{"id":1115,"date":"2025-05-19T16:13:25","date_gmt":"2025-05-19T08:13:25","guid":{"rendered":"https:\/\/www.puncturetest.com\/?page_id=1115"},"modified":"2026-07-06T08:42:41","modified_gmt":"2026-07-06T00:42:41","slug":"astm-d3787","status":"publish","type":"page","link":"https:\/\/www.puncturetest.com\/pt\/standards\/astm-d3787\/","title":{"rendered":"ASTM D3787"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1115\" class=\"elementor elementor-1115\" 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 D3787<br>Teste de resist\u00eancia ao rebentamento de bolas<\/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 ao rebentamento dos t\u00eaxteis<\/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 class=\"\" data-start=\"0\" data-end=\"201\">Saiba como a norma ASTM D3787 orienta o m\u00e9todo de ensaio de rebentamento de esferas para avaliar a resist\u00eancia ao rebentamento de materiais t\u00eaxteis, garantindo precis\u00e3o e controlo de qualidade em aplica\u00e7\u00f5es t\u00eaxteis.<\/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-3908ffb elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"3908ffb\" 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=\"1115\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3908ffb\"\/>\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_v3 elementor-field-group elementor-column elementor-field-group-field_50f0fd6 elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_50f0fd6\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LeLYK0rAAAAAHXMSRlZbLyPH_jDlVvvumr68egi\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text\">\n\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_c8f6bee]\" id=\"form-field-field_c8f6bee\" class=\"elementor-field elementor-size-sm\" style=\"display:none !important;\">\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\">ASTM D3787 - M\u00e9todo de ensaio de rebentamento de esferas para resist\u00eancia ao rebentamento de t\u00eaxteis<\/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 class=\"\" data-start=\"379\" data-end=\"1042\">Os materiais t\u00eaxteis utilizados em aplica\u00e7\u00f5es m\u00e9dicas, de vestu\u00e1rio ou industriais s\u00e3o frequentemente sujeitos a tens\u00f5es extremas durante a utiliza\u00e7\u00e3o. Um par\u00e2metro de qualidade essencial \u00e9 <em data-start=\"586\" data-end=\"605\">for\u00e7a de rebentamento<\/em>que reflecte a capacidade do tecido para resistir \u00e0 press\u00e3o aplicada a partir de um ponto espec\u00edfico. <strong data-start=\"693\" data-end=\"707\">ASTM D3787<\/strong>, uma norma desenvolvida pela ASTM International, fornece uma <strong data-start=\"783\" data-end=\"809\">m\u00e9todo de ensaio de rebentamento de esferas<\/strong> para avaliar o <strong data-start=\"829\" data-end=\"852\">for\u00e7a de rebentamento da bola<\/strong> de tecidos, malhas ou tecidos n\u00e3o tecidos. Este artigo explora o funcionamento da norma ASTM D3787, o seu significado e a forma como os profissionais de ensaio a podem seguir com exatid\u00e3o para garantir a conformidade e a durabilidade do produto.<\/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-580df19 e-flex e-con-boxed e-con e-parent\" data-id=\"580df19\" 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-8262e73 elementor-widget elementor-widget-heading\" data-id=\"8262e73\" 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 D3787?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c71437 elementor-widget elementor-widget-text-editor\" data-id=\"7c71437\" 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 class=\"\" data-start=\"1090\" data-end=\"1541\"><strong data-start=\"1090\" data-end=\"1104\">ASTM D3787<\/strong> \u00e9 o <em data-start=\"1112\" data-end=\"1216\">M\u00e9todo de ensaio normalizado para a resist\u00eancia ao rebentamento de t\u00eaxteis - Ensaio de rebentamento de esferas com taxa de desloca\u00e7\u00e3o constante (CRT)<\/em>. Foi especificamente concebido para tecidos que apresentam um elevado alongamento, tais como materiais tricotados ou el\u00e1sticos. Este m\u00e9todo utiliza um <strong data-start=\"1348\" data-end=\"1370\">Ensaio de tra\u00e7\u00e3o CRT<\/strong> equipado com um <strong data-start=\"1387\" data-end=\"1412\">acess\u00f3rio para rebentar bolas<\/strong>permitindo-lhe simular condi\u00e7\u00f5es de tens\u00e3o multidireccionais, pressionando uma esfera de a\u00e7o esf\u00e9rica contra o tecido at\u00e9 \u00e0 rutura.