{"id":134271,"date":"2024-09-11T15:43:29","date_gmt":"2024-09-11T07:43:29","guid":{"rendered":"https:\/\/www.alpapowder.com\/134271\/"},"modified":"2024-09-11T15:43:30","modified_gmt":"2024-09-11T07:43:30","slug":"ban-co-biet-4-cap-do-cua-phan-rom-khong","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/134271\/","title":{"rendered":"B\u1ea1n c\u00f3 bi\u1ebft 4 c\u1ea5p \u0111\u1ed9 c\u1ee7a ph\u1ea5n r\u00f4m kh\u00f4ng?"},"content":{"rendered":"

\"\"<\/p>\n

L\u00e0 ch\u1ea5t \u0111\u1ed9n nh\u1ef1a, b\u1ed9t talc kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m vi\u1ec7c s\u1eed d\u1ee5ng nh\u1ef1a m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u00f3ng vai tr\u00f2 gia c\u1ed1. B\u1ed9t talc c\u00f3 \u0111\u1ed9 m\u1ecbn \u0111\u1ee7 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng, \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc b\u1ec1 m\u1eb7t, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

Khi l\u1ef1a ch\u1ecdn talc, \u00edt nh\u1ea5t ph\u1ea3i xem x\u00e9t “b\u1ed1n \u0111\u1ed9” c\u1ee7a b\u1ea3n th\u00e2n talc, c\u1ee5 th\u1ec3 l\u00e0: \u0111\u1ed9 tinh khi\u1ebft, \u0111\u1ed9 tr\u1eafng, \u0111\u1ed9 x\u1ed1p v\u00e0 \u0111\u1ed9 m\u1ecbn. N\u00f3i chung, \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m talc, \u00edt nh\u1ea5t ph\u1ea3i xem x\u00e9t b\u1ed1n y\u1ebfu t\u1ed1 tr\u00ean.<\/p>\n

\u0110\u1ed9 tinh khi\u1ebft
\n\u0110\u1ed9 tinh khi\u1ebft \u0111\u1ec1 c\u1eadp \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng talc c\u1ee7a s\u1ea3n ph\u1ea9m. Talc c\u00f3 ch\u1ee9a t\u1ea1p ch\u1ea5t trong t\u1ef1 nhi\u00ean v\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, v\u00e0 kh\u00f4ng th\u1ec3 c\u00f3 s\u1ea3n ph\u1ea9m talc tinh khi\u1ebft 100% trong c\u00f4ng nghi\u1ec7p. Kh\u00f4ng c\u00f2n nghi ng\u1edd g\u00ec n\u1eefa, \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t talc c\u00e0ng cao th\u00ec hi\u1ec7u qu\u1ea3 gia c\u1ed1 c\u00e0ng t\u1ed1t. M\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t trong b\u1ed9t talc kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t talc m\u00e0 c\u00f2n c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n

\u0110\u1ed9 tr\u1eafng
\nC\u00f3 hai lo\u1ea1i \u0111\u1ed9 tr\u1eafng trong ng\u00e0nh b\u1ed9t talc: \u0111\u1ed9 tr\u1eafng h\u1eb9p v\u00e0 \u0111\u1ed9 tr\u1eafng r\u1ed9ng. \u0110\u1ed9 tr\u1eafng h\u1eb9p l\u00e0 \u0111\u1ecbnh ngh\u0129a chung v\u1ec1 \u0111\u1ed9 tr\u1eafng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng \u0111\u1ed9 tr\u1eafng \u00e1nh s\u00e1ng xanh R457, Y, L*, \u0111\u1ed9 tr\u1eafng Ganz v\u00e0 \u0111\u1ed9 tr\u1eafng Hunter. \u0110\u1ed9 tr\u1eafng r\u1ed9ng bao g\u1ed3m \u0111\u1ed9 tr\u1eafng kh\u00f4, \u0111\u1ed9 tr\u1eafng \u01b0\u1edbt v\u00e0 s\u1eafc th\u00e1i. \u0110\u1ed9 tr\u1eafng \u01b0\u1edbt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9 tr\u1eafng \u0111\u01b0\u1ee3c \u0111o sau khi th\u00eam m\u1ed9t l\u01b0\u1ee3ng DMP (dimethyl phthalate) th\u00edch h\u1ee3p v\u00e0o b\u1ed9t talc.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng m\u1ecbn th\u00ec \u0111\u1ed9 tr\u1eafng c\u00e0ng cao. H\u00e0m l\u01b0\u1ee3ng \u1ea9m c\u00e0ng cao th\u00ec \u0111\u1ed9 tr\u1eafng c\u00e0ng th\u1ea5p. M\u1eb7c d\u00f9 \u0111\u1ed9 tr\u1eafng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m, nh\u01b0ng vi\u1ec7c duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a m\u00e0u \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 m\u00e0u s\u00e1ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

