{"id":4058,"date":"2025-06-11T14:52:15","date_gmt":"2025-06-11T06:52:15","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4058"},"modified":"2025-06-11T14:52:18","modified_gmt":"2025-06-11T06:52:18","slug":"do-you-know-the-8-common-powder-fillers-in-powder-coatings","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/vi\/do-you-know-the-8-common-powder-fillers-in-powder-coatings\/","title":{"rendered":"B\u1ea1n c\u00f3 bi\u1ebft 8 lo\u1ea1i b\u1ed9t \u0111\u1ed9n ph\u1ed5 bi\u1ebfn trong s\u01a1n t\u0129nh \u0111i\u1ec7n kh\u00f4ng?"},"content":{"rendered":"

Ch\u1ea5t \u0111\u1ed9n b\u1ed9t<\/a> trong s\u01a1n b\u1ed9t kh\u00f4ng ch\u1ec9 gi\u1ea3m chi ph\u00ed m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m s\u01a1n. Ch\u00fang c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7, ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc v\u00e0 gi\u1ea3m \u0111\u1ed9 v\u00f5ng trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 san ph\u1eb3ng. Ch\u1ea5t \u0111\u1ed9n b\u1ed9t<\/a> c\u0169ng t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m.<\/p>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n b\u1ed9t cho b\u1ed9t<\/a> l\u1edbp ph\u1ee7, c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 m\u1eadt \u0111\u1ed9, kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t. Nh\u00ecn chung, m\u1eadt \u0111\u1ed9 cao h\u01a1n d\u1eabn \u0111\u1ebfn \u0111\u1ed9 ph\u1ee7 b\u1ed9t th\u1ea5p h\u01a1n. C\u00e1c h\u1ea1t l\u1edbn h\u01a1n ph\u00e2n t\u00e1n t\u1ed1t h\u01a1n c\u00e1c h\u1ea1t nh\u1ecf h\u01a1n. Ch\u1ea5t \u0111\u1ed9n ph\u1ea3i tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc \u0111\u1ec3 tr\u00e1nh ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eafc t\u1ed1. L\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 ch\u1ea5t \u0111\u1ed9n ph\u1ea3i c\u00f3 m\u00e0u tr\u1eafng. C\u00e1c v\u1eadt li\u1ec7u b\u1ed9t th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 bao g\u1ed3m canxi cacbonat, bari sunfat, b\u1ed9t talc, b\u1ed9t mica, kaolin, silica v\u00e0 wollastonit.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a Canxi Cacbonat<\/a> trong S\u01a1n b\u1ed9t<\/h2>\n\n\n\n

Canxi cacbonat (d\u01b0\u1edbi d\u1ea1ng ch\u1ea5t \u0111\u1ed9n d\u1ea1ng b\u1ed9t) \u0111\u01b0\u1ee3c chia th\u00e0nh canxi cacbonat nh\u1eb9 (canxi cacbonat k\u1ebft t\u1ee7a) v\u00e0 canxi cacbonat n\u1eb7ng. B\u1ea5t k\u1ec3 lo\u1ea1i ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u00e0o, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a canxi cacbonat \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn \u0111\u1ed9 b\u00f3ng c\u1ee7a l\u1edbp ph\u1ee7. Canxi cacbonat th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n

Canxi n\u1eb7ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng th\u1ec3 t\u00edch, thay th\u1ebf m\u1ed9t ph\u1ea7n titan dioxit v\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u, thay th\u1ebf canxi nh\u1eb9 v\u00e0 bari sunfat k\u1ebft t\u1ee7a. N\u00f3 c\u0169ng gi\u00fap ch\u1ed1ng \u0103n m\u00f2n v\u00e0 thay th\u1ebf m\u1ed9t ph\u1ea7n ch\u1ea5t t\u1ea1o m\u00e0u ch\u1ed1ng g\u1ec9.<\/p>\n\n\n\n

