{"id":3269,"date":"2025-06-10T11:55:51","date_gmt":"2025-06-10T03:55:51","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3269"},"modified":"2025-06-10T11:55:54","modified_gmt":"2025-06-10T03:55:54","slug":"the-difference-between-talcum-and-calcium-carbonate-as-plastic-filling","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/the-difference-between-talcum-and-calcium-carbonate-as-plastic-filling\/","title":{"rendered":"A diferen\u00e7a entre talco e carbonato de c\u00e1lcio como enchimento pl\u00e1stico"},"content":{"rendered":"<p>Ao formular masterbatches pl\u00e1sticos, \u00e9 importante entender a diferen\u00e7a entre <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/ultrafine-powder-dry-grinding\/\">talco e carbonato de c\u00e1lcio<\/a>  \u00e9 crucial para o desempenho e a economia. Embora o carbonato de c\u00e1lcio (especificamente do min\u00e9rio de cristal de calcita) seja o enchimento predominante usado na maioria dos masterbatches, o p\u00f3 de talco tamb\u00e9m \u00e9 uma op\u00e7\u00e3o vi\u00e1vel. Uma diferen\u00e7a fundamental entre o talco e o carbonato de c\u00e1lcio reside no custo, sendo o carbonato de c\u00e1lcio significativamente mais econ\u00f4mico. Al\u00e9m disso, o carbonato de c\u00e1lcio oferece vantagens no processo de produ\u00e7\u00e3o, pois geralmente \u00e9 mais f\u00e1cil de processar do que o p\u00f3 de talco.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"420\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate.webp\" alt=\"Carbonato de c\u00e1lcio mo\u00eddo\" class=\"wp-image-3270\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate-300x168.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p><br>Para pellets de polipropileno utilizados em cintas, deve-se adicionar uma mistura de talco e carbonato de c\u00e1lcio na propor\u00e7\u00e3o de 70:25:5 (polipropileno: talco: carbonato de c\u00e1lcio). Para sacos tecidos, o carbonato de c\u00e1lcio \u00e9 o preferido, com n\u00edvel de adi\u00e7\u00e3o superior a 30%. \u00c9 importante monitorar a temperatura durante o processamento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Usos comuns de talco e carbonato de c\u00e1lcio como enchimentos<\/h2>\n\n\n\n<p>Os principais objetivos do uso dessas cargas incluem aumentar a estabilidade dimensional (ou seja, reduzir a contra\u00e7\u00e3o), aumentar a rigidez do material, melhorar a resist\u00eancia ao calor e reduzir os custos com materiais. No entanto, seu uso tamb\u00e9m apresenta desvantagens. Entre elas, est\u00e3o o aumento da densidade, a potencial redu\u00e7\u00e3o da tenacidade ao impacto se n\u00e3o forem utilizadas corretamente e a diminui\u00e7\u00e3o do brilho do material.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tamanho e sele\u00e7\u00e3o de part\u00edculas<\/h2>\n\n\n\n<p>O p\u00f3 de talco, assim como o carbonato de c\u00e1lcio, vem em v\u00e1rios tamanhos de part\u00edculas, geralmente 300 mesh, 600 mesh, 800 mesh, 1250 mesh e 2500 mesh, com op\u00e7\u00f5es ainda mais finas dispon\u00edveis. Para aplica\u00e7\u00f5es pl\u00e1sticas, o p\u00f3 de talco de 800 mesh e 1250 mesh geralmente oferece o melhor equil\u00edbrio entre desempenho e custo. O pre\u00e7o do p\u00f3 de talco varia, mas geralmente pode ser definido de acordo com o n\u00famero de mesh. Por exemplo, o p\u00f3 de talco de 800 mesh normalmente custa entre 700 e 850 yuans, enquanto o p\u00f3 de 1250 mesh varia de 1000 a 1280 yuans. Desvios nessas faixas de pre\u00e7o podem indicar pre\u00e7os anormais.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diferen\u00e7a entre <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/ball-mill\/\">Talco<\/a> e Carbonato de C\u00e1lcio<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\"><img decoding=\"async\" width=\"667\" height=\"471\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Talc-powder.webp\" alt=\"Talco em p\u00f3\" class=\"wp-image-3271\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Talc-powder.webp 667w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Talc-powder-300x212.