{"id":15952,"date":"2024-11-30T08:37:22","date_gmt":"2024-11-30T08:37:22","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=15952"},"modified":"2024-11-30T08:40:47","modified_gmt":"2024-11-30T08:40:47","slug":"quality-requirements-for-quartz-sand-for-different-types-of-glass","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/vi\/quality-requirements-for-quartz-sand-for-different-types-of-glass\/","title":{"rendered":"Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1t th\u1ea1ch anh cho m\u1ed9t s\u1ed1 lo\u1ea1i th\u1ee7y tinh"},"content":{"rendered":"

1. Gi\u1edbi thi\u1ec7u<\/strong><\/h2>\n\n\n\n

Silic dioxit l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a th\u1ee7y tinh, c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o th\u1ee7y tinh c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t. C\u00e1t th\u1ea1ch anh<\/a> l\u00e0 ngu\u1ed3n ch\u00ednh c\u1ee7a silic dioxit, v\u00ec v\u1eady c\u00e1t th\u1ea1ch anh l\u00e0 nguy\u00ean li\u1ec7u kho\u00e1ng s\u1ea3n c\u00f4ng nghi\u1ec7p ch\u00ednh c\u1ee7a th\u1ee7y tinh.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a th\u1ee7y tinh \u0111\u1ed1i v\u1edbi c\u00e1t th\u1ea1ch anh ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u1edf ba kh\u00eda c\u1ea1nh: th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t. C\u00e1c s\u1ea3n ph\u1ea9m th\u1ee7y tinh kh\u00e1c nhau c\u00f3 y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1t th\u1ea1ch anh. C\u00e1c lo\u1ea1i th\u1ee7y tinh m\u00e0 ch\u00fang t\u00f4i \u0111\u1ec1 c\u1eadp trong v\u0103n b\u1ea3n n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u1ec1 c\u1eadp \u0111\u1ebfn: k\u00ednh t\u1ea5m, k\u00ednh si\u00eau trong v\u00e0 k\u00ednh quang \u0111i\u1ec7n. Ch\u00fang ta h\u00e3y gi\u1ea3i th\u00edch chi ti\u1ebft b\u00ean d\u01b0\u1edbi:<\/p>\n\n\n\n

2. Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau cho c\u00e1t th\u1ea1ch anh <\/strong><\/h2>\n\n\n\n

<\/p>\n\n\n\n

2.1. K\u00ednh ph\u1eb3ng<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft<\/strong>: h\u00e0m l\u01b0\u1ee3ng silicon dioxide (SiO2) ph\u1ea3i \u0111\u1ea1t tr\u00ean 97%.<\/p>\n\n\n\n

\u200cK\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong>:\u200c k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1t th\u1ea1ch anh ph\u1ea3i \u0111\u1ea1t m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 70\u03bcm-350\u03bcm v\u00e0 ph\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng t\u00edch l\u0169y trong ph\u1ea1m vi n\u00e0y ph\u1ea3i kh\u00f4ng nh\u1ecf h\u01a1n 90%\u200c.<\/p>\n\n\n\n

\u200cH\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t<\/strong>\u200c: t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t trong c\u00e1t th\u1ea1ch anh kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 25\u03bcg\/g, trong \u0111\u00f3 t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng kali v\u00e0 natri <\/a>h\u00e0m l\u01b0\u1ee3ng ph\u1ea3i nh\u1ecf h\u01a1n 2,5\u03bcg\/g\u200c.<\/p>\n\n\n\n

\u200cM\u1ea5t m\u00e1t khi \u0111\u00e1nh l\u1eeda<\/strong>\u200c: ph\u1ea3i nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 0,01%\u200c.<\/p>\n\n\n\n

2.2. K\u00ednh si\u00eau trong<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u00e0m l\u01b0\u1ee3ng s\u1eaft<\/strong>: k\u00ednh si\u00eau trong c\u00f3 y\u00eau c\u1ea7u r\u1ea5t nghi\u00eam ng\u1eb7t v\u1ec1 h\u00e0m l\u01b0\u1ee3ng s\u1eaft trong c\u00e1t th\u1ea1ch anh. H\u00e0m l\u01b0\u1ee3ng s\u1eaft qu\u00e1 cao s\u1ebd l\u00e0m gi\u1ea3m \u00e1nh s\u00e1ng s\u1ef1 truy\u1ec1n d\u1eabn <\/a>c\u1ee7a k\u00ednh, do \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng s\u1eaft trong c\u00e1t th\u1ea1ch anh d\u00f9ng cho k\u00ednh si\u00eau trong ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t d\u01b0\u1edbi 150ppm, c\u00e1c ch\u1ec9 ti\u00eau c\u1ee5 th\u1ec3 l\u00e0 \u03c1Fe2O3\u2264150\u00d710-6, \u03c1Fe\u226480\u00d710-6\u200c12.<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong>: k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1t th\u1ea1ch anh c\u00f3 t\u00e1c \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a k\u00ednh si\u00eau trong. K\u00edch th\u01b0\u1edbc h\u1ea1t ph\u1ea3i n\u1eb1m trong kho\u1ea3ng 0,71-0,104mm v\u00e0 t\u1ef7 l\u1ec7 c\u00e1c h\u1ea1t d\u01b0\u1edbi 0,104mm kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 5%, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea3 t\u00ednh \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a k\u00ednh\u200c.<\/p>\n\n\n\n

