{"id":3725,"date":"2025-11-19T15:03:23","date_gmt":"2025-11-19T07:03:23","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3725"},"modified":"2026-03-20T15:09:53","modified_gmt":"2026-03-20T07:09:53","slug":"which-is-more-suitable-for-plastics-light-calcium-or-heavy-calcium","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/which-is-more-suitable-for-plastics-light-calcium-or-heavy-calcium\/","title":{"rendered":"Quel est le plus adapt\u00e9 aux plastiques : le calcium l\u00e9ger ou le calcium lourd ?"},"content":{"rendered":"<p>Parmi les nombreux mat\u00e9riaux de charge et de modification utilis\u00e9s dans l&#039;industrie des plastiques, <a href=\"http:\/\/calcium carbonate\">carbonate de calcium<\/a> Il occupe une place irrempla\u00e7able. On le divise g\u00e9n\u00e9ralement en carbonate de calcium lourd et carbonate de calcium l\u00e9ger. Ceci soul\u00e8ve une question importante pour les formulateurs de mati\u00e8res plastiques\u00a0:<br>Quel est le plus adapt\u00e9 aux produits en plastique : le calcium l\u00e9ger ou le calcium lourd ?<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"725\" height=\"643\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp\" alt=\"carbonate de calcium lourd\" class=\"wp-image-3085\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp 725w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-300x266.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-14x12.webp 14w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comprendre la diff\u00e9rence entre <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">Calcium lourd<\/a> et du calcium l\u00e9ger<\/h2>\n\n\n\n<p>Certains techniciens les classent par <strong>volume de s\u00e9dimentation<\/strong> (en utilisant l&#039;\u00e9thanol anhydre comme milieu) :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Carbonate de calcium l\u00e9ger :<\/strong> &gt;2,5 mL\/g<\/li>\n\n\n\n<li><strong>Carbonate de calcium lourd :<\/strong> 1,2\u20131,9 mL\/g<\/li>\n<\/ul>\n\n\n\n<p>Cependant, la diff\u00e9rence essentielle r\u00e9side dans le processus de production\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/ball-mill-air-classifier-production-line-pin-mill-surface-coating-system-installation-site-in-indian\/\">carbonate de calcium lourd<\/a><\/strong> est obtenu par concassage et classification m\u00e9caniques du minerai naturel.<\/li>\n\n\n\n<li><strong>carbonate de calcium l\u00e9ger<\/strong> est produit par calcination, hydratation et recarbonatation.<\/li>\n<\/ul>\n\n\n\n<p>On croit souvent, \u00e0 tort, que le calcium l\u00e9ger est \u00ab plus l\u00e9ger \u00bb parce qu\u2019\u00e0 poids \u00e9gal, il occupe un volume plus important. En r\u00e9alit\u00e9, les densit\u00e9s r\u00e9elles des deux mat\u00e9riaux sont tr\u00e8s proches\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calcium lourd : <strong>2,6\u20132,9 g\/cm\u00b3<\/strong><\/li>\n\n\n\n<li>Calcium l\u00e9ger : <strong>2,4\u20132,6 g\/cm\u00b3<\/strong><br>La diff\u00e9rence de densit\u00e9 apparente provient de leurs structures et de leurs teneurs en vides diff\u00e9rentes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Diff\u00e9rences de performance entre le caoutchouc et les plastiques<\/h2>\n\n\n\n<p>Dans les applications du caoutchouc, des tests comparatifs montrent que, dans des conditions de remplissage et de traitement identiques\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le calcium lourd se disperse plus facilement et se m\u00e9lange plus uniform\u00e9ment.<\/li>\n\n\n\n<li>Les produits \u00e0 forte teneur en calcium pr\u00e9sentent une r\u00e9sistance \u00e0 la traction plus \u00e9lev\u00e9e, mais aussi un retrait plus important et des surfaces plus rugueuses.<\/li>\n\n\n\n<li>Le calcium lourd de granulom\u00e9trie 400 mesh utilis\u00e9 co\u00fbte seulement la moiti\u00e9 du calcium l\u00e9ger utilis\u00e9 \u00e0 titre de comparaison, ce qui repr\u00e9sente des avantages \u00e9conomiques importants.