{"id":3788,"date":"2026-08-26T13:11:45","date_gmt":"2026-08-26T05:11:45","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3788"},"modified":"2026-08-26T13:11:48","modified_gmt":"2026-08-26T05:11:48","slug":"what-are-the-different-purity-requirements-for-quartz-raw-materials-for-different-applications","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/fr\/what-are-the-different-purity-requirements-for-quartz-raw-materials-for-different-applications\/","title":{"rendered":"Quelles sont les diff\u00e9rentes exigences de puret\u00e9 des mati\u00e8res premi\u00e8res de quartz pour diff\u00e9rentes applications ?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">En tant que mati\u00e8re premi\u00e8re min\u00e9rale industrielle importante,<a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/\"> quartz<\/a> Le quartz est largement utilis\u00e9 dans les secteurs industriels traditionnels (verre, c\u00e9ramique, mat\u00e9riaux r\u00e9fractaires) et de haute technologie (militaire, \u00e9lectronique, t\u00e9l\u00e9communications). Sa puret\u00e9, c&#039;est-\u00e0-dire sa teneur en SiO\u2082, influe directement sur les performances et les applications des produits finaux. Les industries traditionnelles, comme celles du verre ordinaire et des mat\u00e9riaux de construction, ont des exigences relativement faibles en mati\u00e8re de puret\u00e9 des mati\u00e8res premi\u00e8res. En revanche, les produits de pr\u00e9cision et de haute performance, tels que les mat\u00e9riaux de t\u00e9l\u00e9communications et les creusets en quartz, requi\u00e8rent des mati\u00e8res premi\u00e8res de quartz de haute puret\u00e9, voire d&#039;ultra-haute puret\u00e9. De plus, ces applications exigent un contr\u00f4le pr\u00e9cis de la teneur en certains \u00e9l\u00e9ments traces dans le quartz.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Nom du produit<\/strong><\/td><td><strong>Sp\u00e9cifications (maille)<\/strong><\/td><td><strong>Fraction massique w(SiO2\u200b)%<\/strong><\/td><td><strong>Fraction massique w(Fe2\u200bO3\u200b)\u00d710\u22126<\/strong><\/td><td><strong>Principales applications<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Sable de quartz d&#039;ultra-haute puret\u00e9<\/strong><\/td><td>40~70 70~140<\/td><td>99.99<\/td><td>&lt;2<\/td><td>Verre de quartz de haute qualit\u00e9<\/td><\/tr><tr><td><strong>Sable de quartz de haute puret\u00e9<\/strong><\/td><td>40~70 70~140<\/td><td>99.98<\/td><td>2<\/td><td>1. Mat\u00e9riaux isolants pour composants \u00e9lectroniques<br><br>2. Encapsulation pour circuits int\u00e9gr\u00e9s \u00e0 grande \u00e9chelle (poudre de silice)<\/td><\/tr><tr><td><strong>Sable de quartz de haute puret\u00e9<\/strong><\/td><td>40~70 70~140<\/td><td>99.96<\/td><td>&lt;5<\/td><td>3. Verre de quartz opaque, etc.<br><br>4. Verre optique de haute qualit\u00e9<\/td><\/tr><tr><td><strong>Sable de quartz de haute puret\u00e9<\/strong><\/td><td>40~70 70~140<\/td><td>99.90<\/td><td>&lt;10<\/td><td>5. Mati\u00e8res chimiques telles que le silicate de potassium, le silicate de sodium, etc.<\/td><\/tr><tr><td><strong>Sable de quartz raffin\u00e9<\/strong><\/td><td>Complet \/ Toutes tailles<\/td><td>99.6<\/td><td>&lt;200<\/td><td>Verre optique, verre pour instruments, etc.<\/td><\/tr><tr><td><strong>Sable de quartz ordinaire<\/strong><\/td><td>Complet \/ Toutes tailles<\/td><td>&gt;96<\/td><td>&lt;500<\/td><td>Verre ordinaire, fonderie, mat\u00e9riaux r\u00e9fractaires<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>                                                                                                         Produits et sp\u00e9cifications du sable de quartz<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/Quartz2.webp\" alt=\"Quartz2\" class=\"wp-image-3289\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/Quartz2.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/Quartz2-300x225.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/Quartz2-768x576.