Khi s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 ki\u1ebfn tr\u00fac trong nh\u00e0, canxi n\u1eb7ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ri\u00eang ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi b\u1ed9t talc. So v\u1edbi b\u1ed9t talc, canxi cacbonat l\u00e0m gi\u1ea3m t\u1ef7 l\u1ec7 ph\u1ea5n h\u00f3a, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gi\u1eef m\u00e0u c\u1ee7a s\u01a1n m\u00e0u s\u00e1ng v\u00e0 t\u0103ng t\u00ednh ch\u1ed1ng n\u1ea5m m\u1ed1c. Tuy nhi\u00ean, do kh\u1ea3 n\u0103ng ch\u1ed1ng axit k\u00e9m n\u00ean vi\u1ec7c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 ngo\u1ea1i th\u1ea5t b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n

So v\u1edbi canxi n\u1eb7ng, canxi nh\u1eb9 c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p h\u01a1n, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u cao h\u01a1n v\u00e0 \u0111\u1ed9 s\u00e1ng cao h\u01a1n. Canxi nh\u1eb9 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi m\u1ee9c \u0111\u1ed9 m\u1edd cao nh\u1ea5t.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a Bari sulfat trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

Bari sulfat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t t\u1ea1o m\u00e0u m\u1edf r\u1ed9ng l\u1edbp ph\u1ee7 c\u00f3 hai d\u1ea1ng: t\u1ef1 nhi\u00ean v\u00e0 t\u1ed5ng h\u1ee3p. S\u1ea3n ph\u1ea9m t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9t barit<\/a>, trong khi s\u1ea3n ph\u1ea9m t\u1ed5ng h\u1ee3p l\u00e0 bari sunfat k\u1ebft t\u1ee7a.<\/p>\n\n\n\n

Trong s\u01a1n b\u1ed9t, bari sunfat k\u1ebft t\u1ee7a t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ec1u v\u00e0 \u0111\u1ed9 b\u00f3ng c\u1ee7a l\u1edbp ph\u1ee7, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i b\u1ed9t m\u00e0u. N\u00f3 gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y m\u00e0ng l\u00fd t\u01b0\u1edfng trong qu\u00e1 tr\u00ecnh phun, v\u1edbi t\u1ef7 l\u1ec7 truy\u1ec1n b\u1ed9t cao.<\/p>\n\n\n\n

B\u1ed9t barit ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n l\u00f3t c\u00f4ng nghi\u1ec7p, s\u01a1n ph\u1ee7 trung gian \u00f4 t\u00f4 v\u00e0 s\u01a1n ph\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n m\u00e0ng s\u01a1n cao, kh\u1ea3 n\u0103ng l\u00e0m \u0111\u1ea7y cao v\u00e0 t\u00ednh tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n ph\u1ee7 \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u00f3ng cao. Trong s\u01a1n latex, do c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao (1,637), b\u1ed9t barit m\u1ecbn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t m\u00e0u tr\u1eafng b\u00e1n trong su\u1ed1t, thay th\u1ebf m\u1ed9t s\u1ed1 titanium dioxide trong l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t Mica trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

B\u1ed9t mica \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c kho\u00e1ng ch\u1ea5t silicat ph\u1ee9c h\u1ee3p v\u1edbi c\u00e1c h\u1ea1t d\u1ea1ng v\u1ea3y, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 axit\/ki\u1ec1m tuy\u1ec7t v\u1eddi. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ea3y ch\u1ea3y khi n\u00f3ng ch\u1ea3y c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 b\u1ed9t ch\u1ecbu nhi\u1ec7t v\u00e0 c\u00e1ch \u0111i\u1ec7n. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho b\u1ed9t t\u1ea1o h\u1ecda ti\u1ebft.<\/p>\n\n\n\n

Trong s\u1ed1 c\u00e1c lo\u1ea1i mica kh\u00e1c nhau, mica sericit c\u00f3 c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 nh\u01b0 cao lanh, k\u1ebft h\u1ee3p c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 mica v\u00e0 kho\u00e1ng s\u00e9t. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7, n\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, ch\u1ed1ng n\u01b0\u1edbc v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp ph\u1ee7. N\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n v\u1ebb ngo\u00e0i c\u1ee7a l\u1edbp ph\u1ee7. C\u00e1c h\u1ea1t thu\u1ed1c nhu\u1ed9m d\u1ec5 d\u00e0ng \u0111i v\u00e0o c\u00e1c kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c l\u1edbp c\u1ee7a mica sericit, gi\u00fap m\u00e0u s\u1eafc v\u1eabn s\u1ed1ng \u0111\u1ed9ng v\u00e0 ch\u1ed1ng phai m\u00e0u. Ngo\u00e0i ra, mica sericit c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ed1ng t\u1ea3o v\u00e0 n\u1ea5m m\u1ed1c. Do \u0111\u00f3, b\u1ed9t mica sericit l\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111a ch\u1ee9c n\u0103ng v\u1edbi t\u1ef7 l\u1ec7 chi ph\u00ed-hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi cho l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t Talc trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

