{"id":3451,"date":"2025-08-13T11:47:30","date_gmt":"2025-08-13T03:47:30","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3451"},"modified":"2025-08-13T11:47:34","modified_gmt":"2025-08-13T03:47:34","slug":"structure-and-properties-of-ground-calcium-carbonate-gcc","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/structure-and-properties-of-ground-calcium-carbonate-gcc\/","title":{"rendered":"Structure et propri\u00e9t\u00e9s du carbonate de calcium broy\u00e9 (GCC)"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/\">carbonate de calcium moulu<\/a> Le carbonate de calcium (GCC) est une poudre inorganique non m\u00e9tallique produite \u00e0 partir de calcite naturelle, de marbre, de calcaire et de mati\u00e8res premi\u00e8res similaires par broyage et classification m\u00e9caniques. Gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s chimiques stables, \u00e0 l&#039;abondance de ses ressources et \u00e0 son faible co\u00fbt, le carbonate de calcium broy\u00e9 (<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">CCG<\/a>) est largement utilis\u00e9 dans les plastiques, le caoutchouc, les rev\u00eatements, le papier et d&#039;autres industries.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Caract\u00e9ristiques structurelles<\/h2>\n\n\n\n<p><strong>Structure cristalline<\/strong><br>Le carbonate de calcium broy\u00e9 (GCC) appartient au syst\u00e8me cristallin trigonal (type calcite), avec un r\u00e9seau cristallin compos\u00e9 d&#039;ions Ca\u00b2\u207a et CO\u2083\u00b2\u207b dispos\u00e9s en un empilement dense. Cette structure lui conf\u00e8re une bonne stabilit\u00e9 et une duret\u00e9 relativement \u00e9lev\u00e9e.<\/p>\n\n\n\n<p><strong>Morphologie des particules<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Diff\u00e9rentes formes<\/strong>: g\u00e9n\u00e9ralement cubique, rhombo\u00e9drique, sph\u00e9rique ou irr\u00e9gulier.<\/li>\n\n\n\n<li><strong>Gamme de tailles de particules<\/strong>:g\u00e9n\u00e9ralement de quelques microns \u00e0 quelques dizaines de microns ; le broyage ultrafin peut atteindre des tailles inf\u00e9rieures \u00e0 1 \u03bcm.<\/li>\n\n\n\n<li><strong>Surface sp\u00e9cifique<\/strong>:plus la taille des particules est fine, plus la surface est grande, ce qui am\u00e9liore l&#039;activit\u00e9 de surface et la liaison avec les mat\u00e9riaux polym\u00e8res organiques.<\/li>\n<\/ul>\n\n\n\n<p><strong>Caract\u00e9ristiques de surface<\/strong><br>La surface du GCC pr\u00e9sente une forte polarit\u00e9, \u00e9tant hydrophile et ol\u00e9ophobe. Dans les applications, <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">modification de surface<\/a> (comme l&#039;acide st\u00e9arique ou le traitement par agent de couplage) est souvent n\u00e9cessaire pour am\u00e9liorer la compatibilit\u00e9 avec les matrices organiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Propri\u00e9t\u00e9s physiques<\/h2>\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=\"carbonate de calcium moulu\" 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>Densit\u00e9 et duret\u00e9<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Propri\u00e9t\u00e9<\/strong><\/td><td><strong>Gamme typique<\/strong><\/td><td><strong>Importance industrielle<\/strong><\/td><\/tr><tr><td>Densit\u00e9 apparente<\/td><td>0,8\u20131,3 g\/cm\u00b3<\/td><td>Affecte la densit\u00e9 apparente des mat\u00e9riaux de remplissage<\/td><\/tr><tr><td>Volume de s\u00e9dimentation<\/td><td>1,1\u20131,9 mL\/g<\/td><td>Indique le rel\u00e2chement des particules<\/td><\/tr><tr><td>duret\u00e9 de Mohs<\/td><td>3 (calcite)<\/td><td>D\u00e9termine le taux d&#039;usure des \u00e9quipements de traitement<\/td><\/tr><tr><td>Surface sp\u00e9cifique<\/td><td>\u22481 m\u00b2\/g<\/td><td>Affecte la mouillabilit\u00e9 de la r\u00e9sine<\/td><\/tr><tr><td>Absorption d&#039;huile<\/td><td>40\u201360 mL\/100 g<\/td><td>Param\u00e8tre cl\u00e9 pour le traitement du plastique<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Propri\u00e9t\u00e9s optiques<\/strong><br>Le carbonate de calcium moulu (GCC) a une blancheur \u00e9lev\u00e9e (g\u00e9n\u00e9ralement sup\u00e9rieure \u00e0 90%), ce qui am\u00e9liore l&#039;apparence et l&#039;opacit\u00e9 des produits, ce qui le rend largement utilis\u00e9 dans les rev\u00eatements et le papier.