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/Quartz2-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie du verre<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;industrie verri\u00e8re est une grande consommatrice de quartz. Ce dernier conf\u00e8re au verre silicat\u00e9 et \u00e0 ses produits d\u00e9riv\u00e9s d&#039;excellentes propri\u00e9t\u00e9s, telles que la transparence, la r\u00e9sistance m\u00e9canique et la stabilit\u00e9 chimique. La teneur en SiO\u2082 de la mati\u00e8re premi\u00e8re influe consid\u00e9rablement sur les performances des produits en verre silicat\u00e9. Dans la composition du verre silicat\u00e9 ordinaire, le SiO\u2082 repr\u00e9sente g\u00e9n\u00e9ralement entre 65 et 75 % (TP3T). Le verre flott\u00e9 moderne exige g\u00e9n\u00e9ralement que la mati\u00e8re premi\u00e8re de quartz contienne plus de 96 % (TP3T) de SiO\u2082, moins de 2 % (TP3T) d&#039;Al\u2082O\u2083, entre 0,01 et 0,1 % (TP3T) de Fe\u2082O\u2083 et que la granulom\u00e9trie soit d&#039;environ 0,4 mm. La proportion de particules sup\u00e9rieures \u00e0 0,5 mm et inf\u00e9rieures \u00e0 0,1 mm ne doit pas d\u00e9passer 5 % (TP3T).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les verres haut de gamme, tels que les verres sp\u00e9ciaux, les verres plats de haute qualit\u00e9 et les verres optiques de pr\u00e9cision, sont soumis \u00e0 des exigences plus strictes quant \u00e0 la composition chimique des mati\u00e8res premi\u00e8res en quartz. La teneur en SiO\u2082 doit \u00eatre sup\u00e9rieure \u00e0 991\u00a0TP3T, celle en Fe\u2082O\u2083 inf\u00e9rieure \u00e0 0,051\u00a0TP3T\u20130,11\u00a0TP3T, et celles en Al\u2082O\u2083 et TiO\u2082 inf\u00e9rieures respectivement \u00e0 0,51\u00a0TP3T\u20132,01\u00a0TP3T et \u00e0 0,051\u00a0TP3T.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les exigences de puret\u00e9 des mati\u00e8res premi\u00e8res en quartz utilis\u00e9es dans diff\u00e9rents produits verriers varient d&#039;un pays \u00e0 l&#039;autre, et m\u00eame d&#039;une entreprise \u00e0 l&#039;autre au sein d&#039;un m\u00eame pays.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exigences de puret\u00e9 des mati\u00e8res premi\u00e8res de quartz pour la fabrication du verre dans les principaux pays du monde\u00a0:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Pays<\/strong><\/td><td><strong>Type de verre<\/strong><\/td><td><strong>SiO2<\/strong><\/td><td><strong>Fe2O3<\/strong><\/td><td><strong>Cr2O3<\/strong><\/td><td><strong>TiO2<\/strong><\/td><td><strong>Al2O3<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>USA<\/strong><\/td><td>Optique<\/td><td>99.8<\/td><td>0.02<\/td><td><\/td><td><\/td><td>&lt;0,1<\/td><\/tr><tr><td><\/td><td>Plat<\/td><td>&gt;98,5<\/td><td>&lt;0,35<\/td><td><\/td><td>&lt;0,2<\/td><td>&lt;0,5<\/td><\/tr><tr><td><strong>Japon<\/strong><\/td><td>Optique de grade 1<\/td><td>99.8<\/td><td>0.02<\/td><td><\/td><td><\/td><td>0.1<\/td><\/tr><tr><td><\/td><td>Plat<\/td><td>&gt;97<\/td><td>&lt;0,06<\/td><td><\/td><td><\/td><td>&gt;0,1<\/td><\/tr><tr><td><strong>ROYAUME-UNI<\/strong><\/td><td>Optique haut de gamme<\/td><td>99.5<\/td><td>0.008<\/td><td>0.0001<\/td><td>0.03<\/td><td><\/td><\/tr><tr><td><\/td><td>Plat<\/td><td>&gt;98,5<\/td><td>&lt;0,03<\/td><td>&lt;0,0005<\/td><td>&lt;0,5<\/td><td>&lt;0,5<\/td><\/tr><tr><td><strong>Chine<\/strong><\/td><td>Verre sp\u00e9cial<\/td><td>&gt;99,5<\/td><td>&gt;0,05<\/td><td>&lt;0,001<\/td><td>&lt;0,05<\/td><td>&lt;0,5<\/td><\/tr><tr><td><\/td><td>Plat<\/td><td>&gt;98,5<\/td><td>&lt;0,1<\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le verre de quartz utilis\u00e9 dans l&#039;industrie des semi-conducteurs est d&#039;une grande puret\u00e9 et transparent. Sa mati\u00e8re premi\u00e8re est du dioxyde de silicium extr\u00eamement pur. Le principal type est constitu\u00e9 de cloches en verre de quartz de grand format, principalement utilis\u00e9es pour la fabrication de l&#039;enveloppe ext\u00e9rieure des fours \u00e0 silicium polycristallin.