<\/p><p class=\"\" data-start=\"1543\" data-end=\"1784\">Este m\u00e9todo \u00e9 normalmente utilizado em todos os sectores - desde <em data-start=\"1595\" data-end=\"1612\">dispositivos m\u00e9dicos<\/em> e <em data-start=\"1617\" data-end=\"1626\">vestu\u00e1rio<\/em> para <em data-start=\"1630\" data-end=\"1650\">t\u00eaxteis t\u00e9cnicos<\/em>-para avaliar a qualidade do produto, especialmente quando se espera que o produto resista \u00e0 infla\u00e7\u00e3o, \u00e0 carga pontual ou ao estiramento durante a utiliza\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\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\">Procedimento de ensaio de rebentamento de esferas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e38b53 elementor-widget elementor-widget-text-editor\" data-id=\"3e38b53\" 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 class=\"\" data-start=\"1829\" data-end=\"1929\">O <strong data-start=\"1833\" data-end=\"1859\">m\u00e9todo de ensaio de rebentamento de esferas<\/strong> de acordo com a norma ASTM D3787 envolve um processo de ensaio espec\u00edfico e controlado:<\/p>\t\t\t\t\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<div class=\"elementor-element elementor-element-ca884b4 e-con-full e-flex e-con e-child\" data-id=\"ca884b4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d4bee6 elementor-widget elementor-widget-heading\" data-id=\"7d4bee6\" 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\">1. Prepara\u00e7\u00e3o do esp\u00e9cime:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f0e94c elementor-widget elementor-widget-text-editor\" data-id=\"6f0e94c\" 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 class=\"\" data-start=\"1933\" data-end=\"2209\">Preparar amostras t\u00eaxteis circulares ou quadradas, normalmente com 125 mm (5 pol.) de di\u00e2metro ou comprimento, assegurando que n\u00e3o existem duas amostras com os mesmos fios de teia e de enchimento. Evitar que os esp\u00e9cimes sejam cortados nas extremidades, afastados da ourela, para eliminar a distor\u00e7\u00e3o das extremidades refor\u00e7adas.<\/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-259e565 elementor-widget elementor-widget-heading\" data-id=\"259e565\" 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\">2. Fixa\u00e7\u00e3o da amostra:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ff4ad7 elementor-widget elementor-widget-text-editor\" data-id=\"0ff4ad7\" 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>A amostra \u00e9 fixada num <strong data-start=\"2269\" data-end=\"2283\">anel de aperto<\/strong> sem tens\u00e3o. A fixa\u00e7\u00e3o garante que o tecido \u00e9 mantido firmemente, permitindo o movimento vertical durante o teste.<\/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<div class=\"elementor-element elementor-element-5798a7e e-con-full e-flex e-con e-child\" data-id=\"5798a7e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc5fa31 elementor-widget elementor-widget-heading\" data-id=\"fc5fa31\" 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\">3. Aplicar a carga:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20b8485 elementor-widget elementor-widget-text-editor\" data-id=\"20b8485\" 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 class=\"\" data-start=\"2400\" data-end=\"2676\">A <strong data-start=\"2429\" data-end=\"2452\">esfera de a\u00e7o polido<\/strong> (25,4 mm \u00b1 0,005 mm de di\u00e2metro) \u00e9 montada na pin\u00e7a fixa da m\u00e1quina CRT. O anel de fixa\u00e7\u00e3o move-se a uma velocidade constante de 305 mm\/min \u00b1 13 mm\/min, empurrando o tecido contra a bola at\u00e9 que o tecido se rompa por rebentamento.<\/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-9a9ba5b elementor-widget elementor-widget-heading\" data-id=\"9a9ba5b\" 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\">4. Registar os resultados:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11027ef elementor-widget elementor-widget-text-editor\" data-id=\"11027ef\" 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 class=\"\" data-start=\"2680\" data-end=\"2909\">A for\u00e7a m\u00e1xima exercida antes da rutura \u00e9 registada como <strong data-start=\"2771\" data-end=\"2794\">for\u00e7a de rebentamento da bola<\/strong> da amostra. Normalmente, os resultados s\u00e3o comunicados em libras-for\u00e7a (lbf) ou Newtons (N) com uma precis\u00e3o de 0,1 lbf.<\/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<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93a65ac elementor-widget elementor-widget-text-editor\" data-id=\"93a65ac\" 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 class=\"\" data-start=\"2911\" data-end=\"3084\">Este m\u00e9todo imita melhor as condi\u00e7\u00f5es de tens\u00e3o do mundo real do que os ensaios de tra\u00e7\u00e3o planos, especialmente para t\u00eaxteis utilizados em vestu\u00e1rio ou estofos, onde a deforma\u00e7\u00e3o \u00e9 multidirecional.