<\/li>\n<\/ul>\n\n\n\n<p>La situation est similaire pour les mati\u00e8res plastiques. Les fabricants indiquent que le remplacement du calcium l\u00e9ger par du calcium lourd de granulom\u00e9trie 400 mesh est tr\u00e8s avantageux pour les produits vendus au poids. Cependant, pour les produits vendus \u00e0 la longueur, \u00e0 la surface ou \u00e0 l&#039;unit\u00e9, cet avantage diminue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Point de vue technique\u00a0: Pourquoi leurs performances diff\u00e8rent-elles\u00a0?<\/h2>\n\n\n\n<p>Le calcium lourd et le calcium l\u00e9ger diff\u00e8rent par de multiples propri\u00e9t\u00e9s mat\u00e9rielles\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>structure cristalline<\/li>\n\n\n\n<li>Surface sp\u00e9cifique<\/li>\n\n\n\n<li>valeur d&#039;absorption d&#039;huile<\/li>\n\n\n\n<li>Forme et distribution granulom\u00e9trique des particules<\/li>\n<\/ul>\n\n\n\n<p>M\u00eame \u00e0 une granulom\u00e9trie de \u00ab\u00a0400 mesh\u00a0\u00bb, les caract\u00e9ristiques des particules des deux types diff\u00e8rent consid\u00e9rablement. Dans le cas des plastiques, les questions cl\u00e9s sont les suivantes\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les particules existent-elles individuellement ou sous forme d&#039;agr\u00e9gats l\u00e2ches dans la matrice polym\u00e8re\u00a0?<\/li>\n\n\n\n<li>Quelle est l&#039;interaction interfaciale entre les particules de CaCO\u2083 et les cha\u00eenes polym\u00e8res ?<br>Ces facteurs microstructuraux ont un impact direct sur les propri\u00e9t\u00e9s m\u00e9caniques du plastique.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Quel type de calcium choisir\u00a0: le calcium lourd ou le calcium l\u00e9ger\u00a0?<\/h2>\n\n\n\n<p>Il n&#039;existe pas de r\u00e9ponse universelle. Le choix optimal d\u00e9pend de\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>exigences mat\u00e9rielles<\/li>\n\n\n\n<li>Sp\u00e9cifications du produit<\/li>\n\n\n\n<li>Conditions de processus<\/li>\n\n\n\n<li>Consid\u00e9rations relatives au rapport co\u00fbt-performance<\/li>\n<\/ul>\n\n\n\n<p>Dans de nombreux cas, la bonne approche consiste \u00e0 tirer parti des avantages distincts des deux types plut\u00f4t que de privil\u00e9gier strictement l&#039;un par rapport \u00e0 l&#039;autre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples d&#039;application<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"801\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application.webp\" alt=\"Application de carbonate de calcium\" class=\"wp-image-3565\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application-768x769.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/Calcium-carbonate-application-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Cuir artificiel en PVC<\/h3>\n\n\n\n<p>Le cuir artificiel en PVC peut \u00eatre produit par enduction au couteau, calandrage ou extrusion.<br>Le rev\u00eatement au couteau utilise une r\u00e9sine PVC en p\u00e2te et n\u00e9cessite des niveaux \u00e9lev\u00e9s de plastifiant.<\/p>\n\n\n\n<p>Le calcium l\u00e9ger ayant une capacit\u00e9 d&#039;absorption d&#039;huile 4 \u00e0 5 fois sup\u00e9rieure \u00e0 celle du calcium lourd, son utilisation n\u00e9cessite une quantit\u00e9 bien plus importante de plastifiant pour obtenir la m\u00eame flexibilit\u00e9.<br>Dans de tels cas, le remplacement du calcium l\u00e9ger par du calcium lourd peut r\u00e9duire consid\u00e9rablement les co\u00fbts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sacs tiss\u00e9s en polypropyl\u00e8ne, sangles et films mono-orient\u00e9s<\/h3>\n\n\n\n<p>Dans les produits \u00e9tirables unidirectionnels, les charges de calcium lourdes et l\u00e9g\u00e8res pr\u00e9sentent des performances d&#039;allongement similaires. Les recherches montrent que les particules de charge restent g\u00e9n\u00e9ralement coinc\u00e9es dans les interstices entre les macromol\u00e9cules de polym\u00e8re pendant l&#039;\u00e9tirage\u00a0; apr\u00e8s un refroidissement rapide, la structure se fige.