B\u1ed9t talc, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 silicat magi\u00ea ng\u1eadm n\u01b0\u1edbc, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch nghi\u1ec1n tr\u1ef1c ti\u1ebfp qu\u1eb7ng talc. C\u00e1c h\u1ea1t l\u00e0 tinh th\u1ec3 h\u00ecnh kim, t\u1ea1o c\u1ea3m gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t, k\u1ebft c\u1ea5u m\u1ec1m m\u1ea1i v\u00e0 \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ea5p. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n, huy\u1ec1n ph\u00f9 v\u00e0 m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn t\u1ed1t, \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ea3y ch\u1ea3y khi n\u00f3ng ch\u1ea3y c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t. B\u1ed9t talc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ed9t t\u1ea1o k\u1ebft c\u1ea5u v\u00e0 c\u00f3 trong nhi\u1ec1u lo\u1ea1i s\u01a1n l\u00f3t, s\u01a1n trung gian, s\u01a1n v\u1ea1ch \u0111\u01b0\u1eddng, s\u01a1n c\u00f4ng nghi\u1ec7p v\u00e0 c\u1ea3 s\u01a1n ki\u1ebfn tr\u00fac n\u1ed9i th\u1ea5t v\u00e0 ngo\u1ea1i th\u1ea5t.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a Silica trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

Th\u1ea1ch anh x\u1ed1p, m\u1ed9t lo\u1ea1i silica, \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i v\u00ec t\u00ednh an to\u00e0n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n ph\u1ee7 b\u1ed9t, s\u01a1n ch\u1ed1ng ch\u00e1y, s\u01a1n ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 s\u01a1n ch\u1ed1ng \u0103n m\u00f2n. Th\u1ea1ch anh x\u1ed1p gi\u00e1 r\u1ebb c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m chi ph\u00ed s\u01a1n ph\u1ee7 b\u1ed9t trong khi thay th\u1ebf bari sunfat \u0111\u1ec3 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng bari h\u00f2a tan trong s\u1ea3n ph\u1ea9m, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a Kaolin trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

Kaolin c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t l\u01b0u bi\u1ebfn v\u00e0 ch\u1ed1ng l\u1eafng. \u0110\u1ea5t s\u00e9t nung kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u01b0u bi\u1ebfn nh\u01b0ng, gi\u1ed1ng nh\u01b0 \u0111\u1ea5t s\u00e9t ch\u01b0a qua x\u1eed l\u00fd, t\u1ea1o ra hi\u1ec7u \u1ee9ng l\u00e0m m\u1edd, t\u0103ng \u0111\u1ed9 m\u1edd \u0111\u1ee5c v\u00e0 t\u0103ng \u0111\u1ed9 tr\u1eafng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9t talc.<\/p>\n\n\n\n

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

Cao lanh th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc cao, do \u0111\u00f3 kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh l\u01b0u bi\u1ebfn ho\u1eb7c s\u1ea3n xu\u1ea5t l\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc. Cao lanh<\/a> s\u1ea3n ph\u1ea9m th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t trong kho\u1ea3ng 0,2\u20131\u03bcm. Kaolin c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u \u1ee9ng l\u00e0m m\u1edd t\u1ed1t h\u01a1n, trong khi kaolin c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n (d\u01b0\u1edbi 1\u03bcm) ph\u00f9 h\u1ee3p cho l\u1edbp ph\u1ee7 b\u00e1n b\u00f3ng v\u00e0 s\u01a1n n\u1ed9i th\u1ea5t.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a c\u00e1c vi c\u1ea7u th\u1ee7y tinh r\u1ed7ng trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n
\"hollow<\/figure>\n\n\n\n

