{"id":16395,"date":"2026-04-17T09:02:13","date_gmt":"2026-04-17T09:02:13","guid":{"rendered":"https:\/\/www.quartz-grinding.com\/?p=16395"},"modified":"2026-04-17T09:02:17","modified_gmt":"2026-04-17T09:02:17","slug":"precision-quartz-grinding-how-a-jet-mill-and-air-classifier-deliver-d97-from-3-to-45-microns","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/fr\/precision-quartz-grinding-how-a-jet-mill-and-air-classifier-deliver-d97-from-3-to-45-microns\/","title":{"rendered":"Broyage de quartz de pr\u00e9cision\u00a0: comment un broyeur \u00e0 jet et un classificateur \u00e0 air permettent d\u2019obtenir du D97 de 3 \u00e0 45 microns"},"content":{"rendered":"<p>Le quartz est l&#039;un des min\u00e9raux industriels les plus transform\u00e9s, pourtant sa duret\u00e9 (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Mohs_scale\">Mohs<\/a> 7) et l&#039;abrasivit\u00e9 font du broyage fin un v\u00e9ritable d\u00e9fi technique. Pour les producteurs de poudre de quartz de haute puret\u00e9, l&#039;objectif n&#039;est pas simplement de r\u00e9duire la taille des particules, mais d&#039;obtenir une distribution granulom\u00e9trique \u00e9troite et reproductible sans introduire de contamination m\u00e9tallique.<\/p>\n\n\n\n<p>Chez EPIC Powder, nous avons con\u00e7u un syst\u00e8me de broyage et de classification r\u00e9pondant \u00e0 ces exigences. En combinant un broyeur \u00e0 jet \u00e0 lit fluidis\u00e9 avec un classificateur \u00e0 air de haute pr\u00e9cision, nous produisons de mani\u00e8re constante des fines de quartz \u00e0 partir de ces mat\u00e9riaux. <strong>D97 3 \u00b5m \u00e0 45 \u00b5m<\/strong>, avec une coupure nette \u00e0 <strong>D97 10 \u00b5m<\/strong> pour la fraction fine et <strong>D50 18 \u00b5m<\/strong> pour la fraction grossi\u00e8re. Tout ceci est r\u00e9alis\u00e9 \u00e0 un d\u00e9bit stable de <strong>800 kg\/h<\/strong>, ce qui rend la ligne adapt\u00e9e \u00e0 la fois \u00e0 la production sp\u00e9cialis\u00e9e et \u00e0 la production \u00e0 l&#039;\u00e9chelle industrielle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Pourquoi un broyeur \u00e0 jet est le bon choix pour le quartz<\/mark><\/h2>\n\n\n\n<p>Contrairement aux broyeurs \u00e0 boulets ou aux broyeurs \u00e0 marteaux, un <a href=\"https:\/\/www.quartz-grinding.com\/products-category\/horizontal-fluidized-bed-jet-mill\/\">broyeur \u00e0 jet \u00e0 lit fluidis\u00e9<\/a> Ce proc\u00e9d\u00e9 n&#039;utilise aucun m\u00e9dia de broyage mobile. L&#039;air comprim\u00e9 acc\u00e9l\u00e8re les particules de quartz \u00e0 grande vitesse, provoquant leur collision. Ce principe d&#039;auto-broyage offre deux avantages majeurs pour le traitement du quartz.<\/p>\n\n\n\n<p>Premi\u00e8rement, il y a <strong>aucun contact m\u00e9tal-particule<\/strong>Le risque de contamination par le fer est ainsi pratiquement \u00e9limin\u00e9. Pour la silice fondue de qualit\u00e9 \u00e9lectronique ou les charges d&#039;encapsulation de semi-conducteurs, il est essentiel de maintenir la teneur en Fe\u2082O\u2083 en dessous de 30 ppm, et un broyeur \u00e0 jet permet d&#039;atteindre cet objectif.<\/p>\n\n\n\n<p>Deuxi\u00e8mement, le broyage est remarquablement uniforme. Le temps de s\u00e9jour des particules dans la chambre de broyage est court, ce qui minimise le surbroyage. Par cons\u00e9quent, la distribution granulom\u00e9trique est naturellement plus abrupte qu&#039;avec un broyeur \u00e0 boulets. Avec un broyeur \u00e0 jet EPIC, vous pouvez obtenir une large gamme de finesses. <strong>D97 3 \u00b5m<\/strong> (tr\u00e8s fin) jusqu&#039;\u00e0 <strong>D97 45 \u00b5m<\/strong> (partie plus grossi\u00e8re), simplement en ajustant la pression de broyage et la vitesse du classificateur.