{"id":6962,"date":"2023-12-12T16:27:59","date_gmt":"2023-12-12T16:27:59","guid":{"rendered":"http:\/\/boyanmfg.com\/?p=6962"},"modified":"2025-06-08T16:16:14","modified_gmt":"2025-06-08T16:16:14","slug":"melting-point-of-plastics-guide","status":"publish","type":"post","link":"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/","title":{"rendered":"Ponto de fus\u00e3o dos pl\u00e1sticos: Perspectivas de fabrico e aplica\u00e7\u00e3o"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6962\" class=\"elementor elementor-6962\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-689e848 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"689e848\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-70e3784\" data-id=\"70e3784\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-08f440e elementor-widget elementor-widget-heading\" data-id=\"08f440e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Understanding_the_Melting_Point_of_Plastics\" >Compreender o ponto de fus\u00e3o dos pl\u00e1sticos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Melting_Characteristics_of_Plastics\" >Carater\u00edsticas de fus\u00e3o dos pl\u00e1sticos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#The_Three_States_and_Four_Key_Temperatures_of_Plastics_During_Heating\" >Os tr\u00eas estados e as quatro temperaturas principais dos pl\u00e1sticos durante o aquecimento<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#The_Glassy_State\" >O estado v\u00edtreo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Glass_Transition_Temperature_Tg_and_High-Elastic_Rubbery_State\" >Temperatura de transi\u00e7\u00e3o v\u00edtrea (Tg) e estado altamente el\u00e1stico (borracha)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Flow_Temperature_Tf_and_Viscous_Flow_State\" >Temperatura do fluxo (Tf) e estado do fluxo viscoso<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Decomposition_Temperature_Td\" >Temperatura de decomposi\u00e7\u00e3o (Td)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Tip_The_Melting_Temperature_Tm_Also_Known_as_Flow_Temperature_Tf\" >Sugest\u00e3o: A temperatura de fus\u00e3o (Tm), tamb\u00e9m conhecida como temperatura de fluxo (Tf)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Melting_Temperatures_of_Common_Plastics\" >Temperaturas de fus\u00e3o de pl\u00e1sticos comuns<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#Conclusion\" >Conclus\u00e3o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/#We_are_experts_in_plastic_injection_molding_Contact_us_now_and_get_a_quick_quote\" >Somos especialistas em moldagem por inje\u00e7\u00e3o de pl\u00e1stico. Contacte-nos agora e obtenha um or\u00e7amento r\u00e1pido!<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Understanding_the_Melting_Point_of_Plastics\"><\/span>Compreender o ponto de fus\u00e3o dos pl\u00e1sticos<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33b5d41 elementor-widget elementor-widget-text-editor\" data-id=\"33b5d41\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O ponto de fus\u00e3o dos pl\u00e1sticos refere-se ao intervalo de temperatura no qual os pl\u00e1sticos transitam <strong>de um estado s\u00f3lido para um estado l\u00edquido fluido.<\/strong> Neste ponto, os pl\u00e1sticos amolecem e tornam-se male\u00e1veis, tornando-os adequados para v\u00e1rios processos de moldagem e conforma\u00e7\u00e3o.<\/p><h4>Termopl\u00e1sticos vs. Termoendurec\u00edveis<\/h4><p style=\"padding-left: 40px;\">Os pl\u00e1sticos podem ser categorizados em dois tipos principais: <strong>termopl\u00e1sticos <\/strong>e <strong>termoendurec\u00edveis<\/strong>.<\/p><p style=\"padding-left: 40px;\"><strong>Termopl\u00e1sticos<\/strong> amolecem com o aquecimento e endurecem com o arrefecimento, um processo revers\u00edvel que permite repetidos ciclos de aquecimento e arrefecimento sem alterar as propriedades do material.<\/p><p style=\"padding-left: 40px;\"><strong>Termoendurec\u00edveis<\/strong>, por outro lado, sofrem uma rea\u00e7\u00e3o qu\u00edmica no aquecimento inicial, resultando numa estrutura de rede permanente e n\u00e3o fus\u00edvel. Mesmo com aquecimento subsequente, n\u00e3o amolecem.<\/p><p>Assim, nas nossas discuss\u00f5es subsequentes sobre pontos de fus\u00e3o, os pl\u00e1sticos que mencionamos ser\u00e3o todos termopl\u00e1sticos.<\/p><h4>Importante para moldagem por inje\u00e7\u00e3o, extrus\u00e3o e forma\u00e7\u00e3o<\/h4><p>O processo de amolecimento e fus\u00e3o de pl\u00e1sticos \u00e9 crucial no processamento de pl\u00e1sticos.