{"id":1137,"date":"2025-03-18T05:25:56","date_gmt":"2025-03-18T05:25:56","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?page_id=1137"},"modified":"2025-03-18T05:42:28","modified_gmt":"2025-03-18T05:42:28","slug":"astm-d882","status":"publish","type":"page","link":"https:\/\/www.wrapfilmtest.com\/pt\/astm-d882","title":{"rendered":"ASTM D882"},"content":{"rendered":"<section class=\"section\" id=\"section_2123065288\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-1846730715\">\n\n\n\t<div id=\"col-2147149902\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner text-center dark\"  >\n\t\t\t\n\t\t\t\n\n<h1 class=\"uppercase\" style=\"text-align: left;\">ASTM D882<\/h1>\n<h3 style=\"text-align: left;\">M\u00e9todo de ensaio normalizado para as propriedades de tra\u00e7\u00e3o de folhas finas de pl\u00e1stico<\/h3>\n<div id=\"pdp-description\">\n<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\">\n<p style=\"text-align: left;\" data-pm-slice=\"0 0 &#091;&#093;\">Esta norma fornece dados essenciais sobre a resist\u00eancia \u00e0 tra\u00e7\u00e3o da pel\u00edcula extens\u00edvel, o alongamento e o m\u00f3dulo de elasticidade, que s\u00e3o utilizados para determinar as suas propriedades de tra\u00e7\u00e3o.<\/p>\n<\/div>\n<\/div>\n<a href=\"https:\/\/store.astm.org\/d0882-18.html\" target=\"_blank\" class=\"button primary\" rel=\"noopener\"  >\n    <span>ASTM<\/span>\n  <\/a>\n\n\n<a href=\"https:\/\/www.wrapfilmtest.com\/pt\/contact\/\" target=\"_blank\" class=\"button white is-outline\" rel=\"noopener\"  >\n    <span>Solicite um or\u00e7amento<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1452397467\" class=\"col medium-5 small-12 large-5\"  data-animate=\"flipInY\">\n\t\t\t\t<div class=\"col-inner text-left box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255,255,255);\" >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1949385255\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"300\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882.webp\" class=\"attachment-large size-large\" alt=\"ASTM D882\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882.webp 600w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-18x9.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1949385255 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1452397467 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2123065288 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #004b9a;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row row-full-width\"  id=\"row-1591593607\">\n\n\n\t<div id=\"col-932791508\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-equal\"  id=\"row-170447761\">\n\n\n\t<div id=\"col-798046996\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-4037349644\" class=\"text\">\n\t\t\n\n<h2 style=\"text-align: left;\">\u00c2mbito e objetivo da norma ASTM D882<\/h2>\n\t\t\n<style>\n#text-4037349644 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<p>A norma ASTM D882 \u00e9 um m\u00e9todo de ensaio amplamente reconhecido, utilizado para determinar as propriedades de tra\u00e7\u00e3o de pel\u00edculas de pl\u00e1stico finas e materiais de revestimento. Esta norma fornece dados essenciais sobre as <strong>resist\u00eancia \u00e0 tra\u00e7\u00e3o das pel\u00edculas extens\u00edveis<\/strong>A medi\u00e7\u00e3o da tens\u00e3o, do alongamento e do m\u00f3dulo de elasticidade, que s\u00e3o cruciais para a sele\u00e7\u00e3o de materiais e o controlo de qualidade. Ao medir a forma como o pl\u00e1stico reage \u00e0 tens\u00e3o, os fabricantes podem garantir que os seus produtos cumprem os requisitos de desempenho e durabilidade.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-798046996 > .col-inner {\n  margin: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1072191983\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>O <strong>ensaio de resist\u00eancia \u00e0 tra\u00e7\u00e3o de pl\u00e1stico<\/strong> avalia a capacidade das pel\u00edculas de pl\u00e1stico para resistir a for\u00e7as antes de se romperem. Este ensaio \u00e9 essencial para ind\u00fastrias como <strong>embalagens, produtos alimentares, produtos farmac\u00eauticos e eletr\u00f3nica<\/strong>A norma ASTM D882 ajuda em: - onde os materiais pl\u00e1sticos devem manter a integridade estrutural sob tens\u00e3o. A ASTM D882 ajuda em:<\/p>\n<ul>\n<li>Avalia\u00e7\u00e3o do desempenho dos materiais em diversas aplica\u00e7\u00f5es.