{"id":535,"date":"2025-07-01T08:51:12","date_gmt":"2025-07-01T08:51:12","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=535"},"modified":"2025-07-01T09:09:37","modified_gmt":"2025-07-01T09:09:37","slug":"tappi-t549","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/pt\/tappi-t549","title":{"rendered":"TAPPI T549"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"535\" class=\"elementor elementor-535\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e87c6b2 e-flex e-con-boxed e-con e-parent\" data-id=\"e87c6b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d087c52 e-con-full e-flex e-con e-child\" data-id=\"d087c52\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f31fd elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d9f31fd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" 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.coefficientfriction.com\/wp-content\/uploads\/2025\/07\/TAPPI-T549.webp\" class=\"attachment-large size-large wp-image-540\" alt=\"TAPPI T549\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/07\/TAPPI-T549.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/07\/TAPPI-T549-300x100.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/07\/TAPPI-T549-18x6.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-0e3633c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"0e3633c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" 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\">Coeficientes de atrito est\u00e1tico e cin\u00e9tico do papel de impress\u00e3o e de escrita n\u00e3o revestido, segundo o m\u00e9todo do plano horizontal<\/h2>\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-60fbb6b e-con-full e-flex e-con e-child\" data-id=\"60fbb6b\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a73bac6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"a73bac6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"361\" data-end=\"945\">Na ind\u00fastria do papel e da embalagem, a compreens\u00e3o das intera\u00e7\u00f5es superficiais \u00e9 essencial para garantir um bom desempenho nos processos de impress\u00e3o, convers\u00e3o e manuseamento. <a href=\"https:\/\/www.coefficientfriction.com\/pt\/tappi-t549\"><em data-start=\"587\" data-end=\"599\">TAPPI T549<\/em><\/a> \u00e9 o m\u00e9todo reconhecido para determinar o <strong data-start=\"645\" data-end=\"692\">coeficientes de atrito est\u00e1tico e cin\u00e9tico<\/strong> do papel ao deslizar contra si pr\u00f3prio. Esta norma \u00e9 especialmente importante para <strong data-start=\"773\" data-end=\"791\">papel para impress\u00e3o<\/strong> e <strong data-start=\"796\" data-end=\"816\">escrita n\u00e3o revestida<\/strong> onde quest\u00f5es como a alimenta\u00e7\u00e3o de folhas e a alimenta\u00e7\u00e3o dupla podem afetar significativamente a qualidade do produto e a funcionalidade do equipamento.<\/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-0364755 e-flex e-con-boxed e-con e-parent\" data-id=\"0364755\" 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-f673fbc elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f673fbc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 do teste do coeficiente de atrito no papel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-156f03e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"156f03e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"1170\" data-end=\"1502\"><strong data-start=\"1262\" data-end=\"1295\">Coeficiente de fric\u00e7\u00e3o (COF)<\/strong> \u00e9 uma m\u00e9trica crucial que indica a facilidade com que as folhas de papel deslizam umas sobre as outras. O TAPPI T549 centra-se especificamente na <strong data-start=\"1428\" data-end=\"1455\">m\u00e9todo do plano horizontal<\/strong>O programa de trabalho do projeto, que oferece uma forma quantitativa de avaliar ambos:<\/p><ul><li data-start=\"1506\" data-end=\"1582\"><strong data-start=\"1506\" data-end=\"1540\">Coeficiente de atrito est\u00e1tico<\/strong>For\u00e7a necess\u00e1ria para iniciar um movimento.<\/li><li data-start=\"1585\" data-end=\"1673\"><strong data-start=\"1585\" data-end=\"1613\">Ensaios de fric\u00e7\u00e3o cin\u00e9tica<\/strong>For\u00e7a necess\u00e1ria para manter o movimento a uma velocidade constante.