<\/p>\n\n\n\n<p><strong>Stabilit\u00e9 thermique<\/strong><br>Il se d\u00e9compose en oxyde de calcium et en dioxyde de carbone \u00e0 environ 825 \u00b0C. \u00c0 temp\u00e9rature ambiante, il est chimiquement stable, insoluble dans l&#039;eau et l\u00e9g\u00e8rement soluble dans l&#039;eau contenant du CO\u2082.<\/p>\n\n\n\n<p><strong>Dispersibilit\u00e9<\/strong><br>La finesse des particules et le traitement de surface affectent directement la dispersibilit\u00e9. Le GCC, dont la distribution granulom\u00e9trique est \u00e9troite et la surface suffisamment modifi\u00e9e, peut \u00eatre dispers\u00e9 uniform\u00e9ment dans les polym\u00e8res, r\u00e9duisant ainsi l&#039;agglom\u00e9ration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Influence sur les propri\u00e9t\u00e9s m\u00e9caniques<\/h2>\n\n\n\n<p>Dans les plastiques, le caoutchouc et d&#039;autres composites, la structure et les propri\u00e9t\u00e9s du GCC affectent consid\u00e9rablement les performances m\u00e9caniques du produit final :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rigidit\u00e9 accrue<\/strong>:Des particules de plus petite taille avec une bonne dispersion peuvent am\u00e9liorer le module de flexion et la duret\u00e9.<\/li>\n\n\n\n<li><strong>Stabilit\u00e9 dimensionnelle am\u00e9lior\u00e9e<\/strong>:R\u00e9duit le r\u00e9tr\u00e9cissement et la d\u00e9formation des produits finis.<\/li>\n\n\n\n<li><strong>R\u00e9sistance aux chocs r\u00e9duite<\/strong>:Une teneur \u00e9lev\u00e9e en charges peut diminuer la t\u00e9nacit\u00e9, n\u00e9cessitant une combinaison avec d&#039;autres m\u00e9thodes de modification.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Performances typiques de l&#039;industrie<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plastiques<\/strong>: Le GCC 400\u20131250 mesh peut augmenter la r\u00e9sistance aux chocs des produits PP\/PE de 15\u201320% tout en r\u00e9duisant l&#039;utilisation de dioxyde de titane de 30%.<\/li>\n\n\n\n<li><strong>Papier<\/strong>:Les grades ultrafins (d97 &lt; 2 \u03bcm) peuvent am\u00e9liorer l&#039;opacit\u00e9 du papier de 8 \u00e0 12% et am\u00e9liorer consid\u00e9rablement l&#039;imprimabilit\u00e9.<\/li>\n\n\n\n<li><strong>Rev\u00eatements<\/strong>:Le m\u00e9lange avec le nano-CaCO\u2083 5% peut augmenter de mani\u00e8re synergique la r\u00e9sistance au frottement de la peinture au latex \u00e0 plus de 8 000 cycles.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Relation avec la technologie de traitement<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line.webp\" alt=\"ligne de production de classificateurs de broyeurs \u00e0 boulets\" class=\"wp-image-3419\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line-768x768.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/ball-mill-classifier-production-line-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">ligne de production de classificateurs de broyeurs \u00e0 boulets<\/figcaption><\/figure>\n\n\n\n<p>La performance du GCC d\u00e9pend non seulement de la qualit\u00e9 du minerai brut, mais aussi des \u00e9quipements et technologies de traitement. Par exemple, les lignes de production avec broyeur \u00e0 boulets et classificateur, les broyeurs verticaux ou les broyeurs \u00e0 rouleaux annulaires peuvent produire des poudres pr\u00e9sentant diff\u00e9rentes granulom\u00e9tries et morphologies. Les machines de modification de surface peuvent consid\u00e9rablement am\u00e9liorer l&#039;adh\u00e9rence aux polym\u00e8res. C&#039;est pourquoi des entreprises comme Epic Powder peuvent proposer des solutions de poudre GCC sur mesure pour r\u00e9pondre aux diff\u00e9rents besoins de leurs clients.