<\/li>\n<li>Assegurar a conformidade com as normas do sector.<\/li>\n<li>Melhorar a durabilidade e a fiabilidade dos produtos.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1072191983 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\t<section class=\"section\" id=\"section_2051673241\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-1342593785\">\n\n\n\t<div id=\"col-1121812877\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<h2 style=\"text-align: left;\">Ind\u00fastrias onde \u00e9 aplicado<\/h2>\n<ol>\n<li style=\"text-align: left;\"><strong>Ind\u00fastria de embalagens<\/strong>garante que as pel\u00edculas de pl\u00e1stico utilizadas nas embalagens de produtos alimentares e farmac\u00eauticos cumprem os requisitos de durabilidade.<\/li>\n<li style=\"text-align: left;\"><strong>Fabrico de dispositivos m\u00e9dicos<\/strong>g: avalia a resist\u00eancia do pl\u00e1stico utilizado nas embalagens m\u00e9dicas esterilizadas.<\/li>\n<li style=\"text-align: left;\"><strong>Ind\u00fastria de adesivos e revestimentos<\/strong>avalia o desempenho de pl\u00e1sticos laminados e revestidos.<\/li>\n<li style=\"text-align: left;\"><strong>Eletr\u00f3nica e Controlo de Qualidade<\/strong>garante que as pel\u00edculas de prote\u00e7\u00e3o para a eletr\u00f3nica mant\u00eam a sua integridade \u00e0 tra\u00e7\u00e3o.<\/li>\n<\/ol>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2106914290\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255, 255, 255);\" >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_677389444\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1020\" height=\"723\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-contents.webp\" class=\"attachment-large size-large\" alt=\"Conte\u00fado ASTM D882\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-contents.webp 1077w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-contents-565x400.webp 565w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-contents-768x544.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-contents-18x12.webp 18w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_677389444 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-2106914290 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2051673241 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: rgb(228, 228, 228);\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-1006990385\">\n\n\n\t<div id=\"col-1120895724\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2>Import\u00e2ncia na Ind\u00fastria<\/h2>\n\n\t\t<div class=\"tabbed-content\">\n\t\t\t\n\t\t\t<ul class=\"nav nav-outline nav-normal nav-size-large nav-center active-on-hover\" role=\"tablist\"><li id=\"tab-importance-of-tensile-testing\" class=\"tab active has-icon\" role=\"presentation\"><a href=\"#tab_importance-of-tensile-testing\" role=\"tab\" aria-selected=\"true\" aria-controls=\"tab_importance-of-tensile-testing\"><span>Import\u00e2ncia dos ensaios de tra\u00e7\u00e3o<\/span><\/a><\/li>\n<li id=\"tab-benefits-of-adhering-to-astm-d882\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_benefits-of-adhering-to-astm-d882\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_benefits-of-adhering-to-astm-d882\"><span>Vantagens de aderir \u00e0 norma ASTM D882<\/span><\/a><\/li><\/ul><div class=\"tab-panels\"><div id=\"tab_importance-of-tensile-testing\" class=\"panel active entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-importance-of-tensile-testing\">\n\n<ol>\n<li>Ajuda a ind\u00fastria de embalagens a selecionar os melhores materiais para pel\u00edculas de revestimento extens\u00edvel.<\/li>\n<li>Assegura a conformidade da ind\u00fastria de fabrico de dispositivos m\u00e9dicos com as normas regulamentares.<\/li>\n<li>Ajuda os fabricantes da ind\u00fastria de adesivos e revestimentos a desenvolver materiais de elevada resist\u00eancia.<\/li>\n<li>Fornece garantia de qualidade \u00e0 ind\u00fastria eletr\u00f3nica para materiais pl\u00e1sticos utilizados no isolamento el\u00e9trico.