<\/p>\n\n\n\n<p>Comme les densit\u00e9s r\u00e9elles du calcium l\u00e9ger et du calcium lourd sont presque identiques, ils produisent des longueurs d&#039;\u00e9tirement similaires.<br>Cependant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le calcium lourd offre une meilleure fluidit\u00e9 de traitement.<\/li>\n\n\n\n<li>Le calcium lourd est beaucoup moins cher<\/li>\n<\/ul>\n\n\n\n<p>Ainsi, le calcium lourd domine dans cette cat\u00e9gorie de produits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9veloppement futur\u00a0: Comment <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Augmenter la teneur en carbonate de calcium <\/a>Utilisation dans les plastiques<\/h2>\n\n\n\n<p>Le carbonate de calcium est devenu une mati\u00e8re premi\u00e8re essentielle dans l&#039;industrie des plastiques. L&#039;essor de la fili\u00e8re CaCO\u2083 offre davantage de possibilit\u00e9s et contribue \u00e0 l&#039;\u00e9volution des mat\u00e9riaux polym\u00e8res. Parall\u00e8lement, son succ\u00e8s dans le domaine des plastiques oriente les progr\u00e8s futurs des technologies li\u00e9es au carbonate de calcium.<\/p>\n\n\n\n<p>Pour que l&#039;industrie du carbonate de calcium puisse progresser, les fabricants doivent non seulement fournir du CaCO\u2083 de haute qualit\u00e9, mais aussi\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e9velopper de nouveaux mat\u00e9riaux plastiques incorporant le CaCO\u2083 comme composant majeur<\/li>\n\n\n\n<li>Cr\u00e9ez des produits innovants et adapt\u00e9s aux applications, plut\u00f4t que de simplement vendre des qualit\u00e9s standard et d&#039;attendre que les transformateurs de mati\u00e8res plastiques s&#039;adaptent.<\/li>\n<\/ul>\n\n\n\n<p>Ce n\u2019est qu\u2019en int\u00e9grant le d\u00e9veloppement des mat\u00e9riaux et l\u2019innovation en mati\u00e8re d\u2019applications que le carbonate de calcium pourra continuer \u00e0 \u00e9tendre son r\u00f4le dans les polym\u00e8res modernes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3708\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab Merci de votre lecture. J\u2019esp\u00e8re que cet article vous sera utile. N\u2019h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Pour toute question, vous pouvez \u00e9galement contacter le service client en ligne de Zelda. \u00bb<\/p>\n<cite>                                                                                                                                                                            \u2014 Publi\u00e9 par <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Emily Chen<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\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\/3725#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\/3725#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<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=\"Ligne de production de broyeurs \u00e0 boulets et de classificateurs pour carbonate de calcium en Inde - EPIC Powder Tech\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/nTl3U0ixPsY?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><\/p>","protected":false},"excerpt":{"rendered":"<p>Parmi les nombreuses charges et agents de modification utilis\u00e9s dans l&#039;industrie des plastiques, le carbonate de calcium occupe une place irrempla\u00e7able. On le distingue g\u00e9n\u00e9ralement en carbonate de calcium lourd et carbonate de calcium l\u00e9ger. Ceci soul\u00e8ve une question importante pour les formulateurs de plastiques\u00a0: lequel est le plus adapt\u00e9 aux produits plastiques, le carbonate de calcium l\u00e9ger ou le carbonate de calcium lourd\u00a0? Comprendre la diff\u00e9rence entre le carbonate de calcium lourd et le carbonate de calcium l\u00e9ger [\u2026]<\/p>","protected":false},"author":1,"featured_media":3592,"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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