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"http:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill.webp\" alt=\"moulin \u00e0 jet\" class=\"wp-image-16253\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill.webp 1000w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill-300x300.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill-100x100.webp 100w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill-768x768.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill-12x12.webp 12w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/jet-mill-600x600.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">          <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Le r\u00f4le crucial du classificateur d&#039;air<\/mark><\/h2>\n\n\n\n<p>Un broyeur \u00e0 jet peut \u00e0 lui seul broyer du quartz, mais sans un classificateur efficace, il est impossible de s\u00e9parer la fraction fine recherch\u00e9e des particules grossi\u00e8res. C&#039;est l\u00e0 que le classificateur \u00e0 air int\u00e9gr\u00e9 devient indispensable.<\/p>\n\n\n\n<p>Dans notre syst\u00e8me, le <a href=\"https:\/\/www.quartz-grinding.com\/products\/horizontal-air-classifier\/\">classificateur d&#039;air<\/a> Le proc\u00e9d\u00e9 fonctionne en circuit ferm\u00e9 avec le broyeur \u00e0 jet. Apr\u00e8s broyage, le mat\u00e9riau p\u00e9n\u00e8tre dans le classificateur, o\u00f9 des roues rotatives \u00e0 grande vitesse cr\u00e9ent un champ de force centrifuge. Les particules fines sont attir\u00e9es vers le centre et collect\u00e9es comme produit, tandis que les particules grossi\u00e8res sont renvoy\u00e9es dans la chambre de broyage pour un second passage.<\/p>\n\n\n\n<p>Cette configuration nous permet d&#039;obtenir un r\u00e9sultat tr\u00e8s <strong>s\u00e9paration nette<\/strong> au point de coupure cible. Pour une application typique sur quartz, nous configurons le classificateur pour produire\u00a0:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Flux de produits<\/th><th>Finesse cible<\/th><th>Cas d&#039;utilisation typique<\/th><\/tr><\/thead><tbody><tr><td>Fraction fine<\/td><td>D97 \u2264 10 \u00b5m<\/td><td>Encapsulation CEM, sous-remplissage de semi-conducteurs<\/td><\/tr><tr><td>Fraction grossi\u00e8re<\/td><td>D50 \u2248 18 \u00b5m<\/td><td>Stratifi\u00e9s pour circuits imprim\u00e9s, charges \u00e0 haute fluidit\u00e9, moulage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les deux fractions sont produites simultan\u00e9ment \u00e0 partir de la m\u00eame mati\u00e8re premi\u00e8re, ce qui permet au transformateur d&#039;obtenir deux produits commercialisables \u00e0 partir d&#039;une seule ligne de production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Aper\u00e7u des principaux param\u00e8tres techniques<\/mark><\/h2>\n\n\n\n<p>Le tableau suivant r\u00e9sume les sp\u00e9cifications de performance obtenues lors du broyage de quartz de haute puret\u00e9 (taille d&#039;alimentation &lt; 100 mesh, SiO\u2082 \u2265 99,5%) sur un syst\u00e8me de broyeur \u00e0 jet EPIC et de classificateur fonctionnant \u00e0 800 kg\/h.