<\/li>\n<\/ol>\n\n<\/div>\n<div id=\"tab_benefits-of-adhering-to-astm-d882\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-benefits-of-adhering-to-astm-d882\">\n\n<p>O teste de resist\u00eancia \u00e0 tra\u00e7\u00e3o do pl\u00e1stico avalia a capacidade das pel\u00edculas de pl\u00e1stico para suportar for\u00e7as antes de se romperem. Este teste \u00e9 essencial para ind\u00fastrias como a das embalagens, alimentar, farmac\u00eautica e eletr\u00f3nica, onde os materiais pl\u00e1sticos t\u00eam de manter a integridade estrutural sob tens\u00e3o. A ASTM D882 ajuda em:<\/p>\n<ul>\n<li>Avalia\u00e7\u00e3o do desempenho dos materiais em diversas aplica\u00e7\u00f5es.<\/li>\n<li>Assegurar a conformidade com as normas do sector.<\/li>\n<li>Melhorar a durabilidade e a fiabilidade dos produtos.<\/li>\n<\/ul>\n\n<\/div><\/div><\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-583100931\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_92021164\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"500\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-plastic-tensile-strength-testing-machine.webp\" class=\"attachment-large size-large\" alt=\"M\u00e1quina de ensaio de resist\u00eancia \u00e0 tra\u00e7\u00e3o para pl\u00e1stico ASTM D882\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-plastic-tensile-strength-testing-machine.webp 600w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-plastic-tensile-strength-testing-machine-480x400.webp 480w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/ASTM-D882-plastic-tensile-strength-testing-machine-14x12.webp 14w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_92021164 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1367927068\">\n\n\n\t<div id=\"col-2060033217\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-width:1px 1px 1px 1px;\">\n\t<\/div>\n\t\t\t\n\n<h2>Prepara\u00e7\u00e3o para o teste<\/h2>\n\n\t\t<div class=\"tabbed-content\">\n\t\t\t\n\t\t\t<ul class=\"nav nav-outline nav-normal nav-size-xlarge nav-center active-on-hover\" role=\"tablist\"><li id=\"tab-scope\" class=\"tab active has-icon\" role=\"presentation\"><a href=\"#tab_scope\" role=\"tab\" aria-selected=\"true\" aria-controls=\"tab_scope\"><span>Escopo<\/span><\/a><\/li>\n<li id=\"tab-testing-items\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_testing-items\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_testing-items\"><span>Itens de teste<\/span><\/a><\/li>\n<li id=\"tab-equipment\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_equipment\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_equipment\"><span>Equipamento<\/span><\/a><\/li>\n<li id=\"tab-sample-preparation\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_sample-preparation\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_sample-preparation\"><span>Prepara\u00e7\u00e3o da amostra<\/span><\/a><\/li>\n<li id=\"tab-testing-process\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_testing-process\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_testing-process\"><span>Processo de teste<\/span><\/a><\/li>\n<li id=\"tab-speed-of-testing\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_speed-of-testing\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_speed-of-testing\"><span>Velocidade dos testes<\/span><\/a><\/li><\/ul><div class=\"tab-panels\"><div id=\"tab_scope\" class=\"panel active entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-scope\">\n\n<p>Uma amostra de sec\u00e7\u00e3o transversal uniforme \u00e9 submetida a ensaios de tra\u00e7\u00e3o utilizando uma m\u00e1quina de ensaios mec\u00e2nicos, onde a for\u00e7a e a extens\u00e3o s\u00e3o registadas. A separa\u00e7\u00e3o das garras e a velocidade do teste s\u00e3o ajustadas com base no alongamento do material e nos objectivos do teste. O teste determina propriedades como a tens\u00e3o de tra\u00e7\u00e3o, o alongamento e o m\u00f3dulo.<\/p>\n\n<\/div>\n<div id=\"tab_testing-items\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-testing-items\">\n\n<h3>Resist\u00eancia \u00e0 tra\u00e7\u00e3o da pel\u00edcula extens\u00edvel<\/h3>\n<ul>\n<li>A tens\u00e3o m\u00e1xima que um material pl\u00e1stico pode suportar antes de se partir.<\/li>\n<li>Uma maior resist\u00eancia \u00e0 tra\u00e7\u00e3o indica uma maior resist\u00eancia ao estiramento e \u00e0 deforma\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Filme estir\u00e1vel Alongamento na rutura<\/h3>\n<ul>\n<li>Mede a extens\u00e3o de uma pel\u00edcula de pl\u00e1stico antes de falhar.