V\u1ea3y
\nT\u00e1c d\u1ee5ng gia c\u1ed1 \u0111\u00e1ng k\u1ec3 c\u1ee7a b\u1ed9t talc \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb c\u1ea5u tr\u00fac vi m\u1ea3nh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3. C\u1ea5u tr\u00fac d\u1ea1ng m\u1ea3nh c\u1ee7a b\u1ed9t talc c\u00e0ng ho\u00e0n thi\u1ec7n th\u00ec t\u00e1c d\u1ee5ng gia c\u1ed1 c\u1ee7a n\u00f3 c\u00e0ng r\u00f5 r\u00e0ng. Hai y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u1ea3y c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0: \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t talc v\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn b\u1ed9t.<\/p>\n

C\u00e1c t\u1ea1p ch\u1ea5t trong b\u1ed9t talc kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y. B\u1ed9t talc c\u00e0ng tinh khi\u1ebft th\u00ec c\u00e0ng \u00edt t\u1ea1p ch\u1ea5t v\u00e0 c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y c\u00e0ng t\u1ed1t. Trong qu\u00e1 tr\u00ecnh vi h\u00f3a s\u1ea3n ph\u1ea9m, c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c duy tr\u00ec kh\u00e1c nhau khi s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u00f4ng ph\u00f9 h\u1ee3p th\u1eadm ch\u00ed c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

\u0110\u1ed9 m\u1ecbn
\nVi h\u00f3a l\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m talc. S\u1ea3n ph\u1ea9m c\u00e0ng m\u1ecbn th\u00ec hi\u1ec7u qu\u1ea3 gia c\u1ed1 c\u00e0ng t\u1ed1t. \u0110\u1ed3ng th\u1eddi, n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t t\u0103ng l\u00ean, d\u1ec5 k\u1ebft t\u1ee5, kh\u00f3 ph\u00e2n t\u00e1n v\u00e0 \u0111\u1eaft ti\u1ec1n. Do \u0111\u00f3, ch\u00fang ta c\u1ea7n l\u1ef1a ch\u1ecdn c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn ph\u00f9 h\u1ee3p theo tr\u00ecnh \u0111\u1ed9 k\u1ef9 thu\u1eadt v\u00e0 nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a m\u00ecnh, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e0ng m\u1ecbn c\u00e0ng t\u1ed1t.<\/p>\n

\u0110\u00e1nh gi\u00e1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m talc kh\u00f4ng th\u1ec3 ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1ed9 m\u1ecbn trung b\u00ecnh. C\u00f3 \u00edt nh\u1ea5t hai ch\u1ec9 s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m: D50 v\u00e0 D100 (ho\u1eb7c D98).<\/p>\n