<\/p><ul><li>Durante <strong>moldagem por inje\u00e7\u00e3o<\/strong>, O controlo preciso da temperatura de fus\u00e3o garante que o pl\u00e1stico ocupa totalmente o molde e atinge a forma desejada.<\/li><li>O <strong>extrus\u00e3o<\/strong> tira partido da fluidez dos pl\u00e1sticos aquecidos para produzir tubos e perfis utilizando moldes espec\u00edficos.<\/li><li>O <strong>forma\u00e7\u00e3o de pel\u00edculas ou folhas<\/strong> tamb\u00e9m depende da capacidade do pl\u00e1stico de se deformar plasticamente \u00e0s temperaturas adequadas.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d4488a elementor-widget elementor-widget-image\" data-id=\"0d4488a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/plastic-film-forming-1.jpg\" class=\"attachment-large size-large wp-image-6977\" alt=\"ilustra\u00e7\u00e3o de forma\u00e7\u00e3o de pel\u00edcula pl\u00e1stica\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/plastic-film-forming-1.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/plastic-film-forming-1-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6eec371 elementor-widget elementor-widget-text-editor\" data-id=\"6eec371\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Por conseguinte, para os designers e transformadores, compreender a temperatura de trabalho e a temperatura ideal de processamento dos pl\u00e1sticos \u00e9 vital para controlar a qualidade do produto e cumprir os requisitos da aplica\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0eabd02 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0eabd02\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f98379c\" data-id=\"f98379c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc6aa41 elementor-widget elementor-widget-heading\" data-id=\"fc6aa41\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Melting_Characteristics_of_Plastics\"><\/span>\nCarater\u00edsticas de fus\u00e3o dos pl\u00e1sticos<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91c9632 elementor-widget elementor-widget-text-editor\" data-id=\"91c9632\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Materiais cristalinos vs. materiais amorfos<\/h4><p style=\"padding-left: 40px;\">Os materiais na natureza dividem-se em<strong> cristalino <\/strong>e <strong>amorfo<\/strong>.<\/p><p style=\"padding-left: 40px;\">Os materiais cristalinos t\u00eam mol\u00e9culas ou \u00e1tomos ordenadamente dispostos, possuindo pontos de fus\u00e3o fixos. Por exemplo, a \u00e1gua funde a 0\u00b0C, o sal (NaCl) a 801\u00b0C e o estanho a 231,9\u00b0C.<\/p><p style=\"padding-left: 40px;\">Por outro lado, os materiais amorfos, incluindo o vidro, a borracha, os pl\u00e1sticos, o asfalto, a colof\u00f3nia e a parafina, t\u00eam mol\u00e9culas ou \u00e1tomos dispostos de forma desordenada e n\u00e3o t\u00eam um ponto de fus\u00e3o fixo. Quando aquecidos, normalmente amolecem (estado de borracha) antes de se liquefazerem (estado de fluxo viscoso), abrangendo uma determinada gama de temperaturas em vez de fundirem num ponto espec\u00edfico.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75fda53 elementor-widget elementor-widget-text-editor\" data-id=\"75fda53\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Tipos de pl\u00e1sticos: Amorfo e Cristalino<\/h4><p><strong>Pl\u00e1sticos Amorfos<\/strong>:<\/p><p style=\"padding-left: 40px;\">Em condi\u00e7\u00f5es t\u00edpicas de processamento, estes pl\u00e1sticos n\u00e3o possuem regi\u00f5es cristalinas e s\u00e3o inteiramente amorfos. Exemplos incluem <strong>policarbonato, ABS, PMMA, ASA, PPSU<\/strong>, etc. O seu comportamento de fus\u00e3o est\u00e1 alinhado com o dos materiais amorfos t\u00edpicos.<\/p><p><strong>Pl\u00e1sticos Cristalinos<\/strong>:<\/p><p style=\"padding-left: 40px;\">Muitos pl\u00e1sticos tendem a cristalizar \u00e0 medida que arrefecem e solidificam, como <strong>polietileno (PE), polipropileno (PP), polioximetileno (POM), poliamida (PA6 e PA66), PET e PBT.<\/strong><\/p><p style=\"padding-left: 40px;\">No entanto, cristalizam apenas em certas regi\u00f5es, com materiais apresentando uma cristalinidade <strong>superior a 80%<\/strong> classificados como <strong>pl\u00e1sticos cristalinos<\/strong> e os restantes como <strong>semicristalino<\/strong>.