{"id":3599,"date":"2025-12-29T15:32:14","date_gmt":"2025-12-29T07:32:14","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3599"},"modified":"2026-03-19T15:14:01","modified_gmt":"2026-03-19T07:14:01","slug":"is-your-quartz-powder-whiteness-insufficient-could-the-wrong-grinding-liner-be-the-real-cause","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/fr\/is-your-quartz-powder-whiteness-insufficient-could-the-wrong-grinding-liner-be-the-real-cause\/","title":{"rendered":"La blancheur de votre poudre de quartz est-elle insuffisante\u00a0? Un manchon de broyage inadapt\u00e9 pourrait-il en \u00eatre la cause\u00a0?"},"content":{"rendered":"<p>La poudre de quartz est une mati\u00e8re premi\u00e8re industrielle importante. Elle est largement utilis\u00e9e dans la fabrication du verre, de la c\u00e9ramique, des dalles de pierre de quartz reconstitu\u00e9e, des rev\u00eatements, des emballages \u00e9lectroniques et dans d&#039;autres domaines. L&#039;un de ses principaux indicateurs de qualit\u00e9 est sa blancheur, notamment sa blancheur sous lumi\u00e8re bleue et sa blancheur apr\u00e8s cuisson. Une poudre de quartz de haute blancheur pr\u00e9sente g\u00e9n\u00e9ralement une valeur sup\u00e9rieure \u00e0 95, voire plus.<\/p>\n\n\n\n<p>La blancheur influe directement sur l&#039;aspect, la transmission de la lumi\u00e8re et la qualit\u00e9 globale du produit final. Par exemple, dans la production de dalles de quartz reconstitu\u00e9, une blancheur insuffisante peut entra\u00eener un jaunissement ou des variations de couleur, ce qui nuit consid\u00e9rablement \u00e0 la comp\u00e9titivit\u00e9 du produit.<\/p>\n\n\n\n<p>Face \u00e0 un faible degr\u00e9 de blancheur, de nombreux producteurs de poudre de quartz examinent en premier lieu la qualit\u00e9 du minerai brut, les proc\u00e9d\u00e9s d&#039;\u00e9limination du fer ou la purification par lixiviation acide. Cependant, un facteur crucial est souvent n\u00e9glig\u00e9\u00a0: le choix du mat\u00e9riau de rev\u00eatement des broyeurs.<\/p>\n\n\n\n<p>Surtout dans <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/ball-mill\/\">broyeurs \u00e0 boulets<\/a> ou <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/\">broyage ultrafin <\/a>\u00c0 ces diff\u00e9rentes \u00e9tapes, les rev\u00eatements sont en contact direct avec le mat\u00e9riau et les billes de broyage. Un mauvais choix du mat\u00e9riau de rev\u00eatement peut facilement entra\u00eener l&#039;introduction d&#039;impuret\u00e9s et une baisse de la blancheur.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"471\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/High-purity-quartz-sand.webp\" alt=\"Sable de quartz de haute puret\u00e9\" class=\"wp-image-3569\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/High-purity-quartz-sand.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/High-purity-quartz-sand-300x177.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/High-purity-quartz-sand-768x452.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/High-purity-quartz-sand-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Sable de quartz de haute puret\u00e9<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Principales causes de la blancheur insuffisante de la poudre de quartz<\/h2>\n\n\n\n<p>La blancheur de la poudre de quartz est principalement influenc\u00e9e par les facteurs suivants\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>impuret\u00e9s des mati\u00e8res premi\u00e8res<\/strong><br>Les fortes teneurs en fer, en titane et en aluminium dans le minerai sont les causes les plus fr\u00e9quentes.<br>Lorsque Fe\u2082O\u2083 d\u00e9passe 0,02%, la blancheur diminue de mani\u00e8re significative.<\/li>\n\n\n\n<li><strong>Contamination li\u00e9e au proc\u00e9d\u00e9<\/strong><br>Cela inclut une s\u00e9paration magn\u00e9tique incompl\u00e8te, un lavage acide insuffisant et une classification ou une \u00e9limination des impuret\u00e9s inad\u00e9quate.<\/li>\n\n\n\n<li><strong>Contamination par le fer introduite lors du broyage<\/strong><br>Il s&#039;agit d&#039;un \u00ab tueur cach\u00e9 \u00bb souvent n\u00e9glig\u00e9.<br>Lors du broyage \u00e0 billes, \u00e0 sec ou par voie humide, l&#039;usure des billes de broyage (billes d&#039;acier) et des rev\u00eatements lib\u00e8re des ions de fer. Ces derniers contaminent la poudre, entra\u00eenant une diminution de sa blancheur et m\u00eame une coloration grise ou jaune.<\/li>\n\n\n\n<li><strong>Autres facteurs<\/strong><br>Une distribution granulom\u00e9trique in\u00e9gale, une temp\u00e9rature de s\u00e9chage excessive ou un contr\u00f4le inad\u00e9quat de l&#039;humidit\u00e9 peuvent \u00e9galement affecter indirectement la blancheur.