<\/li><\/ul><p data-start=\"1675\" data-end=\"1932\">Estes valores s\u00e3o fundamentais para <strong data-start=\"1704\" data-end=\"1722\">papel para impress\u00e3o<\/strong> e <strong data-start=\"1727\" data-end=\"1747\">escrita n\u00e3o revestida<\/strong> aplica\u00e7\u00f5es, particularmente em prensas de alimenta\u00e7\u00e3o de folhas e fotocopiadoras. Um COF demasiado baixo pode resultar em alimenta\u00e7\u00e3o dupla, enquanto um COF demasiado elevado pode causar encravamentos ou resist\u00eancia nos sistemas de transporte de papel.<\/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-eb10f5e e-flex e-con-boxed e-con e-parent\" data-id=\"eb10f5e\" 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-38e9bd9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"38e9bd9\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 teste: Como efetuar um teste TAPPI T549<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b4a43e8 e-con-full e-flex e-con e-child\" data-id=\"b4a43e8\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-949eee6 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"949eee6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" 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<ol><li><strong data-start=\"2632\" data-end=\"2647\">Prepara\u00e7\u00e3o<\/strong><br data-start=\"2647\" data-end=\"2650\" \/>Colocar o <a href=\"https:\/\/www.coefficientfriction.com\/pt\/coefficient-of-friction-testing-equipment\/\"><strong data-start=\"2663\" data-end=\"2706\">m\u00e1quina de ensaio do coeficiente de atrito<\/strong><\/a> sobre uma superf\u00edcie est\u00e1vel e sem vibra\u00e7\u00f5es. Nivelar o equipamento e zerar o sistema de medi\u00e7\u00e3o de for\u00e7a.<\/li><li><strong data-start=\"2807\" data-end=\"2829\">Alinhamento de esp\u00e9cimes<\/strong><ul><li data-start=\"2837\" data-end=\"2929\">Cortar as amostras de acordo com a dire\u00e7\u00e3o do gr\u00e3o (dire\u00e7\u00e3o da m\u00e1quina ou dire\u00e7\u00e3o transversal \u00e0 m\u00e1quina).<\/li><li data-start=\"2935\" data-end=\"3014\">Colocar o esp\u00e9cime maior (lado do feltro para cima) no plano horizontal e fix\u00e1-lo.<\/li><li data-start=\"3020\" data-end=\"3122\">Colocar a amostra mais pequena (lado do fio para baixo) debaixo do tren\u00f3, evitando qualquer movimento horizontal prematuro.<\/li><\/ul><\/li><li data-start=\"3127\" data-end=\"3153\"><strong data-start=\"3127\" data-end=\"3151\">Ensaio de fric\u00e7\u00e3o est\u00e1tica<\/strong><ul><li data-start=\"3159\" data-end=\"3203\">Fixar o tren\u00f3 ao motor ou ao cabo de medi\u00e7\u00e3o.<\/li><li data-start=\"3209\" data-end=\"3306\">Ligar o aparelho e registar o <strong data-start=\"3241\" data-end=\"3263\">for\u00e7a de pico inicial<\/strong> como o <strong data-start=\"3271\" data-end=\"3305\">coeficiente de atrito est\u00e1tico<\/strong>.<\/li><\/ul><\/li><li data-start=\"3311\" data-end=\"3338\"><strong data-start=\"3311\" data-end=\"3336\">Teste de fric\u00e7\u00e3o cin\u00e9tica<\/strong><ul><li data-start=\"3344\" data-end=\"3399\">Continuar o movimento ao longo de cerca de 130 mm (5 polegadas).<\/li><li data-start=\"3405\" data-end=\"3476\">Registar o <strong data-start=\"3416\" data-end=\"3433\">for\u00e7a m\u00e9dia<\/strong> ao longo desta dist\u00e2ncia como o <strong data-start=\"3460\" data-end=\"3475\">COF cin\u00e9tico<\/strong>.<\/li><\/ul><\/li><li data-start=\"3481\" data-end=\"3500\"><strong data-start=\"3481\" data-end=\"3498\">Repetibilidade<\/strong><ul><li data-start=\"3506\" data-end=\"3571\">N\u00e3o reutilizar pares de testes, exceto se necess\u00e1rio para compara\u00e7\u00f5es de vari\u00e1veis.<\/li><li data-start=\"3577\" data-end=\"3651\">Manter uma sincroniza\u00e7\u00e3o coerente entre a coloca\u00e7\u00e3o do tren\u00f3 e o in\u00edcio do movimento.<\/li><\/ul><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-411534e e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"411534e\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bb79da elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"8bb79da\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Resumo do m\u00e9todo de ensaio de acordo com a norma TAPPI T549<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e5007c elementor-widget elementor-widget-text-editor\" data-id=\"8e5007c\" 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=\"1939\" data-end=\"2065\">A norma TAPPI T549 descreve um m\u00e9todo de deslizamento horizontal simples mas preciso:<\/p><ul><li data-start=\"2069\" data-end=\"2119\">Uma amostra de papel \u00e9 fixada a um plano de ensaio plano.