<\/p><p style=\"padding-left: 40px;\">O grau de cristalinidade \u00e9 grandemente influenciado pelo processo de arrefecimento; o arrefecimento lento dentro da gama de temperaturas de cristaliza\u00e7\u00e3o pode aumentar a cristalinidade, enquanto que o arrefecimento r\u00e1pido tem o efeito oposto.<\/p><p style=\"padding-left: 40px;\">Assim, <strong>o processo de fus\u00e3o destes pl\u00e1sticos cristalinos assemelha-se parcialmente ao dos materiais cristalinos, mas tamb\u00e9m incorpora caracter\u00edsticas de materiais amorfos.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0dcce9f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0dcce9f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ed8215 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ed8215\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-010060b\" data-id=\"010060b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce522ed elementor-widget elementor-widget-heading\" data-id=\"ce522ed\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Three_States_and_Four_Key_Temperatures_of_Plastics_During_Heating\"><\/span>Os tr\u00eas estados e as quatro temperaturas principais dos pl\u00e1sticos durante o aquecimento<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0729a70 elementor-widget elementor-widget-text-editor\" data-id=\"0729a70\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Vamos explorar os tr\u00eas estados pelos quais os pl\u00e1sticos passam durante o aquecimento: o\u00a0<strong>estado v\u00edtreo<\/strong>, a <strong>estado de elevada elasticidade (borrachoso)<\/strong>, e a <strong>estado de fluxo viscoso<\/strong>, bem como as quatro temperaturas-chave associadas a eles: <strong>a temperatura de transi\u00e7\u00e3o v\u00edtrea, temperatura de fus\u00e3o, temperatura de fluxo,<\/strong> e<strong> temperatura de decomposi\u00e7\u00e3o.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fdbe7a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fdbe7a4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-96a0165\" data-id=\"96a0165\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-467dc9b elementor-widget elementor-widget-text-editor\" data-id=\"467dc9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"The_Glassy_State\"><\/span>O estado v\u00edtreo<span class=\"ez-toc-section-end\"><\/span><\/h3><p>O primeiro estado \u00e9 o <a href=\"https:\/\/omnexus.specialchem.com\/polymer-properties\/properties\/glass-transition-temperature\" target=\"_blank\" rel=\"noopener\">estado v\u00edtreo<\/a>, onde os pl\u00e1sticos est\u00e3o \u00e0 temperatura ambiente ou baixas temperaturas. Neste estado, o movimento das mol\u00e9culas do pl\u00e1stico \u00e9 grandemente restringido, tornando o material r\u00edgido e quebradi\u00e7o. Isto ocorre porque a temperatura est\u00e1 abaixo da temperatura de transi\u00e7\u00e3o v\u00edtrea (Tg), onde as for\u00e7as intermoleculares s\u00e3o maiores que a energia t\u00e9rmica, impedindo o movimento molecular livre.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dff264 elementor-widget elementor-widget-menu-anchor\" data-id=\"2dff264\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"Tg\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f94750b elementor-widget elementor-widget-text-editor\" data-id=\"f94750b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Glass_Transition_Temperature_Tg_and_High-Elastic_Rubbery_State\"><\/span>Temperatura de transi\u00e7\u00e3o v\u00edtrea (Tg) e estado altamente el\u00e1stico (borracha)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Ocorre uma mudan\u00e7a f\u00edsica significativa quando os pl\u00e1sticos s\u00e3o aquecidos at\u00e9 \u00e0 <strong>temperatura de transi\u00e7\u00e3o v\u00edtrea. Tg<\/strong> marca o in\u00edcio da transi\u00e7\u00e3o de um estado duro e quebradi\u00e7o para um estado mole, com a temperatura exata dependendo do tipo de pl\u00e1stico e da sua estrutura molecular.<\/p><p>Por exemplo, o polioximetileno (POM) tem uma Tg de cerca de 85\u00b0C, enquanto o policarbonato (PC) tem uma Tg mais elevada, normalmente cerca de 145\u00b0C.