{"id":3125,"date":"2025-04-29T14:13:30","date_gmt":"2025-04-29T06:13:30","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3125"},"modified":"2025-06-04T11:49:19","modified_gmt":"2025-06-04T03:49:19","slug":"optimizing-paper-performance-with-calcium-carbonate-fillers","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/optimizing-paper-performance-with-calcium-carbonate-fillers\/","title":{"rendered":"T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t gi\u1ea5y v\u1edbi ch\u1ea5t \u0111\u1ed9n canxi cacbonat"},"content":{"rendered":"

L\u00e0m gi\u1ea5y s\u1eed d\u1ee5ng g\u1ed7, s\u1eady, b\u00e3 m\u00eda, r\u01a1m, r\u01a1m l\u00faa m\u00ec, th\u00e2n c\u00e2y b\u00f4ng, th\u00e2n c\u00e2y gai d\u1ea7u v\u00e0 b\u00f4ng l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. N\u00f3 t\u1ea1o ra b\u1ed9t gi\u1ea5y v\u00e0 sau \u0111\u00f3 bi\u1ebfn b\u1ed9t gi\u1ea5y th\u00e0nh gi\u1ea5y v\u00e0 b\u00eca c\u1ee9ng. L\u00e0m gi\u1ea5y bao g\u1ed3m vi\u1ec7c \u0111\u00e1nh b\u1ed9t gi\u1ea5y, \u0111\u1ecbnh c\u1ee1, th\u00eam ch\u1ea5t \u0111\u1ed9n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00e1c. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u1ec3 t\u1ea1o ra gi\u1ea5y c\u00f3 nhi\u1ec1u t\u00ednh ch\u1ea5t kh\u00e1c nhau. T\u1ea1i sao ch\u00fang ta c\u1ea7n ch\u1ea5t \u0111\u1ed9n trong s\u1ea3n xu\u1ea5t gi\u1ea5y? Ch\u1ee9c n\u0103ng c\u1ee7a canxi cacbonat<\/a>, ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t, trong s\u1ea3n xu\u1ea5t gi\u1ea5y? M\u1ed7i nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y \u0111\u1ec1u c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi ri\u00eang c\u1ee7a h\u1ecd. V\u00ed d\u1ee5, th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh canxi cacbonat <\/a>ch\u1ea5t \u0111\u1ed9n l\u00e0m t\u0103ng s\u1ed1 l\u01b0\u1ee3ng giao di\u1ec7n t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng b\u00ean trong. C\u00e1c giao di\u1ec7n n\u00e0y t\u1ed3n t\u1ea1i gi\u1eefa s\u1ee3i v\u00e0 kh\u00f4ng kh\u00ed, ch\u1ea5t \u0111\u1ed9n v\u00e0 s\u1ee3i, v\u00e0 ch\u1ea5t \u0111\u1ed9n v\u00e0 kh\u00f4ng kh\u00ed. Trong s\u1ed1 n\u00e0y, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi\u1ebft su\u1ea5t gi\u1eefa ch\u1ea5t \u0111\u1ed9n v\u00e0 kh\u00f4ng kh\u00ed l\u00e0 l\u1edbn nh\u1ea5t. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 m\u1edd \u0111\u1ee5c c\u1ee7a gi\u1ea5y.<\/p>\n\n\n\n

T\u1ea5t nhi\u00ean, vi\u1ec7c th\u00eam ch\u1ea5t \u0111\u1ed9n c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 s\u00e1ng, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u1ea3m gi\u00e1c c\u1ea7m tay c\u1ee7a gi\u1ea5y. Quan tr\u1ecdng h\u01a1n, ch\u1ea5t \u0111\u1ed9n cho ph\u00e9p ti\u1ebft ki\u1ec7m s\u1ee3i t\u1eeb 5% \u0111\u1ebfn 30%. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

\"Gi\u1ea5y<\/figure>\n\n\n\n

Ch\u1ea5t t\u1ea1o m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111\u1ea7u ti\u00ean trong s\u1ea3n xu\u1ea5t gi\u1ea5y \u2013 canxi cacbonat<\/a><\/h2>\n\n\n\n