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tre<\/th><th>Valeur atteinte<\/th><\/tr><\/thead><tbody><tr><td>Plage de finesse de broyage (broyeur \u00e0 jet seul)<\/td><td>D97 3 \u2013 45 \u00b5m<\/td><\/tr><tr><td>Fraction fine apr\u00e8s classification<\/td><td>D97 \u2264 10 \u00b5m<\/td><\/tr><tr><td>Fraction grossi\u00e8re apr\u00e8s classification<\/td><td>D50 \u2248 18 \u00b5m<\/td><\/tr><tr><td>D\u00e9bit continu et stable<\/td><td>800 kg\/h<\/td><\/tr><tr><td>Teneur typique en fer (Fe\u2082O\u2083)<\/td><td>&lt; 30 ppm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ces valeurs ne sont pas des maximums th\u00e9oriques ; elles sont couramment obtenues lors des installations chez les clients en Europe et en Asie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Avantages pratiques des processeurs \u00e0 quartz<\/mark><\/h2>\n\n\n\n<p>Lorsque vous exploitez une ligne de broyage \u00e0 jet et de classification \u00e0 air \u00e0 800 kg\/h, les avantages \u00e9conomiques et techniques s&#039;accumulent rapidement.<\/p>\n\n\n\n<p><strong>Vous gagnez en flexibilit\u00e9 d&#039;application.<\/strong> La m\u00eame ligne de production peut aujourd&#039;hui fournir de la poudre D97 de 10 \u00b5m pour le march\u00e9 de l&#039;\u00e9lectronique et \u00eatre adapt\u00e9e demain pour produire de la poudre D97 de 25 \u00b5m destin\u00e9e aux charges pour peintures. Vous pouvez ainsi r\u00e9pondre aux besoins de plusieurs segments de client\u00e8le sans investir dans des machines suppl\u00e9mentaires.<\/p>\n\n\n\n<p><strong>Vous pr\u00e9servez la puret\u00e9 du produit.<\/strong> Gr\u00e2ce \u00e0 sa conception sans billes de broyage m\u00e9talliques et \u00e0 ses meules de classification prot\u00e9g\u00e9es contre l&#039;usure, la poudre de quartz finale est pratiquement exempte de contamination m\u00e9tallique. Il s&#039;agit d&#039;une exigence essentielle pour les applications \u00e9lectroniques et optiques de pointe.<\/p>\n\n\n\n<p><strong>Vous r\u00e9duisez vos co\u00fbts \u00e9nerg\u00e9tiques et d&#039;entretien.<\/strong> Un broyeur \u00e0 jet ne comporte ni m\u00e9dia de broyage \u00e0 remplacer, ni tamis \u00e0 d\u00e9boucher, ni marteaux \u00e0 rectifier. Les principales pi\u00e8ces d&#039;usure sont la roue de classification et la bague de buse, con\u00e7ues pour une longue dur\u00e9e de vie et un remplacement ais\u00e9. Compar\u00e9e \u00e0 un broyeur \u00e0 boulets produisant la m\u00eame finesse, une ligne de broyage \u00e0 jet consomme g\u00e9n\u00e9ralement de 20 \u00e0 300 tonnes d&#039;\u00e9nergie en moins par tonne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Applications typiques de la poudre de quartz produite<\/mark><\/h2>\n\n\n\n<p>Les deux flux de produits issus de ce syst\u00e8me desservent des march\u00e9s diff\u00e9rents mais d&#039;\u00e9gale valeur.<\/p>\n\n\n\n<p>Le <strong>fraction fine (D97 \u2264 10 \u00b5m)<\/strong> Ce mat\u00e9riau est id\u00e9al pour les compos\u00e9s de moulage \u00e9poxy (EMC) utilis\u00e9s dans l&#039;encapsulation des semi-conducteurs, ainsi que pour les mat\u00e9riaux de remplissage haute performance et certaines applications de rev\u00eatement optique. Dans ces applications, la fine poudre de quartz agit comme une charge fonctionnelle qui doit s&#039;\u00e9couler facilement et ne pas endommager les composants fragiles.<\/p>\n\n\n\n<p>Le <strong>fraction grossi\u00e8re (D50 \u2248 18 \u00b5m)<\/strong> Ce mat\u00e9riau est particuli\u00e8rement adapt\u00e9 aux stratifi\u00e9s pour circuits imprim\u00e9s (PCB), o\u00f9 une granulom\u00e9trie l\u00e9g\u00e8rement sup\u00e9rieure am\u00e9liore les propri\u00e9t\u00e9s di\u00e9lectriques et la r\u00e9sistance m\u00e9canique du circuit. Il est \u00e9galement utilis\u00e9 dans le moulage de c\u00e9ramiques et comme charge \u00e0 haute fluidit\u00e9 pour les adh\u00e9sifs industriels.