{"id":1173,"date":"2025-06-10T11:11:21","date_gmt":"2025-06-10T03:11:21","guid":{"rendered":"https:\/\/www.puncturetest.com\/?page_id=1173"},"modified":"2025-07-03T15:42:33","modified_gmt":"2025-07-03T07:42:33","slug":"astm-d5748","status":"publish","type":"page","link":"https:\/\/www.puncturetest.com\/pt\/standards\/astm-d5748\/","title":{"rendered":"ASTM D5748"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1173\" class=\"elementor elementor-1173\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" 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<h1 class=\"elementor-heading-title elementor-size-default\"> ASTM D5748<br>Teste de pun\u00e7\u00e3o por protus\u00e3o<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75302b5 elementor-widget elementor-widget-heading\" data-id=\"75302b5\" 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\">Resist\u00eancia \u00e0 perfura\u00e7\u00e3o da pel\u00edcula extens\u00edvel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69f526a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"69f526a\" 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 data-start=\"414\" data-end=\"772\">A ASTM D5748 \u00e9 uma norma crucial para a medi\u00e7\u00e3o da resist\u00eancia \u00e0 perfura\u00e7\u00e3o de pel\u00edculas de pl\u00e1stico, particularmente em aplica\u00e7\u00f5es que envolvam pel\u00edculas extens\u00edveis e embalagens de prote\u00e7\u00e3o. Ao seguir este m\u00e9todo de teste, os fabricantes e os profissionais de controlo de qualidade podem garantir que as pel\u00edculas de pl\u00e1stico cumprem as normas de desempenho e resistem aos desafios do mundo real.<\/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-40a9fe8 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"40a9fe8\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;25&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1173\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"40a9fe8\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Puncture Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tNome\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nome\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_26b0101 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_26b0101\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmpresa\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_26b0101]\" id=\"form-field-field_26b0101\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Empresa\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tCorreio eletr\u00f3nico\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Correio eletr\u00f3nico\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMensagem\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Mensagem\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha elementor-field-group elementor-column elementor-field-group-field_50f0fd6 elementor-col-100\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_50f0fd6\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LcO3HUrAAAAAKhAi3KjswdM4-_7i5zKd1s5FO2N\" data-type=\"v2_checkbox\" data-theme=\"light\" data-size=\"normal\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-25 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Enviar<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3f2b60d e-flex e-con-boxed e-con e-parent\" data-id=\"3f2b60d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c5f6d2 elementor-widget elementor-widget-heading\" data-id=\"7c5f6d2\" 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\">O que \u00e9 a ASTM D5748?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6126588 elementor-widget elementor-widget-text-editor\" data-id=\"6126588\" 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 data-start=\"779\" data-end=\"1196\">ASTM D5748, intitulado <em data-start=\"824\" data-end=\"905\">\"M\u00e9todo de ensaio normalizado para a resist\u00eancia \u00e0 perfura\u00e7\u00e3o por protus\u00e3o de pel\u00edculas extens\u00edveis,\"<\/em> descreve um procedimento para determinar a resist\u00eancia de uma pel\u00edcula de pl\u00e1stico \u00e0 perfura\u00e7\u00e3o. Esta norma \u00e9 particularmente importante para as ind\u00fastrias que utilizam pel\u00edculas extens\u00edveis em <strong data-start=\"1069\" data-end=\"1185\">embalagens, produtos alimentares, m\u00e9dicos, farmac\u00eauticos, adesivos, bebidas, produtos qu\u00edmicos de uso di\u00e1rio, t\u00eaxteis, pl\u00e1sticos, eletr\u00f3nica<\/strong>e muito mais.