{"id":3833,"date":"2026-03-10T11:37:40","date_gmt":"2026-03-10T03:37:40","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?post_type=astra-portfolio&#038;p=3833"},"modified":"2026-03-10T11:44:45","modified_gmt":"2026-03-10T03:44:45","slug":"calcium-carbonate-coating-upgrade-for-a-tanzanian-pvc-pipe-manufacturer","status":"publish","type":"astra-portfolio","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/calcium-carbonate-coating-upgrade-for-a-tanzanian-pvc-pipe-manufacturer\/","title":{"rendered":"Melhoria do revestimento de carbonato de c\u00e1lcio para um fabricante de tubos de PVC na Tanz\u00e2nia."},"content":{"rendered":"<h3 class=\"wp-block-heading\">1. Contexto do Projeto<\/h3>\n\n\n\n<p>O cliente \u00e9 um fabricante l\u00edder de tubos de PVC e produtos pl\u00e1sticos na Tanz\u00e2nia. No processamento de pl\u00e1sticos, o carbonato de c\u00e1lcio mo\u00eddo (GCC) n\u00e3o tratado geralmente apresenta baixa compatibilidade com as matrizes polim\u00e9ricas. Essa incompatibilidade pode levar \u00e0 diminui\u00e7\u00e3o das propriedades mec\u00e2nicas e \u00e0 baixa fluidez de processamento dos tubos.<\/p>\n\n\n\n<p>Para reduzir os custos de mat\u00e9ria-prima e melhorar a resist\u00eancia do produto, o cliente adotou a m\u00e1quina de revestimento de p\u00f3 com tr\u00eas rolos Epic Powder Powder-Roller Coating Machine. Seu objetivo era realizar a ativa\u00e7\u00e3o superficial do carbonato de c\u00e1lcio utilizando \u00e1cido este\u00e1rico. Esse processo transforma o p\u00f3 de hidrof\u00edlico para lipof\u00edlico, garantindo melhor integra\u00e7\u00e3o com as resinas pl\u00e1sticas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Solu\u00e7\u00e3o T\u00e9cnica:<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/\"> P\u00f3 \u00e9pico<\/a> <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/three-roller-coating-machine\/\">Sistema de revestimento com tr\u00eas rolos<\/a> para revestimento de carbonato de c\u00e1lcio <\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"580\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/Calcium-Carbonate-Coating-Machine.webp\" alt=\"\" class=\"wp-image-3835\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/Calcium-Carbonate-Coating-Machine.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/Calcium-Carbonate-Coating-Machine-300x218.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/Calcium-Carbonate-Coating-Machine-768x557.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/Calcium-Carbonate-Coating-Machine-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">m\u00e1quina de revestimento de moinho de tr\u00eas rolos<\/figcaption><\/figure>\n\n\n\n<p>A m\u00e1quina de revestimento de tr\u00eas rolos \u00e9 uma das solu\u00e7\u00f5es mais eficazes para o tratamento superficial do carbonato de c\u00e1lcio, especialmente para cargas pl\u00e1sticas.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Vantagens dos equipamentos principais:<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alto poder de cobertura:<\/strong> A zona de revestimento triangular formada pelos tr\u00eas rolos proporciona for\u00e7as de cisalhamento poderosas. Isso garante que o \u00e1cido este\u00e1rico forme uma camada monomolecular uniforme nas superf\u00edcies das part\u00edculas. As taxas de ativa\u00e7\u00e3o normalmente excedem 98%.<\/li>\n\n\n\n<li><strong>Produ\u00e7\u00e3o cont\u00ednua:<\/strong> Diferentemente dos m\u00e9todos tradicionais de revestimento em lote, esta m\u00e1quina suporta opera\u00e7\u00e3o cont\u00ednua 24 horas por dia, 7 dias por semana. Isso aumenta significativamente a efici\u00eancia geral da produ\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Controle preciso de temperatura:<\/strong> O sistema inclui aquecimento e resfriamento integrados. O \u00e1cido este\u00e1rico derrete na temperatura ideal e se mistura completamente com o p\u00f3. Isso evita o desperd\u00edcio de aditivos e a forma\u00e7\u00e3o de grumos localizados.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Par\u00e2metros de Processamento e Resultados<\/h3>\n\n\n\n<p>A linha de produ\u00e7\u00e3o atingiu com sucesso uma opera\u00e7\u00e3o est\u00e1vel com os seguintes par\u00e2metros:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Resultados Principais<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hidrofobicidade superior:<\/strong> O p\u00f3 tratado flutua completamente na \u00e1gua. Isso comprova que a superf\u00edcie foi revestida com sucesso com grupos lipof\u00edlicos.<\/li>\n\n\n\n<li><strong>Absor\u00e7\u00e3o reduzida de \u00f3leo:<\/strong> O processo reduz efetivamente o valor de absor\u00e7\u00e3o de \u00f3leo do carbonato de c\u00e1lcio. Isso diminui a quantidade de plastificante necess\u00e1ria durante o processamento subsequente do pl\u00e1stico.<\/li>\n\n\n\n<li><strong>Dispersibilidade aprimorada:<\/strong> Durante a extrus\u00e3o de tubos de PVC, o p\u00f3 modificado se distribui uniformemente. Isso melhora significativamente a resist\u00eancia \u00e0 tra\u00e7\u00e3o e ao impacto dos tubos finais.<\/li>\n\n\n\n<li><strong>Sa\u00edda est\u00e1vel:<\/strong> O sistema mant\u00e9m uma capacidade constante de 300 a 500 kg\/h. Isso atende perfeitamente aos requisitos das linhas de produ\u00e7\u00e3o de m\u00e9dio porte do cliente.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\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\/astra-portfolio\/3833#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/astra-portfolio\/3833#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" 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