<\/p><p>Acima de Tg, as cadeias polim\u00e9ricas ganham mais energia e come\u00e7am a mover-se mais livremente, mas permanecem num estado desordenado aleat\u00f3rio. \u00c0 medida que a temperatura continua a subir, os pl\u00e1sticos entram no <strong>estado altamente el\u00e1stico, <\/strong>tamb\u00e9m conhecido como o<strong> estado borrachoso<\/strong>. Neste estado, os pl\u00e1sticos apresentam <strong>elasticidade e flexibilidade significativas<\/strong>. O movimento entre as cadeias polim\u00e9ricas aumenta, mas ainda h\u00e1 algum grau de intera\u00e7\u00e3o intermolecular. Os pl\u00e1sticos neste estado podem sofrer deforma\u00e7\u00e3o significativa sem quebrar, <strong>ideal para muitos produtos de borracha e artigos de pl\u00e1stico flex\u00edvel<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87e14f5 elementor-widget elementor-widget-text-editor\" data-id=\"87e14f5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Flow_Temperature_Tf_and_Viscous_Flow_State\"><\/span>Temperatura do fluxo (Tf) e estado do fluxo viscoso<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Finalmente, \u00e0 medida que a temperatura aumenta ainda mais at\u00e9 \u00e0 <strong>temperatura de fluxo (Tf)<\/strong>, os pl\u00e1sticos entram no <strong>estado de fluxo viscoso<\/strong>. Neste estado, os pl\u00e1sticos tornam-se mais fluidos, semelhantes a um l\u00edquido viscoso. No estado de fluxo viscoso, os pl\u00e1sticos podem ser extrudidos, injetados ou comprimidos em formas. Esta \u00e9 a etapa chave do processamento de pl\u00e1sticos, como a moldagem por inje\u00e7\u00e3o que \u00e9 feita neste estado.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-050c67b elementor-widget elementor-widget-video\" data-id=\"050c67b\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/VAdBwbwG1Ww&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5668c4b elementor-widget elementor-widget-text-editor\" data-id=\"5668c4b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Durante o processo de purga do cilindro, o estado fundido do pl\u00e1stico pode ser claramente observado.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbb46f8 elementor-widget elementor-widget-text-editor\" data-id=\"dbb46f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Decomposition_Temperature_Td\"><\/span>Temperatura de decomposi\u00e7\u00e3o (Td)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>A \u00faltima etapa significativa no aquecimento dos pl\u00e1sticos \u00e9 a <strong>temperatura de decomposi\u00e7\u00e3o (Td)<\/strong>. Este \u00e9 o ponto em que os pl\u00e1sticos <strong>come\u00e7am a decompor-se quimicamente<\/strong>, perdendo as suas propriedades f\u00edsicas e qu\u00edmicas originais. Ao atingir ou exceder a temperatura de decomposi\u00e7\u00e3o, os pl\u00e1sticos come\u00e7am a<strong> decomp\u00f5em-se em mol\u00e9culas mais pequenas,<\/strong> potencialmente libertando gases e outros produtos de decomposi\u00e7\u00e3o. Portanto, \u00e9 essencial <strong>evitar ultrapassar a temperatura de decomposi\u00e7\u00e3o<\/strong> durante o processamento para evitar danos ao material e a poss\u00edvel liberta\u00e7\u00e3o de subst\u00e2ncias nocivas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f64fab elementor-widget elementor-widget-image\" data-id=\"7f64fab\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/Glass-Transition-and-Flow-Temperature-Chart.jpg\" class=\"attachment-large size-large wp-image-6981\" alt=\"Gr\u00e1fico de temperatura de transi\u00e7\u00e3o v\u00edtrea e de fluxo\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/Glass-Transition-and-Flow-Temperature-Chart.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/12\/Glass-Transition-and-Flow-Temperature-Chart-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-972c56c elementor-widget elementor-widget-text-editor\" data-id=\"972c56c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nota:<\/p><ul><li><span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">M<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">a<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>: Regi\u00e3o amorfa<\/li><li><span class=\"math math-inline\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">M<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">b<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>: Regi\u00e3o semi-cristalina<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6169759 elementor-widget elementor-widget-text-editor\" data-id=\"6169759\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Tip_The_Melting_Temperature_Tm_Also_Known_as_Flow_Temperature_Tf\"><\/span>Sugest\u00e3o: A temperatura de fus\u00e3o (Tm), tamb\u00e9m conhecida como temperatura de fluxo (Tf)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u00c9 importante notar que a temperatura de fus\u00e3o dos pl\u00e1sticos n\u00e3o \u00e9 um ponto fixo, mas um intervalo. Dentro deste intervalo, o estado f\u00edsico do pl\u00e1stico transita do estado de alta elasticidade para o estado de fluxo viscoso. Por exemplo, o intervalo de temperatura de fus\u00e3o para <a href=\"http:\/\/boyanmfg.com\/pp-injection-molding-guide\/\">Polipropileno (PP)<\/a> \u00e9 de 160\u00b0C a 175\u00b0C, enquanto para o Polietileno (PE), \u00e9 de 125\u00b0C a 137\u00b0C. A largura deste intervalo depende do tipo espec\u00edfico de pl\u00e1stico e da complexidade da sua estrutura molecular.