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a9693b2 e-flex e-con-boxed e-con e-parent\" data-id=\"a9693b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b44c843 elementor-widget elementor-widget-heading\" data-id=\"b44c843\" 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\">Pun\u00e7\u00e3o por Protrus\u00e3o e Resist\u00eancia \u00e0 Pun\u00e7\u00e3o de Filmes Pl\u00e1sticos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-038313d e-grid e-con-full e-con e-child\" data-id=\"038313d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6693a2 elementor-widget elementor-widget-image\" data-id=\"e6693a2\" 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=\"200\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/06\/ASTM-D5748.webp\" class=\"attachment-large size-large wp-image-1176\" alt=\"ASTM D5748\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/06\/ASTM-D5748.webp 600w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/06\/ASTM-D5748-300x100.webp 300w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/06\/ASTM-D5748-18x6.webp 18w\" 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-beb1dd0 elementor-widget elementor-widget-text-editor\" data-id=\"beb1dd0\" 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 data-start=\"1203\" data-end=\"1608\">A resist\u00eancia \u00e0 perfura\u00e7\u00e3o reflecte a capacidade de absor\u00e7\u00e3o de energia das pel\u00edculas de pl\u00e1stico quando confrontadas com objectos afiados ou sali\u00eancias. Em muitas aplica\u00e7\u00f5es industriais, as pel\u00edculas de pl\u00e1stico t\u00eam de proteger o conte\u00fado durante o manuseamento e o armazenamento. A norma ASTM D5748 garante que as pel\u00edculas oferecem uma prote\u00e7\u00e3o fi\u00e1vel contra a perfura\u00e7\u00e3o, que \u00e9 <strong data-start=\"1561\" data-end=\"1607\">fundamental para manter a integridade do produto<\/strong>.<\/p><p data-start=\"1610\" data-end=\"1874\">Por exemplo, durante o transporte ou o armazenamento, as pel\u00edculas podem enfrentar tens\u00f5es biaxiais semelhantes \u00e0s recriadas neste ensaio. Apesar de as condi\u00e7\u00f5es exactas no terreno poderem variar, este ensaio fornece uma <strong data-start=\"1799\" data-end=\"1838\">quadro coerente e compar\u00e1vel<\/strong> para avaliar a resist\u00eancia \u00e0 perfura\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6df764 e-flex e-con-boxed e-con e-parent\" data-id=\"a6df764\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e5f91e3 e-con-full e-flex e-con e-child\" data-id=\"e5f91e3\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-40d8734 e-con-full e-flex e-con e-child\" data-id=\"40d8734\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15bd215 elementor-widget elementor-widget-heading\" data-id=\"15bd215\" 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\">Equipamento e configura\u00e7\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44c6d75 elementor-widget elementor-widget-text-editor\" data-id=\"44c6d75\" 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 data-start=\"1881\" data-end=\"2218\">Para efetuar o teste ASTM D5748, \u00e9 necess\u00e1rio equipamento especializado. O site Puncturetest.com\u00a0<a href=\"https:\/\/www.puncturetest.com\/pt\/protrusion-puncture-resistance-tester\/\"><strong data-start=\"1992\" data-end=\"2029\">Verificador de perfura\u00e7\u00f5es por sali\u00eancia<\/strong><\/a> \u00e9 altamente recomendado pela sua <strong data-start=\"2060\" data-end=\"2102\">precis\u00e3o, fiabilidade e conformidade<\/strong> com os requisitos da norma ASTM D5748. Este aparelho de teste garante uma medi\u00e7\u00e3o exacta da energia de perfura\u00e7\u00e3o e da dist\u00e2ncia de penetra\u00e7\u00e3o.<\/p><p data-start=\"2220\" data-end=\"2258\"><strong data-start=\"2220\" data-end=\"2256\">Principais etapas para configura\u00e7\u00e3o e teste:<\/strong><\/p><ul><li data-start=\"2261\" data-end=\"2340\">Instalar o aparelho de sonda e centr\u00e1-lo sobre o dispositivo de fixa\u00e7\u00e3o do esp\u00e9cime.<\/li><li data-start=\"2343\" data-end=\"2441\">Calibrar o equipamento de acordo com as instru\u00e7\u00f5es do fabricante para garantir resultados exactos.<\/li><li data-start=\"2444\" data-end=\"2570\">Preparar pelo menos cinco esp\u00e9cimes para cada amostra, assegurando uma espessura uniforme atrav\u00e9s da medi\u00e7\u00e3o do calibre no centro do esp\u00e9cime.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5f0632 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"e5f0632\" 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\t<a href=\"https:\/\/www.puncturetest.com\/pt\/protrusion-puncture-resistance-tester\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/astm-d5748-protrusion-puncture-resistance-tester-scaled.webp\" title=\"teste de resist\u00eancia \u00e0 perfura\u00e7\u00e3o por protrus\u00e3o astm d5748\" alt=\"teste de resist\u00eancia \u00e0 perfura\u00e7\u00e3o por protrus\u00e3o astm d5748\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b39e9b8 e-flex e-con-boxed e-con e-parent\" data-id=\"b39e9b8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e01a403 elementor-widget elementor-widget-heading\" data-id=\"e01a403\" 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\">Procedimento de ensaio pormenorizado na norma ASTM D5748<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba15752 