K\u1ec3 t\u1eeb khi c\u00f4ng ngh\u1ec7 \u0111\u1ecbnh c\u1ee1 trung t\u00ednh \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y, canxi cacbonat \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t gi\u1ea5y. N\u00f3 v\u1eeba \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n v\u1eeba l\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u ph\u1ee7. Canxi cacbonat c\u00f3 nhi\u1ec1u v\u00e0 kh\u00f4ng \u0111\u1eaft. K\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn v\u00e0 \u0111\u1ed9 tr\u1eafng cao c\u1ee7a n\u00f3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 m\u1edd \u0111\u1ee5c c\u1ee7a gi\u1ea5y. N\u00f3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng th\u1ea5m m\u1ef1c v\u00e0 l\u00e0m cho gi\u1ea5y m\u1ec1m v\u00e0 \u0111\u1eb7c h\u01a1n. N\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00f3ng c\u1ee7a gi\u1ea5y v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u1eadt l\u00fd.<\/p>\n\n\n\n

L\u00e0 ch\u1ea5t \u0111\u1ed9n<\/h3>\n\n\n\n

Canxi cacbonat nghi\u1ec1n (GCC) ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong gi\u1ea5y in, gi\u1ea5y vi\u1ebft, gi\u1ea5y v\u0103n ph\u00f2ng v\u00e0 gi\u1ea5y qu\u1ea3ng c\u00e1o, ngo\u1ea1i tr\u1eeb gi\u1ea5y thu\u1ed1c l\u00e1, gi\u1ea5y l\u1ecdc v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i gi\u1ea5y th\u00f4ng tin c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 b\u1ea3n th\u1ea5p \u0111\u1eb7c bi\u1ec7t. Trong th\u1ef1c t\u1ebf, gi\u1ea5y tr\u00e1ng ph\u1ee7 y\u00eau c\u1ea7u GCC c\u00f3 l\u01b0\u1edbi 325, \u0111\u1ed9 tr\u1eafng tr\u00ean 92 v\u00e0 h\u00e0m l\u01b0\u1ee3ng CaCO\u2083 tr\u00ean 98%. \u0110\u1ed1i v\u1edbi gi\u1ea5y vi\u1ebft b\u1ea3ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1, GCC ph\u1ea3i c\u00f3 \u0111\u1ed9 m\u1ecbn t\u1eeb 1250 l\u01b0\u1edbi tr\u1edf l\u00ean, \u0111\u1ed9 tr\u1eafng tr\u00ean 92 v\u00e0 h\u00e0m l\u01b0\u1ee3ng CaCO\u2083 tr\u00ean 98%.<\/p>\n\n\n\n

Canxi cacbonat k\u1ebft t\u1ee7a (PCC) v\u1ec1 nguy\u00ean t\u1eafc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i gi\u1ea5y. Hi\u1ec7n nay, n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho c\u00e1c lo\u1ea1i gi\u1ea5y cao c\u1ea5p. V\u00ed d\u1ee5 bao g\u1ed3m gi\u1ea5y thu\u1ed1c l\u00e1, gi\u1ea5y th\u00f4ng tin v\u0103n ph\u00f2ng (nh\u01b0 gi\u1ea5y fax, gi\u1ea5y ghi \u00e2m thi\u1ebft b\u1ecb, gi\u1ea5y in phun), gi\u1ea5y b\u00e1o \u0111\u1ecbnh l\u01b0\u1ee3ng th\u1ea5p v\u00e0 gi\u1ea5y tr\u00e1ng \u0111\u1ecbnh l\u01b0\u1ee3ng th\u1ea5p.<\/p>\n\n\n\n