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"562\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-powder.webp\" alt=\"Comment broyer de la poudre de quartz\" class=\"wp-image-3744\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-powder.webp 750w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-powder-300x225.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-powder-16x12.webp 16w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">Comment <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/ball-mill\/\">poudre de quartz broy\u00e9e<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie de la fonderie m\u00e9canique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans l&#039;industrie de la fonderie m\u00e9canique, le quartz est largement utilis\u00e9 comme sable de moulage, noyaux de fonderie et moules. En effet, outre son point de fusion \u00e9lev\u00e9, le sable de quartz joue un r\u00f4le dans le chauffage, la d\u00e9sulfuration et la d\u00e9soxydation lors du processus de fusion. La quantit\u00e9 de sable de quartz utilis\u00e9e en fonderie est relativement importante. En g\u00e9n\u00e9ral, la production d&#039;une tonne de pi\u00e8ce moul\u00e9e n\u00e9cessite une tonne de sable de moulage et d&#039;argile. Avec l&#039;augmentation de la pr\u00e9cision des pi\u00e8ces moul\u00e9es, les exigences relatives \u00e0 la puret\u00e9 des mati\u00e8res premi\u00e8res de quartz sont de plus en plus \u00e9lev\u00e9es. Par exemple, les proc\u00e9d\u00e9s de moulage au sable r\u00e9sineux les plus avanc\u00e9s requi\u00e8rent un sable de quartz avec une teneur en SiO\u2082 sup\u00e9rieure \u00e0 971 TP3T et une granulom\u00e9trie comprise entre 40 et 320 mesh. L&#039;industrie de la fonderie m\u00e9canique utilise environ 331 TP3T de la production mondiale totale de sable de quartz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exigences de qualit\u00e9 pour le sable de quartz dans l&#039;industrie de la fonderie\u00a0:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Application<\/strong><\/td><td><strong>Cat\u00e9gorie \/ Niveau<\/strong><\/td><td><strong>teneur en min\u00e9raux<\/strong><\/td><td><strong><\/strong><\/td><td><strong><\/strong><\/td><\/tr><\/thead><tbody><tr><td><\/td><td><\/td><td><strong>SiO\u2082 (%)<\/strong><\/td><td><strong>Fe\u2082O\u2083 (%)<\/strong><\/td><td><strong>Al\u2082O\u2083 (%)<\/strong><\/td><\/tr><tr><td><strong>Industrie de la fonderie<\/strong><\/td><td><strong>Niveau I<\/strong><\/td><td>&gt;97<\/td><td>&lt;0,75<\/td><td><\/td><\/tr><tr><td><\/td><td><strong>Grade II<\/strong><\/td><td>&gt;97,5<\/td><td>&lt;1.0<\/td><td><\/td><\/tr><tr><td><\/td><td><strong>Niveau III<\/strong><\/td><td>&gt;94<\/td><td>&lt;1,5<\/td><td><\/td><\/tr><tr><td><\/td><td><strong>Niveau IV<\/strong><\/td><td>&gt;90<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie de la c\u00e9ramique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mati\u00e8re premi\u00e8re feldspathique, le quartz permet de moduler la plasticit\u00e9 et la coh\u00e9sion des p\u00e2tes c\u00e9ramiques. Lors de la cuisson, il compense le retrait de la p\u00e2te et r\u00e9agit avec l&#039;alumine pour former la structure du mat\u00e9riau. Il am\u00e9liore la r\u00e9sistance m\u00e9canique des produits c\u00e9ramiques tout en augmentant leur translucidit\u00e9 et leur blancheur.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><\/td><td>teneur en min\u00e9raux<\/td><td><\/td><\/tr><tr><td>Taper<\/td><td>SiO2 (%)<\/td><td>Fe2O3 (&lt;%)<\/td><td>Al2O3 (%)<\/td><\/tr><tr><td>C\u00e9ramiques de construction et sanitaires<\/td><td>98.5<\/td><td>&lt;0,02<\/td><td>&lt;0,5<\/td><\/tr><tr><td>Radio-c\u00e9ramique<\/td><td>98.5<\/td><td>&lt;0,05<\/td><td>&lt;2.