<\/li><li data-start=\"2122\" data-end=\"2201\">Uma segunda amostra \u00e9 fixada a um tren\u00f3 com um peso e uma \u00e1rea de superf\u00edcie padronizados.<\/li><li data-start=\"2204\" data-end=\"2307\">O tren\u00f3 \u00e9 puxado (ou o avi\u00e3o \u00e9 deslocado por baixo do tren\u00f3) atrav\u00e9s de um motor de velocidade constante ou de um sistema de roldanas.<\/li><li data-start=\"2310\" data-end=\"2380\">O <strong data-start=\"2314\" data-end=\"2331\">for\u00e7a m\u00e1xima<\/strong> antes do in\u00edcio do movimento d\u00e1 o <strong data-start=\"2365\" data-end=\"2379\">est\u00e1tico COF<\/strong>.<\/li><li data-start=\"2383\" data-end=\"2457\">O <strong data-start=\"2387\" data-end=\"2404\">for\u00e7a m\u00e9dia<\/strong> durante o movimento constante fornece o <strong data-start=\"2441\" data-end=\"2456\">COF cin\u00e9tico<\/strong>.<\/li><\/ul><p data-start=\"2459\" data-end=\"2568\">Este m\u00e9todo permite a realiza\u00e7\u00e3o de ensaios consistentes e reprodut\u00edveis - ideal para o controlo de qualidade e a avalia\u00e7\u00e3o da linha de produ\u00e7\u00e3o.<\/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-e43e1f1 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-video\" data-id=\"e43e1f1\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/NUgXENOz8J0&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;fadeInRight&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>\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-f7106d9 e-flex e-con-boxed e-con e-parent\" data-id=\"f7106d9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-694940d e-con-full e-flex e-con e-child\" data-id=\"694940d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8ea1c6c e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"8ea1c6c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6ee6d5 elementor-widget elementor-widget-heading\" data-id=\"f6ee6d5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">Aplica\u00e7\u00f5es da TAPPI T549 na ind\u00fastria<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-663e3cc elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"663e3cc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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<ul><li data-start=\"3708\" data-end=\"3791\"><strong data-start=\"3708\" data-end=\"3726\">Papel de impress\u00e3o<\/strong>: Assegura uma alimenta\u00e7\u00e3o eficaz das folhas nas m\u00e1quinas de impress\u00e3o de alta velocidade.<\/li><li data-start=\"3794\" data-end=\"3883\"><strong data-start=\"3794\" data-end=\"3820\">Papel de escrita n\u00e3o revestido<\/strong>: Evita que as fotocopiadoras e as impressoras de escrit\u00f3rio fiquem coladas ou n\u00e3o sejam alimentadas corretamente.<\/li><li data-start=\"3886\" data-end=\"4047\"><strong data-start=\"3886\" data-end=\"3907\">Qualidade da embalagem<\/strong>: Embora o TAPPI T549 se destine a testes papel a papel, complementa os m\u00e9todos de plano inclinado como o TAPPI T815 para aplica\u00e7\u00f5es de embalagem mais amplas.<\/li><\/ul><p data-start=\"4049\" data-end=\"4195\">Ao compreender o comportamento do atrito, os fabricantes podem modificar as propriedades da superf\u00edcie ou os revestimentos para satisfazer as necessidades da aplica\u00e7\u00e3o e a compatibilidade do equipamento.<\/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<div class=\"elementor-element elementor-element-b0586e5 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"b0586e5\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f9046cc e-con-full e-flex e-con e-child\" data-id=\"f9046cc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4f0b8e elementor-widget elementor-widget-heading\" data-id=\"c4f0b8e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">Porque \u00e9 que a norma TAPPI T549 \u00e9 importante para o controlo de qualidade<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2186d6f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2186d6f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"4924\" data-end=\"4965\">A manuten\u00e7\u00e3o dos n\u00edveis corretos de COF garante:<\/p><ul><li data-start=\"4968\" data-end=\"5016\"><strong data-start=\"4968\" data-end=\"4992\">Alimenta\u00e7\u00e3o de papel suave<\/strong> em impressoras e fotocopiadoras<\/li><li data-start=\"5019\" data-end=\"5073\"><strong data-start=\"5019\" data-end=\"5043\">Redu\u00e7\u00e3o do desgaste da m\u00e1quina<\/strong> devido a menos encravamentos ou erros de alimenta\u00e7\u00e3o<\/li><li data-start=\"5076\" data-end=\"5128\"><strong data-start=\"5076\" data-end=\"5108\">Melhoria da consist\u00eancia do produto<\/strong> de lote para lote<\/li><li data-start=\"5131\" data-end=\"5198\"><strong data-start=\"5131\" data-end=\"5163\">Melhor satisfa\u00e7\u00e3o do cliente<\/strong> evitando problemas comuns de manuseamento<\/li><\/ul><p data-start=\"5200\" data-end=\"5345\">A norma TAPPI T549 fornece a metodologia para quantificar o comportamento de fric\u00e7\u00e3o, oferecendo dados que conduzem a decis\u00f5es mais inteligentes na produ\u00e7\u00e3o e no design de materiais.