<\/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-687887c e-flex e-con-boxed e-con e-parent\" data-id=\"687887c\" 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-ebd7702 elementor-widget elementor-widget-heading\" data-id=\"ebd7702\" 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\">Import\u00e2ncia da medi\u00e7\u00e3o da resist\u00eancia ao rebentamento dos t\u00eaxteis<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02249ad elementor-widget elementor-widget-text-editor\" data-id=\"02249ad\" 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 class=\"\" data-start=\"3153\" data-end=\"3232\">O <strong data-start=\"3157\" data-end=\"3189\">resist\u00eancia ao rebentamento dos t\u00eaxteis<\/strong> materiais \u00e9 um atributo cr\u00edtico de qualidade:<\/p><ul><li data-start=\"3236\" data-end=\"3342\"><strong data-start=\"3236\" data-end=\"3259\">Para a seguran\u00e7a do produto:<\/strong> Garante que os tecidos em vestu\u00e1rio de prote\u00e7\u00e3o ou embalagens m\u00e9dicas n\u00e3o falham sob press\u00e3o.<\/li><li data-start=\"3345\" data-end=\"3439\"><strong data-start=\"3345\" data-end=\"3364\">Para maior durabilidade:<\/strong> Ajuda os fabricantes a selecionar o tipo de material adequado para produtos de elevada utiliza\u00e7\u00e3o.<\/li><li data-start=\"3442\" data-end=\"3533\"><strong data-start=\"3442\" data-end=\"3472\">Para conformidade regulamentar:<\/strong> Apoia a garantia de qualidade e os protocolos de testes de aceita\u00e7\u00e3o.<\/li><li data-start=\"3536\" data-end=\"3632\"><strong data-start=\"3536\" data-end=\"3566\">Para a satisfa\u00e7\u00e3o do cliente:<\/strong> Evita defeitos que possam comprometer o desempenho ou a est\u00e9tica.<\/li><\/ul><p class=\"\" data-start=\"3634\" data-end=\"3792\">Ao utilizar a norma ASTM D3787, os fabricantes podem comunicar com confian\u00e7a a integridade dos t\u00eaxteis, em especial quando efectuam envios a granel ou exportam para mercados com normas rigorosas.<\/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-a32f25a e-flex e-con-boxed e-con e-parent\" data-id=\"a32f25a\" 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-c38d309 elementor-widget elementor-widget-heading\" data-id=\"c38d309\" 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\">Como realizar um teste ASTM D3787 exato<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4e0f3b elementor-widget elementor-widget-text-editor\" data-id=\"a4e0f3b\" 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 class=\"\" data-start=\"3847\" data-end=\"3950\">Para seguir corretamente o procedimento ASTM D3787, \u00e9 necess\u00e1rio equipamento especializado e condi\u00e7\u00f5es de teste:<\/p><ol><li data-start=\"3955\" data-end=\"4028\"><strong data-start=\"3955\" data-end=\"3988\">Utilizar um aparelho de teste de tra\u00e7\u00e3o do tipo CRT<\/strong> com um <strong data-start=\"4002\" data-end=\"4027\">acess\u00f3rio para rebentar bolas<\/strong>.<\/li><li data-start=\"4032\" data-end=\"4100\">Assegurar que o <strong data-start=\"4043\" data-end=\"4066\">grampo de esfera e anel<\/strong> respeitar as dimens\u00f5es especificadas pela ASTM.<\/li><li data-start=\"4104\" data-end=\"4196\">Acondicionar todos os esp\u00e9cimes na atmosfera padr\u00e3o (21 \u00b1 1\u00b0C e 65 \u00b1 2% de humidade relativa).<\/li><li data-start=\"4200\" data-end=\"4285\">Tomar uma <strong data-start=\"4207\" data-end=\"4256\">m\u00ednimo de cinco esp\u00e9cimes por amostra de material<\/strong> para fiabilidade estat\u00edstica.<\/li><li data-start=\"4289\" data-end=\"4375\">Comunicar quaisquer anomalias ou rupturas n\u00e3o causadas pela configura\u00e7\u00e3o do ensaio para garantir resultados v\u00e1lidos.<\/li><\/ol><p class=\"\" data-start=\"4377\" data-end=\"4485\">Para obter melhores resultados, trabalhe com equipamento que ofere\u00e7a automa\u00e7\u00e3o, registo de dados e controlos de velocidade program\u00e1veis.<\/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-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-grid e-con-full 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\"><a href=\"https:\/\/www.puncturetest.com\/pt\/tissue-paper-ball-burst-strength-test\/\">Testador de for\u00e7a de rebentamento de bolas<\/a><\/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 class=\"\" data-start=\"4560\" data-end=\"4684\">Puncturetest.com oferece um teste de precis\u00e3o <strong data-start=\"4596\" data-end=\"4626\">Testador de for\u00e7a de rebentamento de bolas<\/strong> totalmente compat\u00edvel com <a href=\"https:\/\/store.astm.org\/d3787-16r20.html\" target=\"_blank\" rel=\"noopener\">ASTM D3787<\/a>. O nosso instrumento garante:<\/p><ul data-start=\"4686\" data-end=\"4946\"><li class=\"\" data-start=\"4686\" data-end=\"4749\"><p class=\"\" data-start=\"4688\" data-end=\"4749\">Elevada precis\u00e3o gra\u00e7as a um conjunto de esferas e an\u00e9is em a\u00e7o certificado.