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Exigences de qualit\u00e9 pour le sable de quartz dans les produits c\u00e9ramiques\u00a0:<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le quartz est le principal composant responsable de la nature vitreuse des \u00e9maux c\u00e9ramiques. Il conf\u00e8re \u00e0 la surface de l&#039;\u00e9mail d&#039;excellentes propri\u00e9t\u00e9s physico-chimiques (telles que r\u00e9sistance, brillance, r\u00e9sistance \u00e0 l&#039;usure, duret\u00e9 et r\u00e9sistance \u00e0 la corrosion chimique). De plus, l&#039;augmentation de la teneur en SiO\u2082 dans l&#039;\u00e9mail permet d&#039;\u00e9lever sa temp\u00e9rature de fusion et sa viscosit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les c\u00e9ramiques en quartz fondu sont des pi\u00e8ces fritt\u00e9es produites \u00e0 partir de quartz fondu ou de verre de quartz. Le proc\u00e9d\u00e9 comprend le broyage des mati\u00e8res premi\u00e8res, suivi d&#039;un calibrage. <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/ball-mill\/\">broyage \u00e0 billes<\/a> La fabrication de la c\u00e9ramique de quartz fondu commence par la formation d&#039;une barbotine, puis se poursuit par un processus de frittage. Cette c\u00e9ramique poss\u00e8de de nombreuses propri\u00e9t\u00e9s remarquables, notamment un faible coefficient de dilatation thermique, une excellente r\u00e9sistance aux chocs thermiques, une bonne isolation \u00e9lectrique et une r\u00e9sistance \u00e0 la corrosion acide et alcaline. Depuis son invention, elle a connu une diffusion et une utilisation rapides \u00e0 travers le monde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Initialement, les c\u00e9ramiques de quartz fondu \u00e9taient utilis\u00e9es uniquement comme mat\u00e9riau r\u00e9fractaire de qualit\u00e9 inf\u00e9rieure dans les industries traditionnelles telles que la m\u00e9tallurgie et la verrerie. Gr\u00e2ce aux efforts inlassables des scientifiques, leurs performances se sont rapidement am\u00e9lior\u00e9es et elles sont d\u00e9sormais largement utilis\u00e9es dans des secteurs de pointe comme le nucl\u00e9aire, l&#039;a\u00e9rospatiale et la d\u00e9fense.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans l&#039;industrie solaire, les creusets en c\u00e9ramique de quartz fondu sont des r\u00e9cipients indispensables et tr\u00e8s sollicit\u00e9s, utilis\u00e9s pour la coul\u00e9e des lingots de silicium polycristallin. Du fait de leur utilisation prolong\u00e9e \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 1\u00a0500\u00a0\u00b0C en une seule op\u00e9ration, ils sont soumis \u00e0 des exigences extr\u00eamement strictes en mati\u00e8re de puret\u00e9, de r\u00e9sistance et de pr\u00e9cision dimensionnelle. Par cons\u00e9quent, des param\u00e8tres cl\u00e9s tels que la puret\u00e9, <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/jet-mill\/\">taille des particules<\/a>et la teneur en impuret\u00e9s de la mati\u00e8re premi\u00e8re de quartz doit \u00eatre strictement contr\u00f4l\u00e9e.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"609\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz.webp\" alt=\"Comment broyer du quartz\" class=\"wp-image-3743\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-300x228.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-768x585.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/06\/How-to-grind-quartz-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie des mat\u00e9riaux r\u00e9fractaires<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;utilisation principale des mati\u00e8res premi\u00e8res de quartz dans l&#039;industrie des r\u00e9fractaires est la production de briques r\u00e9fractaires siliceuses, notamment les briques de silice, les briques de silice l\u00e9g\u00e8res et les produits en quartz fondu. Les briques de silice sont principalement utilis\u00e9es dans la construction d&#039;\u00e9quipements thermiques tels que les fours verriers\u00a0; leur composition min\u00e9rale principale est constitu\u00e9e de phosphoquartz et d&#039;orthoquartz. Les produits en quartz fondu sont principalement fabriqu\u00e9s \u00e0 partir de quartz fondu, et leur composition min\u00e9rale principale est le verre de