C\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c<\/strong>\u200c: ngo\u00e0i h\u00e0m l\u01b0\u1ee3ng s\u1eaft, h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i kh\u00e1c c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. H\u00e0m l\u01b0\u1ee3ng titan kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 300ppm, t\u1ed5ng l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t n\u1eb7ng ch\u1ecbu l\u1eeda ph\u1ea3i \u22645ppm (\u0111o b\u1eb1ng Cr2O3), \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a h\u1ea1t \u0111\u01a1n ph\u1ea3i \u22640,25mm.<\/p>\n\n\n\n

2.3. K\u00ednh quang \u0111i\u1ec7n<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u00e0m l\u01b0\u1ee3ng silicon dioxide (SiO\u2082)<\/strong>\u200c: h\u00e0m l\u01b0\u1ee3ng silic dioxit trong c\u00e1t th\u1ea1ch anh ph\u1ea3i kh\u00f4ng nh\u1ecf h\u01a1n 99,99%, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a k\u00ednh quang \u0111i\u1ec7n\u200c.<\/p>\n\n\n\n

\u200c\u200cH\u00e0m l\u01b0\u1ee3ng s\u1eaft<\/strong>\u200c: h\u00e0m l\u01b0\u1ee3ng s\u1eaft trong c\u00e1t th\u1ea1ch anh trong k\u00ednh quang \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 100ppm, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t truy\u1ec1n v\u00e0 chuy\u1ec3n \u0111\u1ed5i\u200c \u00e1nh s\u00e1ng.<\/p>\n\n\n\n

H\u00e0m l\u01b0\u1ee3ng titan<\/strong>\u200c: h\u00e0m l\u01b0\u1ee3ng titan oxit trong c\u00e1t th\u1ea1ch anh kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 300ppm, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy\u1ec1n s\u00e1ng v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 trong su\u1ed1t c\u1ee7a k\u00ednh.<\/p>\n\n\n\n

\u200cH\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t<\/strong>\u200c: t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 25\u03bcg\/g. T\u1ed5ng h\u00e0m l\u01b0\u1ee3ng kali, liti v\u00e0 natri ph\u1ea3i nh\u1ecf h\u01a1n 2,5\u03bcg\/g, s\u1eaft (Fe) ph\u1ea3i nh\u1ecf h\u01a1n 0,5\u03bcg\/g, nh\u00f4m (Al) ph\u1ea3i nh\u1ecf h\u01a1n 20\u03bcg\/g, canxi (Ca) ph\u1ea3i nh\u1ecf h\u01a1n 1\u03bcg\/g, v.v. Vi\u1ec7c ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba th\u1ee7y tinh quang \u0111i\u1ec7n b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 k\u1ebft tinh \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong>\u200c: k\u00edch th\u01b0\u1edbc h\u1ea1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u1edf m\u1ee9c kho\u1ea3ng 70-350\u03bcm v\u00e0 ph\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng t\u00edch l\u0169y trong ph\u1ea1m vi n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 90%.<\/p>\n\n\n\n

V\u1ebb b\u1ec1 ngo\u00e0i<\/strong>:c\u00e1t th\u1ea1ch anh c\u1ea7n ph\u1ea3i l\u00e0 nh\u1eefng h\u1ea1t m\u00e0u tr\u1eafng, c\u00f3 \u0111\u1ed9 trong su\u1ed1t nh\u1ea5t \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy\u1ec1n s\u00e1ng c\u1ee7a k\u00ednh quang \u0111i\u1ec7n.<\/p>\n\n\n\n