H\u1ea1t th\u1ee7y tinh r\u1ed7ng l\u00e0 lo\u1ea1i b\u1ed9t h\u00ecnh c\u1ea7u r\u1ed7ng nh\u1ecf c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, th\u1ec3 t\u00edch l\u1edbn, \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n cao, c\u00e1ch nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n, kh\u00f4ng \u0111\u1ed9c h\u1ea1i, ph\u00e2n t\u00e1n t\u1ed1t, d\u1ec5 ch\u1ea3y v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

Khi \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong l\u1edbp ph\u1ee7 b\u1ed9t, c\u00e1c vi c\u1ea7u th\u1ee7y tinh r\u1ed7ng mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch sau:<\/p>\n\n\n\n

C\u00e1ch nhi\u1ec7t, c\u00e1ch \u0111i\u1ec7n v\u00e0 h\u1ea5p th\u1ee5 n\u01b0\u1edbc th\u1ea5p:<\/strong>
B\u00ean trong c\u1ee7a c\u00e1c vi c\u1ea7u th\u1ee7y tinh r\u1ed7ng l\u00e0 ch\u00e2n kh\u00f4ng ho\u1eb7c ch\u1ee9a \u0111\u1ea7y kh\u00ed m\u1eadt \u0111\u1ed9 th\u1ea5p, t\u1ea1o cho ch\u00fang s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t so v\u1edbi nh\u1ef1a epoxy. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh ch\u1ea5t c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ea5t \u0111\u1ed9n l\u00fd t\u01b0\u1edfng cho l\u1edbp ph\u1ee7 b\u1ed9t nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n

C\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc:<\/strong>
C\u00e1c vi c\u1ea7u th\u1ee7y tinh r\u1ed7ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a ch\u00fang gi\u1ea3m, m\u1ee9c \u0111\u1ed9 gi\u1ea3m t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c vi c\u1ea7u. X\u1eed l\u00fd tr\u01b0\u1edbc th\u00edch h\u1ee3p b\u1eb1ng c\u00e1c t\u00e1c nh\u00e2n li\u00ean k\u1ebft c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp.<\/p>\n\n\n\n

H\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p:<\/strong>
C\u00e1c lo\u1ea1i vi c\u1ea7u th\u1ee7y tinh r\u1ed7ng kh\u00e1c nhau c\u00f3 t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 d\u1ea7u dao \u0111\u1ed9ng t\u1eeb 7mg \u0111\u1ebfn 50mg tr\u00ean 100g. T\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p n\u00e0y cho ph\u00e9p v\u1eadt li\u1ec7u t\u0103ng th\u1ec3 t\u00edch l\u00e0m \u0111\u1ea7y trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, gi\u00fap gi\u1ea3m t\u1ed5ng chi ph\u00ed.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a Wollastonite trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

Wollastonite ch\u1ee7 y\u1ebfu bao g\u1ed3m canxi silicat, c\u00f3 m\u1eadt \u0111\u1ed9 2,9g\/cm\u00b3, chi\u1ebft su\u1ea5t 1,63 v\u00e0 t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 d\u1ea7u 30\u201350%. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac gi\u1ed1ng nh\u01b0 kim v\u00e0 \u0111\u1ed9 s\u00e1ng t\u1ed1t.<\/p>\n\n\n\n

Trong s\u01a1n ph\u1ee7 b\u1ed9t, b\u1ed9t wollastonite t\u1ef1 nhi\u00ean, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb wollastonite t\u1ef1 nhi\u00ean \u0111\u00e3 qua x\u1eed l\u00fd, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Wollastonite \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u trong l\u1edbp ph\u1ee7 v\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n ch\u1ea5t t\u1ea1o m\u00e0u tr\u1eafng, t\u1ea1o \u0111\u1ed9 m\u1edd \u0111\u1ee5c v\u00e0 t\u0103ng th\u1ec3 t\u00edch, do \u0111\u00f3 gi\u1ea3m chi ph\u00ed s\u01a1n. Do c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, wollastonite th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n ph\u1ee7 b\u1ed9t c\u00e1ch nhi\u1ec7t epoxy. C\u1ea5u tr\u00fac gi\u1ed1ng nh\u01b0 kim m\u00e0u tr\u1eafng c\u1ee7a n\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh u\u1ed1n cong v\u00e0 k\u00e9o d\u00e0i c\u1ee7a s\u01a1n ph\u1ee7 b\u1ed9t.<\/p>\n\n\n\n

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