L\u00e0 ch\u1ea5t ph\u1ee7 m\u00e0u<\/h3>\n\n\n\n

Canxi cacbonat n\u1eb7ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u00e0u cho l\u1edbp s\u01a1n l\u00f3t v\u00e0 l\u1edbp ph\u1ee7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m in. Nhi\u1ec1u \u0111\u1eb7c t\u00ednh c\u1ee7a gi\u1ea5y tr\u00e1ng ph\u1ee7 c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 l\u1ef1a ch\u1ecdn ch\u1ea5t t\u1ea1o m\u00e0u. Canxi cacbonat c\u00f3 \u0111\u1ed9 tr\u1eafng cao v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng t\u1ed1t, th\u00edch h\u1ee3p \u0111\u1ec3 chu\u1ea9n b\u1ecb l\u1edbp ph\u1ee7 c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn cao. N\u00f3 \u0111\u00f2i h\u1ecfi \u00edt ch\u1ea5t k\u1ebft d\u00ednh h\u01a1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 m\u1ef1c c\u1ee7a l\u1edbp ph\u1ee7. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed9 tr\u1eafng v\u00e0 t\u00f4ng m\u00e0u t\u1ed1t v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea5m kh\u00ed. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t t\u1ea1o m\u00e0u ph\u1ee7 ph\u1ee7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng canxi cacbonat nh\u1eb9 trong b\u1ed9t m\u00e0u ph\u1ee7 gi\u1ea5y ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ec3 b\u00f9 \u0111\u1eafp s\u1ef1 thi\u1ebfu h\u1ee5t c\u1ee7a kaolin v\u00e0 canxi cacbonat n\u1eb7ng. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho gi\u1ea5y n\u1ec1n tr\u00e1ng tr\u1ecdng l\u01b0\u1ee3ng th\u1ea5p, gi\u1ea5y tr\u00e1ng \u0111\u1ed9 b\u00f3ng cao v\u00e0 gi\u1ea5y tr\u00e1ng m\u1edd.<\/p>\n\n\n\n

L\u1ef1a ch\u1ecdn canxi cacbonat cho s\u1ea3n xu\u1ea5t gi\u1ea5y<\/h2>\n\n\n\n

Canxi cacbonat n\u1eb7ng v\u00e0 canxi cacbonat nh\u1eb9 \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m ri\u00eang khi l\u00e0m ch\u1ea5t \u0111\u1ed9n gi\u1ea5y. Vi\u1ec7c l\u1ef1a ch\u1ecdn canxi cacbonat n\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo y\u00eau c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y.<\/p>\n\n\n\n

L\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n th\u00eam v\u00e0o ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 lo\u1ea1i gi\u1ea5y, lo\u1ea1i b\u1ed9t gi\u1ea5y, t\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t \u0111\u1ed9n v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t gi\u1ea5y c\u1ee7a m\u00e1y l\u00e0m gi\u1ea5y. \u0110\u1ec3 ti\u1ebft ki\u1ec7m s\u1ee3i th\u1ef1c v\u1eadt v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t, l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n th\u00eam v\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c t\u0103ng l\u00ean m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng gi\u1ea5y.<\/p>\n\n\n\n

\"L\u01b0\u1ee3ng<\/figure>\n\n\n\n

Bi\u1ebfn t\u00ednh canxi cacbonat \u0111\u1ec3 l\u00e0m gi\u1ea5y<\/h2>\n\n\n\n
\"M\u00e1y<\/figure>\n\n\n\n

M\u1eb7c d\u00f9 canxi cacbonat l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n ch\u00ednh trong ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u1ea5y, canxi cacbonat ch\u01b0a bi\u1ebfn t\u00ednh cho th\u1ea5y kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 li\u00ean k\u1ebft k\u00e9m v\u1edbi s\u1ee3i b\u1ed9t gi\u1ea5y. N\u00f3 c\u00f3 t\u1ef7 l\u1ec7 gi\u1eef l\u1ea1i th\u1ea5p v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt giao di\u1ec7n, l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a gi\u1ea5y. Do \u0111\u00f3, canxi cacbonat c\u1ea7n ph\u1ea3i x\u1eed l\u00fd bi\u1ebfn t\u00ednh. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh ch\u00ednh bao g\u1ed3m bi\u1ebfn t\u00ednh l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc v\u00e0 bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc<\/h3>\n\n\n\n