<\/li>\n<\/ol>\n\n\n\n<p>Parmi ces facteurs, la contamination par le fer lors du broyage est le plus direct, le plus contr\u00f4lable, et pourtant le plus souvent n\u00e9glig\u00e9.<br>Les broyeurs \u00e0 boulets traditionnels utilisent souvent des rev\u00eatements en acier \u00e0 haute teneur en mangan\u00e8se ou en fonte \u00e0 haute teneur en chrome. Bien que r\u00e9sistants aux chocs, ces rev\u00eatements s&#039;usent facilement. Le fer lib\u00e9r\u00e9 augmente la teneur en Fe\u2082O\u2083 et peut r\u00e9duire la blancheur de 5 \u00e0 10 points.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le choix d&#039;une mauvaise chemise de rectification est-il l&#039;une des principales raisons\u00a0?<\/h2>\n\n\n\n<p>Oui. Dans de nombreux cas, un mauvais choix de doublure est la cause directe d&#039;une blancheur insuffisante.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rev\u00eatements m\u00e9talliques (acier \u00e0 haute teneur en mangan\u00e8se, fonte \u00e0 haute teneur en chrome)<\/strong><br>Ces rev\u00eatements pr\u00e9sentent une bonne r\u00e9sistance \u00e0 l&#039;usure. Cependant, lors du broyage de quartz de haute duret\u00e9 (duret\u00e9 Mohs 7), les rev\u00eatements et les billes d&#039;acier s&#039;usent continuellement.<br>Cela introduit des impuret\u00e9s de fer. Dans les chambres de broyage fin, la contamination par le fer s&#039;accumule au fil du temps, ce qui entra\u00eene une blancheur instable.<\/li>\n\n\n\n<li><strong>Rev\u00eatements en pierre de silice ordinaire<\/strong><br>Ce sont des solutions \u00e9conomiques. Cependant, si la teneur en SiO\u2082 est inf\u00e9rieure \u00e0 98% ou si la couleur est fonc\u00e9e (gris clair), elles peuvent l\u00e9g\u00e8rement alt\u00e9rer la teinte des produits de haute blancheur.<\/li>\n\n\n\n<li><strong>Correspondance des m\u00e9dias incorrecte<\/strong><br>L&#039;utilisation de billes d&#039;acier au lieu de billes de c\u00e9ramique augmente consid\u00e9rablement la contamination par le fer.<\/li>\n<\/ul>\n\n\n\n<p>Dans des cas de production r\u00e9els, certaines entreprises ont signal\u00e9 qu&#039;apr\u00e8s le remplacement des rev\u00eatements, la blancheur du produit \u00e9tait pass\u00e9e de 88 \u00e0 plus de 95. La qualit\u00e9 du produit a \u00e9t\u00e9 imm\u00e9diatement am\u00e9lior\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment choisir le bon rev\u00eatement de meulage pour \u00e9viter la perte de blancheur<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"615\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-liner.webp\" alt=\"Rev\u00eatement en c\u00e9ramique\" class=\"wp-image-3438\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-liner.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-liner-300x231.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-liner-768x590.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-liner-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Pour la production de poudre de quartz de haute blancheur, le choix du rev\u00eatement doit \u00eatre prioritaire. <strong>absence de contamination par le fer, r\u00e9sistance \u00e0 l&#039;usure et haute puret\u00e9<\/strong>Les solutions recommand\u00e9es comprennent\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Rev\u00eatements c\u00e9ramiques (rev\u00eatements en c\u00e9ramique d&#039;alumine ou en corindon)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avantages :<\/strong><br>Duret\u00e9 extr\u00eamement \u00e9lev\u00e9e (Mohs 9), excellente r\u00e9sistance \u00e0 l&#039;usure, aucune contamination par le fer et couleur blanche pure ou claire.<br>Ces doublures optimisent la protection de la blancheur et de la puret\u00e9 du produit.<\/li>\n\n\n\n<li><strong>Applications :<\/strong><br>Poudre de quartz ultrafine (sup\u00e9rieure \u00e0 325 mesh) et poudre de quartz de haute puret\u00e9.<\/li>\n\n\n\n<li><strong>Recommandation:<\/strong><br>Utilisez des billes en c\u00e9ramique comme m\u00e9dia de broyage pour former un syst\u00e8me de broyage \u00e0 billes enti\u00e8rement en c\u00e9ramique.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Rev\u00eatements en pierre de silice de haute puret\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avantages :<\/strong><br>Teneur en SiO\u2082 sup\u00e9rieure \u00e0 98%, couleur claire, impact minimal sur la blancheur.<br>Moins co\u00fbteux que les rev\u00eatements en c\u00e9ramique, bonne r\u00e9sistance \u00e0 l&#039;usure et une dur\u00e9e de vie de 3 \u00e0 4 ans.<\/li>\n\n\n\n<li><strong>Applications :<\/strong><br>Sable ou poudre de quartz raffin\u00e9 dans la gamme 300\u2013600 mesh.<br>Une option offrant un excellent rapport qualit\u00e9-prix.