<\/li>\n<li>Essencial para pel\u00edculas de pel\u00edcula extens\u00edvel, que necessitam de um elevado alongamento para uma embalagem segura.<\/li>\n<\/ul>\n<h3>M\u00f3dulo de elasticidade da pel\u00edcula extens\u00edvel<\/h3>\n<ul>\n<li>Indica a rigidez do material ou a sua resist\u00eancia \u00e0 deforma\u00e7\u00e3o.<\/li>\n<li>Valores mais elevados sugerem um pl\u00e1stico mais r\u00edgido.<\/li>\n<\/ul>\n\n<\/div>\n<div id=\"tab_equipment\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-equipment\">\n\n<p data-start=\"0\" data-end=\"116\">O equipamento de tra\u00e7\u00e3o \u00e9 constitu\u00eddo por um <strong data-start=\"28\" data-end=\"83\">m\u00e1quina de ensaio de velocidade constante de movimento da cruzeta<\/strong> com os seguintes componentes:<\/p>\n<ul data-start=\"118\" data-end=\"421\" data-is-last-node=\"\" data-is-only-node=\"\">\n<li data-start=\"118\" data-end=\"178\"><strong data-start=\"120\" data-end=\"136\">Membro fixo<\/strong>: Segura um punho e mant\u00e9m-se im\u00f3vel.<\/li>\n<li data-start=\"179\" data-end=\"250\"><strong data-start=\"181\" data-end=\"199\">Membro m\u00f3vel<\/strong>: Segura o segundo punho e move-se durante o teste.<\/li>\n<li data-start=\"251\" data-end=\"421\" data-is-last-node=\"\"><strong data-start=\"253\" data-end=\"262\">Punhos<\/strong>: Fixar o provete de ensaio entre os elementos fixos e m\u00f3veis. Podem ser fixos ou auto-alinhados, mas devem minimizar o deslizamento e a distribui\u00e7\u00e3o desigual das tens\u00f5es.<\/li>\n<\/ul>\n\n<\/div>\n<div id=\"tab_sample-preparation\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-sample-preparation\">\n\n<ul>\n<li>Os esp\u00e9cimes devem ser cortados em tiras de <strong>largura e espessura uniformes<\/strong>, normalmente entre <strong>5,0 mm e 25,4 mm<\/strong> largo.<\/li>\n<li>O material deve estar isento de <strong>cortes e rasg\u00f5es<\/strong>pois podem levar a uma avaria prematura.<\/li>\n<li>Para materiais anisotr\u00f3picos, os esp\u00e9cimes devem ser testados em <strong>orienta\u00e7\u00f5es paralelas e perpendiculares<\/strong> para o eixo principal.<\/li>\n<\/ul>\n\n<\/div>\n<div id=\"tab_testing-process\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-testing-process\">\n\n<ol>\n<li>O provete \u00e9 fixado nas garras de um <strong>m\u00e1quina de ensaios mec\u00e2nicos<\/strong>.<\/li>\n<li>A m\u00e1quina aplica uma for\u00e7a de tra\u00e7\u00e3o a um n\u00edvel controlado <strong>taxa de separa\u00e7\u00e3o das garras<\/strong>.<\/li>\n<li>Os dados relativos \u00e0 for\u00e7a e ao alongamento s\u00e3o registados at\u00e9 \u00e0 falha do esp\u00e9cime.<\/li>\n<li><strong>Tens\u00e3o de tra\u00e7\u00e3o, alongamento e m\u00f3dulo de elasticidade<\/strong> s\u00e3o calculados.<\/li>\n<\/ol>\n\n<\/div>\n<div id=\"tab_speed-of-testing\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-speed-of-testing\">\n\n<ul>\n<li>A taxa de testes deve ser mantida dentro de <strong>5% da velocidade definida<\/strong>.<\/li>\n<li>A taxa de deforma\u00e7\u00e3o \u00e9 determinada com base na <strong>separa\u00e7\u00e3o inicial das garras e tipo de material<\/strong>.<\/li>\n<li>Se forem necess\u00e1rios valores de m\u00f3dulo, devem ser utilizados esp\u00e9cimes separados.<\/li>\n<\/ul>\n\n<\/div><\/div><\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\t<section class=\"section\" id=\"section_1745987083\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-1879498485\">\n\n\n\t<div id=\"col-1060001996\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255, 255, 255);\" >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_102437441\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/astm-d882-plastic-tensile-strength-test.webp\" class=\"attachment-large size-large\" alt=\"teste de resist\u00eancia \u00e0 tra\u00e7\u00e3o de pl\u00e1stico astm d882\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/astm-d882-plastic-tensile-strength-test.webp 600w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/03\/astm-d882-plastic-tensile-strength-test-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_102437441 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1060001996 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2116090693\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<h2>Equipamento de teste necess\u00e1rio<\/h2>\n<h3>Testador de tra\u00e7\u00e3o e alongamento TST-01<\/h3>\n<p>O TST-01 \u00e9 um aparelho de teste de pel\u00edcula aderente especializado, especialmente concebido para efetuar testes ASTM D882.