{"id":15136,"date":"2025-05-26T08:02:21","date_gmt":"2025-05-26T08:02:21","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15136"},"modified":"2025-05-26T08:12:57","modified_gmt":"2025-05-26T08:12:57","slug":"gcc-vs-pcc-17-key-differences-you-need-to-know-part-2","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/pt\/gcc-vs-pcc-17-key-differences-you-need-to-know-part-2\/","title":{"rendered":"GCC vs PCC: 17 diferen\u00e7as importantes que voc\u00ea precisa saber (parte 2)"},"content":{"rendered":"<h2 class=\"wp-block-heading has-medium-font-size\">10 \u00c1rea de superf\u00edcie espec\u00edfica<\/h2>\n\n\n\n<p>A \u00e1rea de superf\u00edcie espec\u00edfica do GCC comum \u00e9 geralmente de cerca de 1 m\u00b2\/g.<\/p>\n\n\n\n<p>Para carbonato de c\u00e1lcio fino pesado, varia de 1,45\u20132,1 m\u00b2\/g.<\/p>\n\n\n\n<p>A \u00e1rea de superf\u00edcie espec\u00edfica do PCC comum \u00e9 normalmente de cerca de 5 m\u00b2\/g.<\/p>\n\n\n\n<p>Para carbonato de c\u00e1lcio fino e leve, varia de 27 a 87 m\u00b2\/g.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"691\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface.webp\" alt=\"\" class=\"wp-image-15149\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface-300x202.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface-768x518.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Particle-surface-600x405.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">11 Fluidez<\/h2>\n\n\n\n<p>Em termos de fluidez, a microestrutura do PCC assemelha-se a um fuso e possui um valor de absor\u00e7\u00e3o de \u00f3leo relativamente alto. Ele tende a absorver componentes da formula\u00e7\u00e3o que aumentam a fluidez, como lubrificantes, plastificantes, agentes de acoplamento e dispersantes, o que reduz sua fluidez. Quando a dosagem excede 25 partes, a fluidez \u00e9 significativamente afetada.<\/p>\n\n\n\n<p>O GCC, por ser granular, ajuda a melhorar a fluidez. N\u00e3o h\u00e1 limite estrito para a quantidade adicionada. Do ponto de vista da fluidez, ao adicionar mais de 25 partes de carbonato de c\u00e1lcio em formula\u00e7\u00f5es de tubos de PVC, o GCC \u00e9 recomendado.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"969\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1.webp\" alt=\"\" class=\"wp-image-15151\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1-300x284.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1-768x727.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1-13x12.webp 13w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-1-600x568.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">12 Pre\u00e7o<\/h2>\n\n\n\n<p>O GCC \u00e9 produzido principalmente por britagem e moagem mec\u00e2nica.<br>J\u00e1 o PCC \u00e9 obtido por precipita\u00e7\u00e3o qu\u00edmica, um processo muito mais complexo e que exige controles mais rigorosos.<br>Como resultado, para o mesmo tamanho de part\u00edcula, o GCC \u00e9 cerca de 30% mais barato que o PCC. Quando os requisitos de desempenho permitem, a escolha do GCC \u00e9 mais econ\u00f4mica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">13 Fun\u00e7\u00e3o de modifica\u00e7\u00e3o<\/h2>\n\n\n\n<p>O GCC oferece melhor<a href=\"https:\/\/simple.wikipedia.org\/wiki\/Tensile_strength\"> resist\u00eancia \u00e0 trac\u00e7\u00e3o<\/a>&nbsp;e melhora a fluidez do processamento. Pl\u00e1sticos preenchidos com GCC de tamanho de part\u00edcula menor tamb\u00e9m apresentam melhor desempenho.<\/p>\n\n\n\n<p>O PCC oferece maior resist\u00eancia ao impacto e rigidez. Pl\u00e1sticos feitos com PCC geralmente t\u00eam uma superf\u00edcie mais lisa e menor densidade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">14 Controlabilidade de luz colorida<\/h2>\n\n\n\n<p>Matiz refere-se ao tom dominante de uma cor, enquanto a luz da cor refere-se \u00e0 tonalidade residual. P\u00f3s com diferentes formas cristalinas exibem diferentes matizes. O carbonato de c\u00e1lcio possui tr\u00eas formas cristalinas distintas, que resultam em matizes variados.