<\/p>\n\n\n\n<p>Si vous avez besoin d&#039;un produit plus grossier, le syst\u00e8me peut \u00eatre ajust\u00e9 pour produire des valeurs D97 allant jusqu&#039;\u00e0 45 \u00b5m, couramment utilis\u00e9es dans les peintures, les rev\u00eatements et les mat\u00e9riaux de construction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Foire aux questions<\/mark><\/h2>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Q1 : Votre broyeur \u00e0 jet peut-il broyer du quartz jusqu&#039;\u00e0 D97 en dessous de 5 microns ?<\/mark><\/strong><\/p>\n\n\n\n<p>Oui. Le broyeur \u00e0 jet \u00e0 lit fluidis\u00e9 EPIC est capable d&#039;atteindre <strong>D97 aussi faible que 3 \u00b5m<\/strong> Lors du traitement du quartz de haute puret\u00e9, nous augmentons la pression de broyage \u00e0 8-9 bars et la vitesse de la meule de classification. Cependant, pour les valeurs D97 inf\u00e9rieures \u00e0 5 \u00b5m, nous recommandons une classification en deux \u00e9tapes, car elle permet d&#039;obtenir une distribution granulom\u00e9trique plus pr\u00e9cise et d&#039;\u00e9viter les pertes d&#039;efficacit\u00e9 li\u00e9es au broyage ultrafin en une seule \u00e9tape. Si votre objectif est syst\u00e9matiquement inf\u00e9rieur \u00e0 5 \u00b5m, veuillez nous contacter afin de discuter d&#039;une configuration personnalis\u00e9e.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Q2 : Comment \u00e9viter la contamination par le fer lors du broyage du quartz ?<\/mark><\/strong><\/p>\n\n\n\n<p>Notre syst\u00e8me pr\u00e9vient la contamination par le fer de deux mani\u00e8res. Premi\u00e8rement, le broyeur \u00e0 jet utilise un <strong>principe d&#039;auto-aff\u00fbtage<\/strong> Les particules entrent en collision entre elles, et non avec des surfaces m\u00e9talliques. De plus, toutes les pi\u00e8ces internes en contact avec le quartz, notamment la roue de classification et le rev\u00eatement de la chambre de broyage, sont soit en c\u00e9ramique, soit rev\u00eatues de mat\u00e9riaux r\u00e9sistants \u00e0 l&#039;usure. Par cons\u00e9quent, la teneur typique en Fe\u2082O\u2083 dans la poudre finale est de <strong>moins de 30 ppm<\/strong>, qui r\u00e9pond aux exigences des charges de quartz de qualit\u00e9 \u00e9lectronique et de qualit\u00e9 semi-conducteur.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Q3 : Puis-je produire \u00e0 la fois de la poudre de quartz fine et grossi\u00e8re \u00e0 partir de la m\u00eame ligne de production ?<\/mark><\/strong><\/p>\n\n\n\n<p>Absolument. C&#039;est l&#039;un des principaux avantages d&#039;un classificateur pneumatique int\u00e9gr\u00e9. Le classificateur s\u00e9pare en continu les mat\u00e9riaux broy\u00e9s en deux flux\u00a0: un <strong>fraction fine<\/strong> (D97 \u2264 10 \u00b5m) qui est collect\u00e9 comme produit principal, et un <strong>fraction grossi\u00e8re<\/strong> (D50 \u2248 18 \u00b5m) est collect\u00e9 s\u00e9par\u00e9ment comme sous-produit. \u00c0 un d\u00e9bit de 800 kg\/h, on obtient g\u00e9n\u00e9ralement 65% de poudre fine et 30% de poudre grossi\u00e8re, avec seulement 5% environ recycl\u00e9s. Cela g\u00e9n\u00e8re deux sources de revenus \u00e0 partir d&#039;une seule ligne de production, am\u00e9liorant consid\u00e9rablement la rentabilit\u00e9 globale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Conclusion<\/mark><\/h2>\n\n\n\n<p>Le broyage du quartz pour obtenir une granulom\u00e9trie pr\u00e9cise et reproductible ne signifie pas n\u00e9cessairement accepter la contamination ou un faible d\u00e9bit. Gr\u00e2ce \u00e0 un broyeur \u00e0 jet \u00e0 lit fluidis\u00e9 associ\u00e9 \u00e0 un classificateur pneumatique de haute pr\u00e9cision, EPIC Powder offre une solution alliant puret\u00e9, flexibilit\u00e9 et rendement \u00e0 l&#039;\u00e9chelle industrielle.