\u00a0<\/p>\n<a href=\"https:\/\/www.wrapfilmtest.com\/pt\/tensile-and-elongation-tester\/\" target=\"_blank\" class=\"button primary\" rel=\"noopener\"  >\n    <span>Mais sobre o TST-01<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1745987083 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #e4e4e4;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_1716702664\">\n\t\t<div class=\"bg section-bg fill bg-fill\" >\n\n\t\t\t\n\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-423766672\">\n\n\n\t<div id=\"col-1264350075\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<p>\u00a0<\/p>\n<h2><span style=\"color: #ffffff;\">Pedir um or\u00e7amento para ASTM D882 test<\/span><\/h2>\n<p><span style=\"color: #ffffff;\">Obtenha um or\u00e7amento detalhado para testes de resist\u00eancia \u00e0 tra\u00e7\u00e3o de pel\u00edculas extens\u00edveis para garantir que as suas pel\u00edculas extens\u00edveis cumprem as normas da ind\u00fastria. Contacte-nos hoje para discutir os seus requisitos e receber informa\u00e7\u00f5es sobre pre\u00e7os.<\/span><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1264842218\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255, 255, 255);\" >\n\t\t\t\n\t\t\t\n\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f9-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"9\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/1137#wpcf7-f9-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formul\u00e1rio de contato\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/pages\/1137#wpcf7-f9-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"9\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.4\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f9-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/div>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"Name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Nome*\" value=\"\" type=\"text\" name=\"Name\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"Company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Empresa\" value=\"\" type=\"text\" name=\"Company\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"WhatsApp\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"O que voc\u00ea acha do WhatsApp?\" value=\"\" type=\"text\" name=\"WhatsApp\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"E-mail*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"text-990\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Assunto\" value=\"\" type=\"text\" name=\"text-990\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"textarea-87\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Mensagem*\" name=\"textarea-87\"><\/textarea><\/span><br \/>\n<input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n<\/div>\n\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1264842218 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1716702664 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #004b99;\n}\n#section_1716702664 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_1716702664 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/How-the-Peel-Cling-Test-Done.webp);\n}\n#section_1716702664 .section-bg {\n  background-position: 68% 20%;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-1137","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM D882 - Wrap Film Test<\/title>\n<meta name=\"description\" content=\"ASTM D882 is a standard test for measuring plastic tensile strength. Discover test methods, importance, and applications in stretch wrap film quality control.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wrapfilmtest.com\/pt\/astm-d882\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ensure Quality with ASTM D882 Plastic Tensile Strength Testing\" \/>\n<meta property=\"og:description\" content=\"ASTM D882 is a standard test for measuring plastic tensile strength. 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