{"id":4017,"date":"2026-08-06T15:53:34","date_gmt":"2026-08-06T07:53:34","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=4017"},"modified":"2026-08-06T15:53:40","modified_gmt":"2026-08-06T07:53:40","slug":"why-do-issues-arise-when-powder-filler-fineness-increases","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/why-do-issues-arise-when-powder-filler-fineness-increases\/","title":{"rendered":"T\u1ea1i sao l\u1ea1i ph\u00e1t sinh v\u1ea5n \u0111\u1ec1 khi \u0111\u1ed9 m\u1ecbn c\u1ee7a b\u1ed9t \u0111\u1ed9n t\u0103ng l\u00ean?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su v\u00e0 nh\u1ef1a, c\u00f3 m\u1ed9t quan ni\u1ec7m ph\u1ed5 bi\u1ebfn r\u1eb1ng b\u1ed9t \u0111\u1ed9n v\u00f4 c\u01a1 c\u00e0ng \u0111\u01b0\u1ee3c nghi\u1ec1n m\u1ecbn th\u00ec hi\u1ec7u qu\u1ea3 gia c\u01b0\u1eddng c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, nhi\u1ec1u c\u00f4ng ty \u0111\u00e3 li\u00ean t\u1ee5c n\u00e2ng cao m\u1ee5c ti\u00eau \u0111\u1ed9 m\u1ecbn khi mua c\u00e1c ch\u1ea5t \u0111\u1ed9n kho\u00e1ng nh\u01b0 canxi cacbonat n\u1eb7ng v\u00e0 b\u1ed9t talc. C\u00e1c y\u00eau c\u1ea7u n\u00e0y \u0111\u00e3 \u0111\u1ea9y \u0111\u1ed9 m\u1ecbn t\u1eeb 800 mesh l\u00ean \u0111\u1ebfn 2500 mesh ho\u1eb7c th\u1eadm ch\u00ed m\u1ecbn h\u01a1n. Tuy nhi\u00ean, c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edbi th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. S\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n tr\u1edf n\u00ean gi\u00f2n h\u01a1n. Gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a gi\u1ea3m xu\u1ed1ng. L\u01b0\u1ee3ng ch\u1ea5t ph\u00e2n t\u00e1n ti\u00eau th\u1ee5 t\u0103ng l\u00ean, v\u00e0 chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng x\u1eed l\u00fd c\u0169ng t\u0103ng theo. Chi ph\u00ed t\u0103ng l\u00ean, nh\u01b0ng hi\u1ec7u qu\u1ea3 c\u1ea3i thi\u1ec7n t\u1ed5ng th\u1ec3 l\u1ea1i kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u01b0 mong \u0111\u1ee3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eaft ngu\u1ed3n t\u1eeb nhi\u1ec1u y\u1ebfu t\u1ed1, nh\u01b0ng m\u1ed9t m\u1eaft x\u00edch quan tr\u1ecdng th\u01b0\u1eddng b\u1ecb b\u1ecf qua. Nghi\u1ec1n si\u00eau m\u1ecbn kh\u00f4 v\u00e0 ph\u00e2n lo\u1ea1i m\u1ecbn kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 nghi\u1ec1n m\u1ecbn h\u01a1n v\u00e0 cho v\u1eadt li\u1ec7u \u0111i qua s\u00e0ng. Thay v\u00e0o \u0111\u00f3, x\u1eed l\u00fd ch\u1ea5t \u0111\u1ed9n d\u1ea1ng b\u1ed9t l\u00e0 m\u1ed9t quy tr\u00ecnh k\u1ef9 thu\u1eadt c\u00f3 h\u1ec7 th\u1ed1ng. N\u00f3 bao g\u1ed3m l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb, \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng s\u1ed1, ki\u1ec3m so\u00e1t ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 t\u1eadn d\u1ee5ng tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"801\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers.webp\" alt=\"Ch\u1ea5t \u0111\u1ed9n b\u1ed9t\" class=\"wp-image-3776\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers-768x769.