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter 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=\"Pulv\u00e9risation ultra-fine de quartz\u00a0: Exp\u00e9rimentation d\u2019un broyeur \u00e0 jet haute performance par EPIC Powder Machinery\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/G_oJzJmuO_E?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<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">Poudre EPIC<\/mark><\/h2>\n\n\n\n<p>\u00c0 <a href=\"https:\/\/www.quartz-grinding.com\/\">Poudre \u00e9pique<\/a>Nous proposons une vaste gamme d&#039;\u00e9quipements et des solutions sur mesure pour r\u00e9pondre \u00e0 vos besoins sp\u00e9cifiques. Notre \u00e9quipe poss\u00e8de plus de 20 ans d&#039;exp\u00e9rience dans le traitement de diverses poudres. Epic Powder est sp\u00e9cialis\u00e9e dans les technologies de traitement des poudres fines pour les industries mini\u00e8re, chimique, agroalimentaire, pharmaceutique, etc.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.quartz-grinding.com\/contact-us\/\">Contactez-nous<\/a> Contactez-nous d\u00e8s aujourd&#039;hui pour une consultation gratuite et des solutions personnalis\u00e9es !<\/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=\"http:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327.webp\" alt=\"1634113936327\" class=\"wp-image-16246\" style=\"width:150px;height:150px\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327.webp 721w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327-300x300.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327-100x100.webp 100w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327-12x12.webp 12w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/12\/1634113936327-600x600.webp 600w\" 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 class=\"has-medium-font-size\">Merci de votre lecture. J&#039;esp\u00e8re que cet article vous sera utile. N&#039;h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Vous pouvez \u00e9galement contacter le service client en ligne d&#039;EPIC Powder. <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff6900\" class=\"has-inline-color\">Zelda<\/mark><\/strong> pour toute autre question.<\/p>\n<cite>                                                                                                                                                             \u2014 <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff6900\" class=\"has-inline-color\">Emily Chen<\/mark><\/strong>, <em>Ing\u00e9nieur<\/em><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>","protected":false},"excerpt":{"rendered":"<p>Le quartz est l&#039;un des min\u00e9raux industriels les plus transform\u00e9s, mais sa duret\u00e9 (7 sur l&#039;\u00e9chelle de Mohs) et son abrasivit\u00e9 font du broyage fin un v\u00e9ritable d\u00e9fi technique. Pour les producteurs de poudre de quartz de haute puret\u00e9, [\u2026]<\/p>","protected":false},"author":1,"featured_media":16253,"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":[215,214,213],"class_list":["post-16395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-quartz-classification","tag-jet-mill-for-quartz","tag-quartz-grinding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Precision Quartz Grinding: How a Jet Mill and Air Classifier Deliver D97 from 3 to 45 Microns - Silica powder (ultrafine quartz powder) processing expert<\/title>\n<meta name=\"description\" content=\"EPIC&#039;s quartz grinding jet mill with air classifier delivers D97 3\u201145\u00b5m powder. 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