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Conclusion<\/a><\/h2>\n\n\n\n<p>Le carbonate de calcium broy\u00e9 (GCC), gr\u00e2ce \u00e0 sa structure cristalline stable, son excellente blancheur et sa stabilit\u00e9 thermique, joue un r\u00f4le essentiel dans de nombreuses applications industrielles. Gr\u00e2ce \u00e0 des technologies de broyage et de classification avanc\u00e9es, au contr\u00f4le de la granulom\u00e9trie et \u00e0 la mise en \u0153uvre de modifications de surface efficaces, ses performances peuvent \u00eatre consid\u00e9rablement am\u00e9lior\u00e9es tout en maintenant des avantages \u00e9conomiques.<\/p>\n\n\n\n<p>Fort de plus de 20 ans d&#039;expertise en broyage ultrafin et en ing\u00e9nierie des poudres, Epic Powder propose des solutions GCC sur mesure, de la s\u00e9lection des mati\u00e8res premi\u00e8res au broyage fin, en passant par la classification de pr\u00e9cision et le traitement de surface. Ainsi, les produits GCC r\u00e9pondent aux diverses exigences de performance des industries telles que les plastiques, les rev\u00eatements et le papier, et les d\u00e9passent, contribuant ainsi \u00e0 une plus grande efficacit\u00e9, une meilleure qualit\u00e9 des produits et une comp\u00e9titivit\u00e9 accrue sur le march\u00e9.<\/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=\"Quels types de min\u00e9raux peuvent \u00eatre broy\u00e9s par notre broyeur \u00e0 boulets ?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/rGgmAAhG4Vo?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-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=\"\/fr\/wp-json\/wp\/v2\/posts\/3451#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3451#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=\"Votre nom*\" 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=\"Votre 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=\"Votre 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=\"Votre entreprise\" 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=\"Votre message\" 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=\"Soumettre\" \/>\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=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Le carbonate de calcium broy\u00e9 (GCC) est une poudre inorganique non m\u00e9tallique produite \u00e0 partir de calcite naturelle, de marbre, de calcaire et de mati\u00e8res premi\u00e8res similaires par broyage et classification m\u00e9caniques. Gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s chimiques stables, \u00e0 l&#039;abondance de ses ressources et \u00e0 son faible co\u00fbt, le carbonate de calcium broy\u00e9 (GCC) est largement utilis\u00e9 dans les industries du plastique, du caoutchouc, des rev\u00eatements, du papier et autres. Caract\u00e9ristiques structurelles\u00a0: Structure cristalline\u00a0: Calcium broy\u00e9 [\u2026]<\/p>","protected":false},"author":1,"featured_media":3452,"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-3451","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>Structure and Properties of Ground Calcium Carbonate (GCC)<\/title>\n<meta name=\"description\" content=\"Ground calcium carbonate (GCC) is an inorganic non-metallic powder produced from natural calcite, marble, limestone, and similar materials\" \/>\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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