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Talc-powder-18x12.webp 18w\" sizes=\"(max-width: 667px) 100vw, 667px\" \/><\/a><\/figure>\n\n\n\n<p><strong>Forma e desempenho: <\/strong><\/p>\n\n\n\n<p>O p\u00f3 de talco tem um formato semelhante a flocos, o que lhe confere maior rigidez, melhor estabilidade dimensional e maior resist\u00eancia ao calor, tornando-o um agente de refor\u00e7o eficaz. Em contraste, o carbonato de c\u00e1lcio \u00e9 geralmente granular, resultando em menor rigidez em compara\u00e7\u00e3o ao talco. No entanto, seu menor custo, alta brancura e impacto negativo m\u00ednimo na tenacidade ao impacto do pl\u00e1stico s\u00e3o suas vantagens.<br><strong>Efeito no polipropileno: <\/strong><\/p>\n\n\n\n<p>O talco tem um efeito de nuclea\u00e7\u00e3o no polipropileno, enquanto o carbonato de c\u00e1lcio n\u00e3o mostra tal efeito significativo.<br><strong>Origem e Classifica\u00e7\u00e3o: <\/strong><\/p>\n\n\n\n<p>O carbonato de c\u00e1lcio pode ser amplamente categorizado em carbonato de c\u00e1lcio leve e carbonato de c\u00e1lcio pesado. Em contraste, o p\u00f3 de talco, que \u00e9 mo\u00eddo a partir de minerais naturais, n\u00e3o possui essa classifica\u00e7\u00e3o.<\/p>\n\n\n\n<p>PP refor\u00e7ado com composto de carbonato de c\u00e1lcio\/p\u00f3 de talco, suas propriedades s\u00e3o as seguintes:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Contente<\/td><td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o Mpa<\/td><td>Resist\u00eancia \u00e0 flex\u00e3o Mpa<\/td><td>M\u00f3dulo de flex\u00e3o Mpa<\/td><td>Dureza Rockwell<\/td><td>Encolhimento do modelo %<\/td><\/tr><tr><td>20% carbonato de c\u00e1lcio<\/td><td>27.8<\/td><td>40<\/td><td>2000<\/td><td>105<\/td><td>0.87<\/td><\/tr><tr><td>Talco 20%<\/td><td>29<\/td><td>42<\/td><td>1300<\/td><td>100<\/td><td>0.82<\/td><\/tr><tr><td>10% carbonato de c\u00e1lcio + 10% talco<\/td><td>32<\/td><td>45<\/td><td>2500<\/td><td>130<\/td><td>0.74<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/contact\/\">P\u00f3 \u00e9pico<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Moinho de bolas e sistema classificador para carbonato de c\u00e1lcio\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UgGibh4p4sg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Epic Powder, com mais de 20 anos de experi\u00eancia na ind\u00fastria de p\u00f3s ultrafinos. Promovemos ativamente o desenvolvimento futuro de p\u00f3s ultrafinos, com foco em processos de britagem, moagem, classifica\u00e7\u00e3o e modifica\u00e7\u00e3o de p\u00f3s ultrafinos. Entre em contato conosco para uma consulta gratuita e solu\u00e7\u00f5es personalizadas! Nossa equipe de especialistas se dedica a fornecer produtos e servi\u00e7os de alta qualidade para maximizar o valor do seu processamento de p\u00f3s. Epic Powder \u2014 Seu especialista confi\u00e1vel em processamento de p\u00f3s!<\/p>\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\/posts\/3269#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\/posts\/3269#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\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Seu nome*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><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=\"Seu email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Seu Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Sua empresa\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Sua mensagem\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ao formular masterbatches pl\u00e1sticos, entender a diferen\u00e7a entre talco e carbonato de c\u00e1lcio \u00e9 crucial para o desempenho e a economia. Embora o carbonato de c\u00e1lcio (especificamente do min\u00e9rio de cristal de calcita) seja o enchimento predominante usado na maioria dos masterbatches, o p\u00f3 de talco tamb\u00e9m \u00e9 uma op\u00e7\u00e3o vi\u00e1vel. Uma diferen\u00e7a fundamental entre talco e carbonato de c\u00e1lcio reside no custo, com o carbonato de c\u00e1lcio [\u2026]<\/p>","protected":false},"author":1,"featured_media":3273,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-air-classifier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Difference between Talcum and Calcium Carbonate as Plastic Filling<\/title>\n<meta name=\"description\" content=\"When formulating plastic masterbatches, understanding the difference between talcum and calcium carbonate is crucial\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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