e-grid e-con-full e-con e-child\" data-id=\"ba15752\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d8eac0 elementor-widget elementor-widget-video\" data-id=\"3d8eac0\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/LIgUEoBGAcs?si=C6KOI-9cguQNvCBc&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&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-bab7d02 elementor-widget elementor-widget-text-editor\" data-id=\"bab7d02\" 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 data-start=\"2577\" data-end=\"2663\">O <a href=\"https:\/\/www.astm.org\/d5748-95r19.html\" target=\"_blank\" rel=\"noopener\">ASTM D5748<\/a> O teste segue uma s\u00e9rie de etapas precisas:<\/p><ol><li data-start=\"2668\" data-end=\"2764\"><strong data-start=\"2668\" data-end=\"2691\">Calibrar o equipamento<\/strong>: Siga o manual do equipamento para garantir defini\u00e7\u00f5es exactas do intervalo de carga.<\/li><li data-start=\"2768\" data-end=\"2886\"><strong data-start=\"2768\" data-end=\"2789\">Preparar esp\u00e9cimes<\/strong>: Utilizar um modelo e um cortador para preparar pelo menos cinco amostras, registando as medidas de espessura.<\/li><li data-start=\"2890\" data-end=\"3014\"><strong data-start=\"2890\" data-end=\"2909\">Fixar e alinhar<\/strong>: Colocar o provete no suporte, ajustando a sonda de modo a que fique o mais pr\u00f3ximo poss\u00edvel sem tocar.<\/li><li data-start=\"3018\" data-end=\"3039\"><strong data-start=\"3018\" data-end=\"3036\">Execu\u00e7\u00e3o de testes<\/strong>:<ul><li data-start=\"3045\" data-end=\"3122\">Ajustar a velocidade da cruzeta do aparelho de teste universal para 10 in.\/min (250 mm\/min).<\/li><li data-start=\"3128\" data-end=\"3199\">Iniciar o teste, certificando-se de que a sonda atravessa completamente a pel\u00edcula.<\/li><li data-start=\"3205\" data-end=\"3273\">Rejeitar os ensaios com orif\u00edcios formados fora do ponto de impacto da sonda.<\/li><\/ul><\/li><li data-start=\"3277\" data-end=\"3427\"><strong data-start=\"3277\" data-end=\"3295\">Registo de dados<\/strong>: Capte a for\u00e7a de pico, a for\u00e7a m\u00e1xima, a energia de rutura e a dist\u00e2ncia de penetra\u00e7\u00e3o da sonda utilizando software integrado ou registadores gr\u00e1ficos.<\/li><li data-start=\"3431\" data-end=\"3540\"><strong data-start=\"3431\" data-end=\"3459\">Repetir para todos os esp\u00e9cimes<\/strong>: Assegurar a repetibilidade e a consist\u00eancia, testando todas as amostras da mesma forma.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6821011 e-con-full e-flex e-con e-parent\" data-id=\"6821011\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-665057d elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"665057d\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/Elastomeric-Closures-Penetrability-Test-1024x256.webp);\" role=\"img\" aria-label=\"Teste de Penetrabilidade de Tampas Elastom\u00e9ricas\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tGaranta a conformidade da sua embalagem hoje mesmo\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tA norma ASTM D5748 fornece uma estrutura fi\u00e1vel para avaliar a resist\u00eancia \u00e0 perfura\u00e7\u00e3o de pel\u00edculas de pl\u00e1stico. Garante que as pel\u00edculas utilizadas em embalagens e aplica\u00e7\u00f5es de prote\u00e7\u00e3o satisfazem as exig\u00eancias dos ambientes reais. Ao integrar a <b>Verificador de perfura\u00e7\u00f5es por sali\u00eancia<\/b> de <b>Puncturetest.com<\/b> no seu processo de controlo de qualidade, pode aumentar a precis\u00e3o dos seus testes e <b>garantir um desempenho fi\u00e1vel<\/b> das suas pel\u00edculas de pl\u00e1stico em v\u00e1rias aplica\u00e7\u00f5es industriais e de consumo.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/www.puncturetest.com\/pt\/contact\/\">\n\t\t\t\t\t\tClique aqui\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM D5748Protrusion Puncture Test Puncture Resistance of Stretch Wrap Film ASTM D5748 is a crucial standard for measuring the puncture resistance of plastic films, particularly in applications involving stretch wrap and protective packaging. By following this test method, manufacturers and quality control professionals can ensure that plastic films meet performance standards and withstand real-world challenges. [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":974,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1173","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM D5748 Protrusion Puncture Resistance of Stretch Wrap Film<\/title>\n<meta name=\"description\" content=\"Learn how to perform ASTM D5748 puncture resistance test on stretch wrap film\/plastic films using the Protrusion Puncture Tester.\" \/>\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.puncturetest.com\/pt\/standards\/astm-d5748\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM 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