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Rev\u00eatements en caoutchouc ou en polyur\u00e9thane<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avantages :<\/strong><br>R\u00e9duction des vibrations et du bruit, conception l\u00e9g\u00e8re.<br>Cependant, la r\u00e9sistance \u00e0 l&#039;usure est relativement plus faible.<\/li>\n\n\n\n<li><strong>Applications :<\/strong><br>Broyage humide ou conditions de fonctionnement \u00e0 faible impact.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Mesures d&#039;optimisation suppl\u00e9mentaires<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utilisez des classificateurs \u00e0 air ou des broyeurs \u00e0 agitation humide pour \u00e9viter la contamination par le fer issue du broyage \u00e0 billes traditionnel.<\/li>\n\n\n\n<li>Inspectez r\u00e9guli\u00e8rement l&#039;usure des rev\u00eatements et remplacez-les \u00e0 temps.<\/li>\n\n\n\n<li>Combiner la s\u00e9paration magn\u00e9tique et la lixiviation acide dans les proc\u00e9d\u00e9s d&#039;\u00e9limination du fer en plusieurs \u00e9tapes.<br>S&#039;assurer que Fe\u2082O\u2083 \u2264 0,007%.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/contact\/\">Conclusion<\/a>Le bon liner fait toute la diff\u00e9rence<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"749\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-lining-for-air-jet-mill.webp\" alt=\"Rev\u00eatement c\u00e9ramique pour broyeur \u00e0 jet d&#039;air\" class=\"wp-image-3526\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-lining-for-air-jet-mill.webp 750w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-lining-for-air-jet-mill-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-lining-for-air-jet-mill-150x150.webp 150w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Ceramic-lining-for-air-jet-mill-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>Le manque de blancheur de la poudre de quartz n&#039;est pas toujours d\u00fb aux mati\u00e8res premi\u00e8res. Dans de nombreux cas, le rev\u00eatement du broyeur constitue le v\u00e9ritable goulot d&#039;\u00e9tranglement.<\/p>\n\n\n\n<p>Dans la qu\u00eate actuelle d&#039;une blancheur et d&#039;une puret\u00e9 \u00e9lev\u00e9es, l&#039;utilisation syst\u00e9matique de rev\u00eatements m\u00e9talliques traditionnels n&#039;est plus appropri\u00e9e. Les fabricants doivent privil\u00e9gier les rev\u00eatements en c\u00e9ramique ou en silice de haute puret\u00e9 en fonction du positionnement du produit, qu&#039;il s&#039;agisse de poudres standard ou de charges de pierre reconstitu\u00e9e haut de gamme.<\/p>\n\n\n\n<p>Le choix du bon rev\u00eatement stabilise la blancheur, am\u00e9liore la valeur du produit et r\u00e9duit les co\u00fbts d&#039;entretien \u00e0 long terme.<br>Si votre ligne de production de poudre de quartz rencontre des probl\u00e8mes de blancheur, commencez par v\u00e9rifier le rev\u00eatement. Un simple changement de mat\u00e9riau peut souvent apporter des am\u00e9liorations consid\u00e9rables.<\/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 loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3549\" style=\"width:150px;height:150px\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/quartz-grinding.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&#039;esp\u00e8re que cet article vous a \u00e9t\u00e9 utile. N&#039;h\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\/3599#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\/3599#wpcf7-f16-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.6\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/div>\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: 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=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>La poudre de quartz est une mati\u00e8re premi\u00e8re industrielle importante. Elle est largement utilis\u00e9e dans la fabrication du verre, de la c\u00e9ramique, des dalles de pierre de quartz reconstitu\u00e9e, des rev\u00eatements, des emballages \u00e9lectroniques et dans d&#039;autres domaines. L&#039;un de ses principaux indicateurs de qualit\u00e9 est la blancheur, notamment la blancheur \u00e0 la lumi\u00e8re bleue et la blancheur apr\u00e8s cuisson. Une poudre de quartz de haute blancheur pr\u00e9sente g\u00e9n\u00e9ralement une valeur sup\u00e9rieure \u00e0 95, voire plus. La blancheur influe directement sur [\u2026]<\/p>","protected":false},"author":1,"featured_media":3600,"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 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":[6],"tags":[],"class_list":["post-3599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-powder-grinding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Is Your Quartz Powder Whiteness Insufficient? 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