Trong h\u1ec7 th\u1ed1ng Ca(OH)\u2082\u2013H\u2082O\u2013CO\u2082, qu\u00e1 tr\u00ecnh bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a canxi cacbonat nghi\u1ec1n (GCC) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Sau khi ph\u1ee7 nano, b\u1ec1 m\u1eb7t ph\u00e2n c\u1eaft tinh th\u1ec3 c\u1ee7a c\u00e1c h\u1ea1t tr\u1edf n\u00ean nh\u00e1m v\u00e0 c\u00e1c c\u1ea1nh \u0111\u01b0\u1ee3c th\u1ee5 \u0111\u1ed9ng h\u00f3a. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n. \u0110\u1ed3ng th\u1eddi, l\u1ef1c h\u00fat t\u0129nh \u0111i\u1ec7n t\u1ed3n t\u1ea1i gi\u1eefa GCC ph\u1ee7 nano v\u00e0 c\u00e1c s\u1ee3i, t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac m\u1ea1ng b\u00ean trong gi\u1ea5y. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c s\u1ee3i m\u1ea1nh, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n ch\u1ec9 s\u1ed1 k\u00e9o, kh\u1ea3 n\u0103ng gi\u1eef ch\u1ea5t \u0111\u1ed9n, ch\u1ec9 s\u1ed1 v\u1ee1, ch\u1ec9 s\u1ed1 r\u00e1ch v\u00e0 \u0111\u1ed9 b\u1ec1n g\u1ea5p c\u1ee7a gi\u1ea5y \u0111\u00e3 ph\u1ee7.<\/p>\n\n\n\n

S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/a><\/h3>\n\n\n\n

Nano canxi cacbonat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t b\u1eb1ng (KH570). Sau khi th\u1ee7y ph\u00e2n, ch\u1ea5t k\u1ebft h\u1ee3p silane KH570 t\u1ea1o ra c\u00e1c nh\u00f3m silanol (Si\u2013OH), ng\u01b0ng t\u1ee5 v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a nano canxi cacbonat \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c li\u00ean k\u1ebft Ca\u2013O\u2013Si \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 gh\u00e9p h\u00f3a h\u1ecdc hi\u1ec7u qu\u1ea3. Nano canxi cacbonat \u0111\u00e3 bi\u1ebfn t\u00ednh th\u1ec3 hi\u1ec7n kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1edbp t\u0103ng l\u00ean trong c\u00e1c tinh th\u1ec3 b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3, \u0111\u1ed9 ph\u00e2n c\u1ef1c gi\u1ea3m, n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t th\u1ea5p h\u01a1n, t\u00ednh \u01b0a d\u1ea7u t\u0103ng l\u00ean v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Sau khi ph\u1ee7, c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t gi\u1ea5y t\u0103ng l\u00ean v\u00e0 t\u00ednh k\u1ef5 n\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n

H\u1ee3p ch\u1ea5t canxi cacbonat<\/h3>\n\n\n\n

V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 li\u00ean t\u1ee5c trong c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t gi\u1ea5y v\u00e0 ch\u1ebf bi\u1ebfn b\u1ed9t, vi\u1ec7c t\u1eadn d\u1ee5ng c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc b\u1ed5 sung c\u1ee7a c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00e1c nhau \u0111\u1ec3 n\u00e2ng cao gi\u00e1 tr\u1ecb gia t\u0103ng v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t xu h\u01b0\u1edbng r\u00f5 r\u00e0ng. Trong s\u1ea3n xu\u1ea5t gi\u1ea5y, c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 pha tr\u1ed9n canxi cacbonat
v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 kaolin, titanium dioxide, pyrophyllite, dolomit, illite, tremolite, talc v\u00e0 wollastonite \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m composite. M\u1eb7c d\u00f9 c\u00e1c lo\u1ea1i v\u00e0 t\u1ef7 l\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng th\u1ee9c c\u1ee5 th\u1ec3 c\u00f3 thay \u0111\u1ed5i \u0111\u00f4i ch\u00fat, nh\u01b0ng c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n ph\u1ea7n l\u1edbn l\u00e0 t\u01b0\u01a1ng t\u1ef1 nhau.<\/p>\n\n\n\n

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