<\/p>\n\n\n\n<p>Para o GCC, a cor base depende da origem e n\u00e3o muda com a britagem ou o refino. Por exemplo, o carbonato de c\u00e1lcio de Sichuan apresenta um tom azulado, o de Guangxi apresenta um tom avermelhado e o de Jiangxi apresenta um tom esverdeado.<\/p>\n\n\n\n<p>Quanto ao PCC, \u00e9 poss\u00edvel controlar a forma do cristal durante a s\u00edntese, permitindo a regula\u00e7\u00e3o da tonalidade resultante. Na combina\u00e7\u00e3o de cores, a luz do carbonato de c\u00e1lcio deve ser consistente com a do pigmento principal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">15 valor de pH<\/h2>\n\n\n\n<p>\u2022 O valor de pH do GCC \u00e9 8\u20139. &nbsp;<br>\u2022 O valor de pH do PCC \u00e9 9\u201310. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">16 Compara\u00e7\u00e3o da Economia Mineral<\/h2>\n\n\n\n<p>Custo de prepara\u00e7\u00e3o do p\u00f3: Em condi\u00e7\u00f5es convencionais, os custos s\u00e3o compar\u00e1veis. No entanto, ao incluir os custos de controle ambiental e o desperd\u00edcio de recursos, o custo de expans\u00e3o do PCC \u00e9 maior do que o do GCC. &nbsp;<\/p>\n\n\n\n<p>Equil\u00edbrio ambiental: a produ\u00e7\u00e3o de GCC gera principalmente ru\u00eddo, mas n\u00e3o os &quot;tr\u00eas res\u00edduos&quot; (\u00e1guas residuais, gases residuais e res\u00edduos s\u00f3lidos), o que a torna ambientalmente administr\u00e1vel. A produ\u00e7\u00e3o de PCC emite todos os tr\u00eas tipos de res\u00edduos, principalmente gases de combust\u00e3o, resultando em menor sustentabilidade ambiental geral. <\/p>\n\n\n\n<p>Taxa de utiliza\u00e7\u00e3o de recursos: a produ\u00e7\u00e3o de GCC permite um uso mais eficiente e abrangente dos recursos minerais. Em contraste, a produ\u00e7\u00e3o de PCC luta para atingir o mesmo n\u00edvel de efici\u00eancia de recursos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">17 Desempenho do aplicativo<\/h2>\n\n\n\n<p>Nas ind\u00fastrias de fabrica\u00e7\u00e3o de papel, borracha e pl\u00e1sticos, o GCC \u00e9 utilizado. Ele \u00e9 normalmente adicionado em grandes quantidades como enchimento de volume para reduzir os custos de fabrica\u00e7\u00e3o do produto. O PCC tem uma gama de aplica\u00e7\u00f5es mais ampla, incluindo pl\u00e1sticos, borracha, revestimentos, adesivos, papel de cigarro e tintas. Tamb\u00e9m atua como enchimento de volume. O Nano PCC \u00e9 frequentemente utilizado como enchimento funcional para modifica\u00e7\u00e3o ou refor\u00e7o, normalmente em quantidades menores.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Conclus\u00e3o<\/h2>\n\n\n\n<p>\u00c9 crucial distinguir claramente entre PCC e GCC e escolher o tipo apropriado ao projetar uma formula\u00e7\u00e3o espec\u00edfica. Isso permite selecionar os materiais de acordo com as necessidades de desempenho e, ao mesmo tempo, ajudar a reduzir custos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">P\u00f3 \u00e9pico<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328.webp\" alt=\"\" class=\"wp-image-15154\" style=\"width:807px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328.webp 1000w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328-768x768.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328-12x12.webp 12w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/jet-mill-0328-600x600.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>Obrigado por ler este artigo sobre as diferen\u00e7as entre GCC e PCC. Como l\u00edder no campo da tecnologia de p\u00f3s,&nbsp;<a href=\"https:\/\/www.epicmicron.com\/pt\/products\/\">P\u00f3 \u00e9pico<\/a>&nbsp;A Machinery fornece moinhos a jato eficientes e inovadores e equipamentos relacionados para clientes no mundo todo. <\/p>\n\n\n\n<p>Quer voc\u00ea esteja procurando melhorar o desempenho do produto ou otimizar os custos de produ\u00e7\u00e3o, oferecemos as solu\u00e7\u00f5es mais adequadas \u00e0s suas necessidades.