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b6ba19c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b6ba19c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4da8946\" data-id=\"4da8946\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ff67b76 elementor-widget elementor-widget-heading\" data-id=\"ff67b76\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Melting_Temperatures_of_Common_Plastics\"><\/span> Temperaturas de fus\u00e3o de pl\u00e1sticos comuns<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fb6f3a elementor-widget elementor-widget-text-editor\" data-id=\"2fb6f3a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Aqui, list\u00e1mos as temperaturas de fus\u00e3o, as temperaturas de moldagem por inje\u00e7\u00e3o e as temperaturas de decomposi\u00e7\u00e3o de alguns materiais pl\u00e1sticos comuns. \u00c9 importante notar que a temperatura de moldagem por inje\u00e7\u00e3o \u00e9 geralmente superior \u00e0 temperatura de fus\u00e3o, para garantir uma boa fluidez do pl\u00e1stico durante o processamento.<\/p><p>Uma vez que existem muitos tipos de pl\u00e1sticos modificados e as suas propriedades s\u00e3o muito diferentes, n\u00e3o \u00e9 poss\u00edvel listar demasiados materiais nesta tabela. Por exemplo, as caracter\u00edsticas de temperatura do n\u00e1ilon com fibras de vidro adicionadas diferem significativamente das do n\u00e1ilon sem fibras de vidro. Na pr\u00e1tica, \u00e9 f\u00e1cil obter a ficha de propriedades de um material ao adquirir materiais pl\u00e1sticos. Por conseguinte, esta tabela destina-se apenas a <strong>refer\u00eancia aproximada<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08511a8 elementor-widget elementor-widget-text-editor\" data-id=\"08511a8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Temperaturas de fus\u00e3o dos pl\u00e1sticos comuns<\/p><table><thead><tr><th>Nome do material<\/th><th>Temperatura de fus\u00e3o (\u00b0C)<\/th><th>Temperatura de moldagem por inje\u00e7\u00e3o (\u00b0C)<\/th><th>Temperatura de decomposi\u00e7\u00e3o (\u00b0C)<\/th><\/tr><\/thead><tbody><tr><td><a href=\"http:\/\/boyanmfg.com\/abs-injection-molding-guide\/\">ABS<\/a><\/td><td>170-190<\/td><td>200-240<\/td><td>280<\/td><\/tr><tr><td><a href=\"http:\/\/boyanmfg.com\/pp-injection-molding-guide\/\">PP (Polipropileno)<\/a><\/td><td>160-175<\/td><td>190-290<\/td><td>320<\/td><\/tr><tr><td>POM (polioximetileno)<\/td><td>165-175<\/td><td>190-230<\/td><td>280<\/td><\/tr><tr><td>PC (Policarbonato)<\/td><td>225-250<\/td><td>270-320<\/td><td>360<\/td><\/tr><tr><td>PBT<\/td><td>225-235<\/td><td>220-270<\/td><td>280<\/td><\/tr><tr><td><a href=\"http:\/\/boyanmfg.com\/pa6-and-pa66-nylon-injection-molding\/\">PA6 (Nylon 6)<\/a><\/td><td>215-221<\/td><td>260-300<\/td><td>320<\/td><\/tr><tr><td>PA66 (Nylon 66)<\/td><td>260-265<\/td><td>270-310<\/td><td>360<\/td><\/tr><tr><td>PMMA (Acr\u00edlico)<\/td><td>160-180<\/td><td>220-250<\/td><td>270<\/td><\/tr><tr><td>LDPE (Polietileno de Baixa Densidade)<\/td><td>110-130<\/td><td>150-230<\/td><td>300<\/td><\/tr><tr><td>HDPE (Polietileno de Alta Densidade)<\/td><td>125-137<\/td><td>160-280<\/td><td>300<\/td><\/tr><tr><td>PEEK (Poli\u00e9ter \u00c9ter Cetona)<\/td><td>315-353<\/td><td>360-400<\/td><td>520<\/td><\/tr><\/tbody><\/table><p>Esta tabela fornece uma vis\u00e3o geral das temperaturas de fus\u00e3o, moldagem por inje\u00e7\u00e3o e decomposi\u00e7\u00e3o de v\u00e1rios pl\u00e1sticos comuns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0f3a07d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0f3a07d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-96bf6e0\" data-id=\"96bf6e0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-efd7061 elementor-widget elementor-widget-heading\" data-id=\"efd7061\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10fc8e4 elementor-widget elementor-widget-text-editor\" data-id=\"10fc8e4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Em conclus\u00e3o, a compreens\u00e3o das temperaturas de fus\u00e3o, moldagem por inje\u00e7\u00e3o e decomposi\u00e7\u00e3o dos pl\u00e1sticos \u00e9 essencial no dom\u00ednio da ci\u00eancia dos materiais e do fabrico. Estas temperaturas n\u00e3o s\u00f3 orientam o processamento e a aplica\u00e7\u00e3o dos pl\u00e1sticos, como tamb\u00e9m garantem a seguran\u00e7a e a qualidade dos produtos finais.