<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d958da e-flex e-con-boxed e-con e-parent\" data-id=\"9d958da\" 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-5055911 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5055911\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">COF-01 M\u00e1quina de ensaio do coeficiente de atrito<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0424cfa e-con-full e-grid e-con e-child\" data-id=\"0424cfa\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a290580 e-con-full e-flex e-con e-child\" data-id=\"a290580\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cac45b elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"7cac45b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"4274\" data-end=\"4439\">Respeitar a norma TAPPI T549 com precis\u00e3o e fiabilidade, <strong data-start=\"4332\" data-end=\"4352\">Cell Instruments<\/strong> oferece o <strong data-start=\"4364\" data-end=\"4414\">COF-01 M\u00e1quina de ensaio do coeficiente de atrito<\/strong>especialmente concebido para:<\/p><ul data-start=\"4441\" data-end=\"4617\"><li data-start=\"4441\" data-end=\"4476\"><p data-start=\"4443\" data-end=\"4476\">Avalia\u00e7\u00e3o est\u00e1tica e cin\u00e9tica do COF<\/p><\/li><li data-start=\"4477\" data-end=\"4512\"><p data-start=\"4479\" data-end=\"4512\">Ensaio de fric\u00e7\u00e3o no plano horizontal<\/p><\/li><li data-start=\"4513\" data-end=\"4617\"><p data-start=\"4515\" data-end=\"4617\">Aplica\u00e7\u00e3o em <strong data-start=\"4530\" data-end=\"4548\">papel para impress\u00e3o<\/strong>, <strong data-start=\"4550\" data-end=\"4570\">escrita n\u00e3o revestida<\/strong>e outros <strong data-start=\"4582\" data-end=\"4607\">t\u00eaxteis e embalagens<\/strong> materiais<\/p><\/li><\/ul><p data-start=\"4619\" data-end=\"4869\">O seu movimento de velocidade constante e o registo digital da for\u00e7a asseguram resultados de acordo com a norma TAPPI que s\u00e3o reproduz\u00edveis e altamente precisos. Para profissionais de controlo de qualidade ou de I&amp;D, o COF-01 garante que os seus testes est\u00e3o em conformidade com a norma TAPPI T549 e com os objectivos de produ\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<div class=\"elementor-element elementor-element-3a3fc5c e-con-full e-flex e-con e-child\" data-id=\"3a3fc5c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e1f2e3 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"9e1f2e3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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.coefficientfriction.com\/pt\/coefficient-of-friction-testing-equipment\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1nwdb5s7ojc5fmiewgn0ak2nlwv641l9yiy0.webp\" title=\"equipamento de ensaio do coeficiente de atrito 01\" alt=\"equipamento de ensaio do coeficiente de atrito 01\" 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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Coefficients of static and kinetic friction of uncoated writing and printing paper by use of the horizontal plane method In the paper and packaging industry, understanding surface interactions is essential for ensuring smooth performance in printing, converting, and handling processes. TAPPI T549 is the recognized method for determining the static and kinetic coefficients of friction [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-535","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/comments?post=535"}],"version-history":[{"count":5,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/535\/revisions"}],"predecessor-version":[{"id":552,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/535\/revisions\/552"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/media?parent=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}