<\/p><\/li><li class=\"\" data-start=\"4750\" data-end=\"4806\"><p class=\"\" data-start=\"4752\" data-end=\"4806\">Fixa\u00e7\u00e3o e carregamento automatizados para resultados consistentes.<\/p><\/li><li class=\"\" data-start=\"4807\" data-end=\"4871\"><p class=\"\" data-start=\"4809\" data-end=\"4871\">Curvas for\u00e7a-deslocamento em tempo real e fun\u00e7\u00f5es de exporta\u00e7\u00e3o de dados.<\/p><\/li><li class=\"\" data-start=\"4872\" data-end=\"4946\"><p class=\"\" data-start=\"4874\" data-end=\"4946\">Defini\u00e7\u00f5es personaliz\u00e1veis para diferentes tipos de t\u00eaxteis e requisitos de teste.<\/p><\/li><\/ul><p class=\"\" data-start=\"4948\" data-end=\"5136\">Apoiado por d\u00e9cadas de experi\u00eancia em <strong data-start=\"4983\" data-end=\"4996\">embalagem<\/strong>, <strong data-start=\"4998\" data-end=\"5009\">m\u00e9dico<\/strong>, <strong data-start=\"5011\" data-end=\"5022\">t\u00eaxtil<\/strong>e <strong data-start=\"5028\" data-end=\"5046\">farmac\u00eautico<\/strong> Puncturetest.com \u00e9 o seu parceiro de confian\u00e7a para solu\u00e7\u00f5es fi\u00e1veis de controlo de qualidade.<\/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<div class=\"elementor-element elementor-element-e5f0632 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\/tissue-paper-ball-burst-strength-test\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-300x300.webp\" class=\"attachment-medium size-medium wp-image-813\" alt=\"Ensaio de penetra\u00e7\u00e3o de agulha ASTM F3014\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-300x300.webp 300w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-150x150.webp 150w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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-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 dos seus tecidos 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\tO <b>ASTM D3787<\/b> desempenha um papel vital na garantia de que os produtos t\u00eaxteis podem suportar a press\u00e3o e funcionar em condi\u00e7\u00f5es reais. Ao seguir a <b>m\u00e9todo de ensaio de rebentamento de esferas<\/b>os profissionais podem obter dados exactos e repet\u00edveis sobre o <b>resist\u00eancia ao rebentamento dos t\u00eaxteis<\/b> materiais, melhorando assim a seguran\u00e7a e a durabilidade.\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 D3787 \u2013 Ensaio de resist\u00eancia \u00e0 ruptura com esfera: Resist\u00eancia \u00e0 ruptura de t\u00eaxteis. Saiba como a norma ASTM D3787 orienta o m\u00e9todo de ensaio de ruptura com esfera para avaliar a resist\u00eancia \u00e0 ruptura de materiais t\u00eaxteis, garantindo precis\u00e3o e controlo de qualidade em aplica\u00e7\u00f5es t\u00eaxteis. ASTM D3787 \u2013 M\u00e9todo de ensaio de ruptura com esfera para determinar a resist\u00eancia \u00e0 ruptura de t\u00eaxteis. Os materiais t\u00eaxteis utilizados na \u00e1rea m\u00e9dica, no vestu\u00e1rio ou na ind\u00fastria [\u2026]<\/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-1115","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 D3787 - Bursting Strength of Textile - Puncture Test<\/title>\n<meta name=\"description\" content=\"ASTM D3787 ball burst test method for evaluating the bursting strength of textile materials, ensuring puncture resistance of textiles.\" \/>\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-d3787\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM D3787 - Bursting Strength of Textile - Puncture Test\" \/>\n<meta property=\"og:description\" content=\"ASTM D3787 ball burst test method for evaluating the bursting strength of textile materials, ensuring puncture resistance of textiles.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.puncturetest.com\/pt\/standards\/astm-d3787\/\" \/>\n<meta property=\"og:site_name\" content=\"Puncture Test\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-06T00:42:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.puncturetest.com\/standards\/astm-d3787\/\",\"url\":\"https:\/\/www.puncturetest.com\/standards\/astm-d3787\/\",\"name\":\"ASTM D3787 - 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