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Powder-Fillers-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. S\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n: Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u201c<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/\">Nghi\u1ec1n m\u1ecbn h\u01a1n<\/a>&#8220;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn kh\u00f4 c\u00e1c ch\u1ea5t \u0111\u1ed9n kho\u00e1ng phi kim lo\u1ea1i ch\u1ee7 y\u1ebfu bao g\u1ed3m m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n khu\u1ea5y \u0111\u1ee9ng, m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n, m\u00e1y nghi\u1ec1n tia v\u00e0 m\u00e1y nghi\u1ec1n va \u0111\u1eadp c\u01a1 h\u1ecdc. M\u1ed7i lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c c\u01a1 ch\u1ebf nghi\u1ec1n kh\u00e1c nhau v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/ball-mill\/\">M\u00e1y nghi\u1ec1n bi<\/a> v\u00e0 m\u00e1y nghi\u1ec1n khu\u1ea5y th\u1eb3ng \u0111\u1ee9ng<\/strong> M\u00e1y nghi\u1ec1n d\u1ef1a v\u00e0o s\u1ef1 n\u00e9n, c\u1eaft v\u00e0 va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t. Ch\u00fang c\u00f3 t\u1ef7 l\u1ec7 gi\u1ea3m k\u00edch th\u01b0\u1edbc cao v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c h\u1ea1t th\u00f4 xu\u1ed1ng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc micron m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c t\u1ea1p ch\u1ea5t nh\u1ecf, v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n v\u00f2ng<\/strong> M\u00e1y nghi\u1ec1n s\u1eed d\u1ee5ng nguy\u00ean l\u00fd n\u00e9n l\u1edbp v\u1eadt li\u1ec7u. M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ch\u00fang th\u01b0\u1eddng th\u1ea5p h\u01a1n t\u1eeb 20% \u0111\u1ebfn 30% so v\u1edbi m\u00e1y nghi\u1ec1n bi, do \u0111\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t c\u00f3 \u0111\u1ed9 c\u1ee9ng trung b\u00ecnh nh\u01b0 canxit v\u00e0 dolomit. H\u00ecnh d\u1ea1ng h\u1ea1t ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o s\u1ef1 ph\u00e2n t\u00e1ch kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean, nh\u01b0ng qu\u00e1 tr\u00ecnh n\u00e9n l\u1edbp v\u1eadt li\u1ec7u gi\u00fap b\u1ea3o t\u1ed3n ho\u1eb7c t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u1ef1 nhi\u00ean n\u00e0y.<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/strong> Ch\u00fang s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ea9y c\u00e1c h\u1ea1t v\u00e0o va ch\u1ea1m v\u1edbi nhau \u0111\u1ec3 nghi\u1ec1n. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n v\u1eadt li\u1ec7u nghi\u1ec1n, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tinh khi\u1ebft s\u1ea3n ph\u1ea9m cao. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 nhi\u1ec5m b\u1ea9n th\u1ea5p. Tuy nhi\u00ean, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed7i \u0111\u01a1n v\u1ecb kh\u00e1 cao, v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n t\u1eeb 200 \u0111\u1ebfn 500 kWh\/t\u1ea5n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 ch\u1ecdn lo\u1ea1i cao c\u1ea5p nh\u1ea5t. Thay v\u00e0o \u0111\u00f3, c\u1ea7n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i kho\u00e1ng ch\u1ea5t, \u0111\u1ed9 m\u1ecbn m\u1ee5c ti\u00eau, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft v\u00e0 t\u1ed5ng chi ph\u00ed. N\u1ebfu \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t c\u1ef1c th\u1ea5p, vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t \u0111\u1ed9n c\u00f3 th\u1ec3 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant.webp\" alt=\"Nh\u00e0 m\u00e1y nghi\u1ec1n bi canxi cacbonat\" class=\"wp-image-3901\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant-768x768.