<\/p>\n\n\n\n<p>Se voc\u00ea tiver alguma d\u00favida sobre a produ\u00e7\u00e3o e aplica\u00e7\u00e3o de p\u00f3s de carbonato de c\u00e1lcio, sinta-se \u00e0 vontade para entrar em contato conosco.&nbsp;<a href=\"https:\/\/www.epicmicron.com\/pt\/contact-us\/\">Contate-nos<\/a>.<\/p>\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 jato MQW60 para cera PE, boa qualidade e alta efici\u00eancia-EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Uhey5eHT8IY?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<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14468-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14468\">\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\/15136#wpcf7-f14468-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\/15136#wpcf7-f14468-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14468\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f14468-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" 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 telefone 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><span class=\"wpcf7-form-control-wrap kc_captcha\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" ><span class=\"cf7ic_instructions\">Por favor, prove que voc\u00ea \u00e9 humano selecionando<span> estrela<\/span>\u3002<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M415 24c-53 0-103 42-127 65-24-23-74-65-127-65C70 24 16 77 16 166c0 72 67 133 69 135l187 181c9 8 23 8 32 0l187-180c2-3 69-64 69-136 0-89-54-142-145-142z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"kc_human\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M259 18l-65 132-146 22c-26 3-37 36-18 54l106 103-25 146c-5 26 23 46 46 33l131-68 131 68c23 13 51-7 46-33l-25-146 106-103c19-18 8-51-18-54l-146-22-65-132a32 32 0 00-58 0z\"\/><\/svg><\/label><label><input aria-label=\"3\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\"><path fill=\"currentColor\" d=\"M192 384h192c53 0 96-43 96-96h32a128 128 0 000-256H120c-13 0-24 11-24 24v232c0 53 43 96 96 96zM512 96a64 64 0 010 128h-32V96h32zm48 384H48c-47 0-61-64-36-64h584c25 0 11 64-36 64z\"\/><\/svg><\/label>\r\n    <\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/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:0px;}\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: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\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>10 \u00c1rea superficial espec\u00edfica A \u00e1rea superficial espec\u00edfica do GCC comum \u00e9 geralmente de cerca de 1 m\u00b2\/g. Para o carbonato de c\u00e1lcio fino pesado, ela varia de 1,45 a 2,1 m\u00b2\/g. A \u00e1rea superficial espec\u00edfica de [\u2026]<\/p>","protected":false},"author":2,"featured_media":15151,"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":"","ast-disable-related-posts":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"class_list":["post-15136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>GCC vs PCC: 17 Key Differences You Need to Know (Part 2) - Jet Mill Equipment Manufacturer<\/title>\n<meta name=\"description\" content=\"The specific surface area of ordinary PCC\u00a0is typically about 5 m\u00b2\/g. For light fine calcium carbonate, it ranges from 27\u201387 m\u00b2\/g.\" \/>\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.epicmicron.com\/pt\/gcc-vs-pcc-17-key-differences-you-need-to-know-part-2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GCC vs PCC: 17 Key Differences You Need to Know (Part 2)\" \/>\n<meta property=\"og:description\" content=\"The specific surface area of ordinary PCC\u00a0is typically about 5 m\u00b2\/g. 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