quartz. Gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s telles qu&#039;un faible coefficient de dilatation thermique, le verre de quartz conf\u00e8re aux produits en quartz fondu une excellente r\u00e9sistance aux chocs thermiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exigences de qualit\u00e9 du sable de quartz pour diff\u00e9rents mat\u00e9riaux r\u00e9fractaires :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Application<\/strong><\/td><td><strong>Cat\u00e9gorie \/ Niveau<\/strong><\/td><td><strong>teneur en min\u00e9raux<\/strong><\/td><td><strong><\/strong><\/td><td><strong><\/strong><\/td><\/tr><\/thead><tbody><tr><td><\/td><td><\/td><td><strong>SiO2(%)<\/strong><\/td><td><strong>Fe2O3 (%)<\/strong><\/td><td><strong>Al2O3(%)<\/strong><\/td><\/tr><tr><td><strong>Mat\u00e9riaux r\u00e9fractaires<\/strong><\/td><td><strong>Grade sp\u00e9cial<\/strong><\/td><td>&gt;98<\/td><td>&lt;0,5<\/td><td>&lt;0,5<\/td><\/tr><tr><td><\/td><td><strong>Niveau I<\/strong><\/td><td>&gt;97,5<\/td><td>&lt;1.0<\/td><td>&lt;1.0<\/td><\/tr><tr><td><\/td><td><strong>Grade II<\/strong><\/td><td>&gt;96<\/td><td>&lt;1,5<\/td><td>&lt;1,5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour garantir que les mat\u00e9riaux r\u00e9fractaires siliceux pr\u00e9sentent une r\u00e9fractarit\u00e9 sup\u00e9rieure \u00e0 1650\u20131700 \u00b0C, une temp\u00e9rature de ramollissement sous charge sup\u00e9rieure \u00e0 1650 \u00b0C, ainsi qu&#039;une bonne stabilit\u00e9 thermique et chimique, un faible coefficient de dilatation thermique et des propri\u00e9t\u00e9s m\u00e9caniques \u00e9lev\u00e9es, la teneur en SiO\u2082 et la granulom\u00e9trie du quartz brut doivent \u00eatre rigoureusement contr\u00f4l\u00e9es. Tout manquement \u00e0 ces exigences compromettra gravement les performances du mat\u00e9riau r\u00e9fractaire. G\u00e9n\u00e9ralement, la teneur en SiO\u2082 du quartz brut doit \u00eatre de 93% ou plus\u00a0; pour les quartz bruts de faible cristallinit\u00e9, la taille des particules doit \u00eatre inf\u00e9rieure \u00e0 2 mm.<br>De plus, la cristallinit\u00e9 du quartz utilis\u00e9 comme mati\u00e8re premi\u00e8re influe consid\u00e9rablement sur les performances des mat\u00e9riaux r\u00e9fractaires (notamment leur r\u00e9fractarit\u00e9). Plus la cristallinit\u00e9 du quartz est \u00e9lev\u00e9e, plus la r\u00e9fractarit\u00e9 du mat\u00e9riau r\u00e9fractaire obtenu est importante.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie des semi-conducteurs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les produits \u00e0 base de quartz utilis\u00e9s dans l&#039;industrie des semi-conducteurs servent principalement de mat\u00e9riaux d&#039;encapsulation. Associ\u00e9s \u00e0 des agents de r\u00e9ticulation, des r\u00e9sines \u00e9poxy et divers additifs, ils permettent de r\u00e9duire le co\u00fbt de ces mat\u00e9riaux. Les exigences relatives aux mati\u00e8res premi\u00e8res \u00e0 base de quartz sont tr\u00e8s \u00e9lev\u00e9es\u00a0: la puret\u00e9 du dioxyde de silicium doit atteindre 99,91\u00a0TP3T ou plus, la teneur en fer (Fe) doit \u00eatre inf\u00e9rieure \u00e0 5\u00a0ppm et la teneur totale en impuret\u00e9s ne doit pas d\u00e9passer 300\u00a0ppm. Auparavant, ces produits \u00e9taient principalement import\u00e9s. Cependant, ces derni\u00e8res ann\u00e9es, gr\u00e2ce \u00e0 des recherches approfondies sur les mat\u00e9riaux \u00e0 base de quartz, les techniques de production ont connu une nette am\u00e9lioration. Aujourd&#039;hui, la production nationale satisfait non seulement la demande du march\u00e9 int\u00e9rieur, mais g\u00e9n\u00e8re \u00e9galement d&#039;importantes exportations vers les march\u00e9s \u00e9trangers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Industrie chimique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comparativement aux applications dans le verre, la c\u00e9ramique et les mat\u00e9riaux r\u00e9fractaires ordinaires, l&#039;utilisation du sable de quartz dans l&#039;industrie