Khi s\u1ea3n ph\u1ea9m ng\u00e0y c\u00e0ng m\u1ecbn h\u01a1n, m\u1ecdi ng\u01b0\u1eddi c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 h\u00ecnh d\u1ea1ng vi m\u00f4 v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t talc m\u1ecbn sau khi nghi\u1ec1n. Ch\u1ec9 s\u1ed1 ch\u00ednh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u00e3 chuy\u1ec3n t\u1eeb D50 sang D97, D98 v\u00e0 hi\u1ec7n t\u1ea1i l\u00e0 D100. \u0110\u1ed3ng th\u1eddi, kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u0169ng nghi\u00eam ng\u1eb7t h\u01a1n. Khi \u0111\u00e1nh gi\u00e1 s\u1ea3n ph\u1ea9m, k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh c\u1ee7a s\u1ea3n ph\u1ea9m kh\u00f4ng ch\u1ec9 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u m\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t ph\u1ea3i c\u00e0ng h\u1eb9p c\u00e0ng t\u1ed1t, v\u1edbi c\u00e0ng \u00edt h\u1ea1t l\u1edbn c\u00e0ng t\u1ed1t.<\/p>\n

S\u1ea3n ph\u1ea9m ph\u1ea3i c\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t gi\u1ed1ng nhau cho m\u1ed7i l\u00f4, \u0111i\u1ec1u n\u00e0y r\u1ea5t kh\u00f3 trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t. Trong c\u00e1c s\u1ea3n ph\u1ea9m talc cao c\u1ea5p, vi\u1ec7c ki\u1ec3m so\u00e1t ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ed1 l\u01b0\u1ee3ng h\u1ea1t th\u00f4, l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 r\u1ea5t quan tr\u1ecdng, \u0111\u00f2i h\u1ecfi c\u1ea3 thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i hi\u1ec7u su\u1ea5t cao, \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 \u0111\u00e1ng tin c\u1eady c\u0169ng nh\u01b0 kinh nghi\u1ec7m v\u1eadn h\u00e0nh phong ph\u00fa v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb. Ch\u1ec9 c\u00f3 6-7 c\u00f4ng ty \u1edf Trung Qu\u1ed1c \u0111\u00e3 n\u1eafm v\u1eefng c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t t\u01b0\u01a1ng \u0111\u1ed1i tr\u01b0\u1edfng th\u00e0nh.<\/p>\n

Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng thi\u1ebft b\u1ecb ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p laser v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, ph\u01b0\u01a1ng ph\u00e1p s\u00e0ng l\u1ecdc ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u01b0\u1ee3ng h\u1ea1t th\u00f4.<\/p>\n

C\u1ea7n l\u01b0u \u00fd r\u1eb1ng b\u1ed9t talc c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn v\u00e0 m\u1eadt \u0111\u1ed9 th\u1ec3 t\u00edch nh\u1ecf do c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y c\u1ee7a ch\u00ednh n\u00f3. M\u1eadt \u0111\u1ed9 th\u1ec3 t\u00edch c\u1ee7a b\u1ed9t talc 325 l\u01b0\u1edbi l\u00e0 0,8-0,9g\/cm3, trong khi b\u1ed9t talc 1250 l\u01b0\u1edbi \u0111\u00e3 gi\u1ea3m xu\u1ed1ng c\u00f2n 0,25-0,3g\/cm3 v\u00e0 4000 l\u01b0\u1edbi ch\u1ec9 kho\u1ea3ng 0,12g\/cm3. \u0110i\u1ec1u n\u00e0y g\u00e2y ra \u00f4 nhi\u1ec5m b\u1ee5i nghi\u00eam tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, kh\u00f3 tr\u1ed9n, t\u0103ng chi ph\u00ed v\u00e0 gi\u1ea3m n\u0103ng su\u1ea5t. Ngo\u00e0i ra, chi ph\u00ed v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng d\u00e0i kh\u00e1 cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ed9t talc c\u00f3 \u0111\u1ed9 m\u1ecbn v\u1eeba \u0111\u1ee7 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng, \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc b\u1ec1 m\u1eb7t, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n","protected":false},"author":7,"featured_media":134236,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-134271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134271"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=134271"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134271\/revisions"}],"predecessor-version":[{"id":134272,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134271\/revisions\/134272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/134236"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=134271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=134271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=134271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}