3. T\u00f3m t\u1eaft<\/strong><\/h2>\n\n\n\n

C\u00e1t th\u1ea1ch anh l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t silicat c\u1ee9ng, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc. C\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh c\u00f3 \u0111\u1ed9 trong su\u1ed1t cao v\u00e0 t\u00ednh ch\u1ea5t quang h\u1ecdc t\u1ed1t, ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i th\u1ee7y tinh. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a c\u00e1t th\u1ea1ch anh c\u00f3 \u1ea3nh h\u01b0\u1edfng quan tr\u1ecdng \u0111\u1ebfn s\u1ea3n xu\u1ea5t th\u1ee7y tinh. Ch\u1ec9 sau khi nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i, c\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean m\u1edbi c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh. K\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 l\u1ee3i cho t\u00ednh l\u01b0u \u0111\u1ed9ng v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng th\u1ee7y tinh. \u0110\u1ed3ng th\u1eddi, \u0111\u1ec3 n\u00e2ng cao gi\u00e1 tr\u1ecb c\u00f4ng nghi\u1ec7p c\u1ee7a c\u00e1t th\u1ea1ch anh, c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a n\u00f3 v\u1edbi c\u00e1c polyme h\u1eefu c\u01a1.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C\u00f4ng ty TNHH M\u00e1y m\u00f3c b\u1ed9t Qingdao Epic<\/em><\/strong><\/em><\/strong>.<\/a> l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t<\/a> chuy\u00ean s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn b\u1ed9t. <\/mark><\/p>\n\n\n\n

S\u1ea3n ph\u1ea9m c\u1ee7a c\u00f4ng ty bao g\u1ed3m: <\/strong><\/strong><\/p>\n\n\n\n

– Nh\u00e0 m\u00e1y xay<\/mark>: m\u00e1y nghi\u1ec1n bi<\/a>, m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n, m\u00e1y nghi\u1ec1n tia, m\u00e1y nghi\u1ec1n ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed (ACM), m\u00e1y nghi\u1ec1n rung v\u00e0 m\u00e1y nghi\u1ec1n va \u0111\u1eadp, v.v.<\/strong><\/p>\n\n\n\n

– ph\u00e2n lo\u1ea1i<\/mark>: b\u1ed1n lo\u1ea1i m\u00e1y ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed: HTS<\/a>, ITC<\/a>, MBS v\u00e0 CTC.<\/strong><\/p>\n\n\n\n

– Ng\u01b0\u1eddi s\u1eeda \u0111\u1ed5i<\/mark>: ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh m\u00e1y nghi\u1ec1n ch\u1ed1t, ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh m\u00e1y nghi\u1ec1n tuabin v\u00e0 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh ba con l\u0103n, v.v.<\/strong><\/p>\n\n\n\n

– Thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3<\/mark>: t\u1ee7 \u0111i\u1ec1u khi\u1ec3n, m\u00e1y h\u00fat b\u1ee5i v\u00e0 thang n\u00e2ng g\u1ea7u t\u1ea3i, v.v.<\/strong><\/p>\n\n\n\n

– Kh\u00e1ch h\u00e0ng c\u0169ng c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh thi\u1ebft b\u1ecb theo nhu c\u1ea7u c\u1ee7a m\u00ecnh, m\u1ed9t kh\u00e1ch h\u00e0ng m\u1ed9t thi\u1ebft k\u1ebf.<\/mark><\/strong><\/p>\n\n\n\n

N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn s\u1ea3n ph\u1ea9m t\u1eeb S\u1eed thi Thanh \u0110\u1ea3o<\/a>, Xin vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi nh\u00e2n vi\u00ean c\u1ee7a h\u1ecd <\/a>tr\u1ef1c ti\u1ebfp, h\u1ecd lu\u00f4n s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 b\u1ea1n. \u00a0<\/p>\n\n\n\n

\u200cD\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng b\u1ee9c \u1ea3nh t\u1eeb S\u1eed thi Thanh \u0110\u1ea3o<\/a> \u0111\u1ec3 b\u1ea1n tham kh\u1ea3o. <\/strong><\/mark><\/p>\n\n\n\n

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\"\"<\/figure>","protected":false},"excerpt":{"rendered":"

1. Gi\u1edbi thi\u1ec7u Silic dioxit l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a th\u1ee7y tinh. N\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u1ee7y tinh c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t. C\u00e1t th\u1ea1ch anh l\u00e0 ngu\u1ed3n ch\u00ednh c\u1ee7a [\u2026]<\/p>","protected":false},"author":1,"featured_media":15953,"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":[],"class_list":["post-15952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"\nQuality Index for Quartz Sand for Several Types of Glass<\/title>\n<meta name=\"description\" content=\"Different glass have different quality requirements for quartz sand. 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