chimique impose des exigences de qualit\u00e9 l\u00e9g\u00e8rement sup\u00e9rieures. On le trouve couramment dans des produits tels que le silicate de sodium, le gel de silice et le silicate de sodium. Prenons l&#039;exemple du silicate de sodium\u00a0: il existe sous forme solide et liquide selon son usage. Le silicate de sodium liquide, utilis\u00e9 dans les d\u00e9tergents et comme adh\u00e9sif pour les bo\u00eetes en carton, requiert une teneur en SiO\u2082 sup\u00e9rieure \u00e0 981\u00a0TP3T, une teneur en Fe\u2082O\u2083 inf\u00e9rieure \u00e0 0,21\u00a0TP3T et une granulom\u00e9trie comprise entre 0,2 et 2\u00a0mm. En revanche, le silicate de sodium solide, utilis\u00e9 comme catalyseur dans le raffinage du p\u00e9trole, est soumis \u00e0 des exigences plus strictes\u00a0: une teneur en SiO\u2082 sup\u00e9rieure \u00e0 991\u00a0TP3T et une teneur en Fe\u2082O\u2083 inf\u00e9rieure \u00e0 0,031\u00a0TP3T.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Remplisseurs industriels<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le sable de quartz, utilis\u00e9 comme charge industrielle, est un autre mat\u00e9riau important qui a suscit\u00e9 un vif int\u00e9r\u00eat. Il est principalement employ\u00e9 dans les mat\u00e9riaux polym\u00e8res organiques, tels que les plastiques et films plastiques, le caoutchouc, les rev\u00eatements, les peintures et les adh\u00e9sifs, afin d&#039;am\u00e9liorer leurs propri\u00e9t\u00e9s physico-chimiques ou de renforcer certaines caract\u00e9ristiques. Par exemple, l&#039;ajout de sable de quartz permet d&#039;accro\u00eetre la r\u00e9sistance \u00e0 la compression et \u00e0 la traction des plastiques. G\u00e9n\u00e9ralement, les exigences de qualit\u00e9 pour le sable de quartz sont tr\u00e8s \u00e9lev\u00e9es\u00a0: sa teneur en SiO\u2082 doit \u00eatre sup\u00e9rieure ou \u00e9gale \u00e0 991\u00a0TP3T et sa teneur en Fe\u2082O\u2083 inf\u00e9rieure \u00e0 0,051\u00a0TP3T. Dans certains cas, ces exigences peuvent m\u00eame \u00eatre celles du quartz de haute puret\u00e9.<\/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=\"360\" height=\"360\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3761\" style=\"width:150px;height:150px\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp 360w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-150x150.webp 150w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/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=\"wp-block-paragraph\">\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\/3788#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\/3788#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><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: 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 class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Mati\u00e8re premi\u00e8re min\u00e9rale industrielle importante, le quartz est largement utilis\u00e9 dans les secteurs industriels traditionnels (verre, c\u00e9ramique, mat\u00e9riaux r\u00e9fractaires, etc.) et de haute technologie (militaire, \u00e9lectronique, t\u00e9l\u00e9communications, etc.). Sa puret\u00e9, c&#039;est-\u00e0-dire sa teneur en SiO\u2082, influe directement sur les performances et les applications des produits finaux. Les industries traditionnelles, comme la verrerie ordinaire [\u2026]<\/p>","protected":false},"author":1,"featured_media":3440,"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":"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-3788","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 v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Are the Different Purity Requirements for Quartz Raw Materials for Different Applications? - Quartz Grinding Production Line<\/title>\n<meta name=\"description\" content=\"What Are the Different Purity Requirements for Quartz Raw Materials for Different Applications?\" \/>\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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