<\/p><p>\u00c0 medida que a ind\u00fastria evolui com novos materiais e tecnologias, a investiga\u00e7\u00e3o e o conhecimento cont\u00ednuos nesta \u00e1rea continuam a ser cruciais. Seja em aplica\u00e7\u00f5es industriais ou na utiliza\u00e7\u00e3o quotidiana, a natureza vers\u00e1til dos pl\u00e1sticos continua a moldar o mundo moderno.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-658f820 elementor-widget elementor-widget-spacer\" data-id=\"658f820\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d1fb349 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d1fb349\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-edce4a0\" data-id=\"edce4a0\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-12bc725 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12bc725\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-82754af\" data-id=\"82754af\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d1363e8 elementor-widget elementor-widget-image\" data-id=\"d1363e8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"400\" height=\"300\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/11\/TPU-overmolded-triangle-box.png\" class=\"attachment-large size-large wp-image-6453\" alt=\"Caixa triangular sobremoldada em TPU\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/11\/TPU-overmolded-triangle-box.png 400w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2023\/11\/TPU-overmolded-triangle-box-300x225.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-72e6224\" data-id=\"72e6224\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f5035b elementor-widget elementor-widget-heading\" data-id=\"7f5035b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"We_are_experts_in_plastic_injection_molding_Contact_us_now_and_get_a_quick_quote\"><\/span><span>Somos especialistas em moldagem por inje\u00e7\u00e3o de pl\u00e1stico. Contacte-nos agora e obtenha um or\u00e7amento r\u00e1pido!<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-8a879f0\" data-id=\"8a879f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a18d4aa elementor-align-center elementor-mobile-align-justify elementor-widget elementor-widget-button\" data-id=\"a18d4aa\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xl\" href=\"http:\/\/boyanmfg.com\/enquiry-plastic-injection-molding\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Pedir um or\u00e7amento<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Compreender o Ponto de Fus\u00e3o dos Pl\u00e1sticos O ponto de fus\u00e3o dos pl\u00e1sticos refere-se \u00e0 faixa de temperatura na qual os pl\u00e1sticos passam de um estado s\u00f3lido para um estado l\u00edquido fluido. Neste ponto, os pl\u00e1sticos amolecem e tornam-se flex\u00edveis, tornando-os adequados para v\u00e1rios processos de moldagem e conforma\u00e7\u00e3o. Termopl\u00e1sticos vs. Termoendurec\u00edveis Os pl\u00e1sticos podem ser categorizados em dois principais...&nbsp;<a href=\"https:\/\/boyanmfg.com\/pt\/melting-point-of-plastics-guide\/\" rel=\"bookmark\">Ler mais \u00bb<span class=\"screen-reader-text\">Ponto de fus\u00e3o dos pl\u00e1sticos: Perspectivas de fabrico e aplica\u00e7\u00e3o<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":6979,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"on","neve_meta_content_width":90,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[55,72],"tags":[],"class_list":["post-6962","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manufacturing-knowledge","category-plastic-molding"],"acf":[],"_links":{"self":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/posts\/6962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/comments?post=6962"}],"version-history":[{"count":0,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/posts\/6962\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/media\/6979"}],"wp:attachment":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/media?parent=6962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/categories?post=6962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/tags?post=6962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}