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Ground-Calcium-Carbonate-Grinding-Plant-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Nh\u00e0 m\u00e1y nghi\u1ec1n bi canxi cacbonat<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/ultrafine-air-classifier\/\">Ph\u00e2n lo\u1ea1i chi ti\u1ebft<\/a>B\u00ed quy\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u1ed5n \u0111\u1ecbnh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu qu\u00e1 tr\u00ecnh nghi\u1ec1n quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ph\u00e2n m\u1ea3nh c\u1ee7a c\u00e1c h\u1ea1t, th\u00ec qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i s\u1ebd quy\u1ebft \u0111\u1ecbnh nh\u1eefng h\u1ea1t n\u00e0o \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh nghi\u1ec1n t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc kh\u00e1c nhau\u2014bao g\u1ed3m c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau, c\u00e1c h\u1ea1t th\u00f4 ch\u01b0a \u0111\u01b0\u1ee3c nghi\u1ec1n v\u00e0 c\u00e1c h\u1ea1t si\u00eau m\u1ecbn b\u1ecb nghi\u1ec1n qu\u00e1 m\u1ee9c. N\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e2n lo\u1ea1i hi\u1ec7u qu\u1ea3, t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t gi\u1eefa c\u00e1c m\u1ebb s\u1ea3n xu\u1ea5t kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed n\u00e9n tuabin hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ph\u00e2n lo\u1ea1i v\u1eadt li\u1ec7u kh\u00f4 m\u1ecbn. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang d\u1ef1a tr\u00ean m\u1ed9t tuabin quay t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra tr\u01b0\u1eddng l\u1ef1c ly t\u00e2m. L\u1ef1c n\u00e0y k\u1ebft h\u1ee3p v\u1edbi l\u1ef1c c\u1ea3n c\u1ee7a lu\u1ed3ng kh\u00ed \u0111\u1ec3 t\u00e1ch c\u00e1c h\u1ea1t th\u00f4 v\u00e0 h\u1ea1t m\u1ecbn: c\u00e1c h\u1ea1t th\u00f4 b\u1ecb \u0111\u1ea9y ra ngo\u00e0i v\u00e0 quay tr\u1edf l\u1ea1i m\u00e1y nghi\u1ec1n, trong khi c\u00e1c h\u1ea1t m\u1ecbn di chuy\u1ec3n theo lu\u1ed3ng kh\u00ed v\u00e0o h\u1ec7 th\u1ed1ng thu gom d\u01b0\u1edbi d\u1ea1ng s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai \u0111i\u1ec3m k\u1ef9 thu\u1eadt quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd \u1edf \u0111\u00e2y:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m so\u00e1t D50: <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D50 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a c\u1ee7a s\u1ea3n ph\u1ea9m. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9 tuabin v\u00e0 l\u01b0u l\u01b0\u1ee3ng kh\u00ed. N\u00f3 c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n v\u1eadt li\u1ec7u trong v\u00f9ng ph\u00e2n lo\u1ea1i. N\u1ebfu n\u1ed3ng \u0111\u1ed9 nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o qu\u00e1 cao, s\u1ef1 nhi\u1ec5u lo\u1ea1n gi\u1eefa c\u00e1c h\u1ea1t s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n lo\u1ea1i. \u0110i\u1ec1u n\u00e0y g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 h\u1ea1t th\u00f4. Ngay c\u1ea3 khi m\u00e1y ph\u00e2n lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao, c\u00e1c h\u1ea1t th\u00f4 v\u1eabn c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong b\u1ed9t th\u00e0nh ph\u1ea9m. Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 th\u01b0\u1eddng l\u00e0 do n\u1ed3ng \u0111\u1ed9 nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o kh\u00f4ng ph\u00f9 h\u1ee3p ch\u1ee9 kh\u00f4ng ph\u1ea3i do gi\u1edbi h\u1ea1n c\u1ee7a m\u00e1y m\u00f3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thu h\u1ed3i b\u1ed9t m\u1ecbn: <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf, m\u1ed9t s\u1ed1 b\u1ed9t m\u1ecbn b\u1ecb cu\u1ed1n theo c\u00e1c h\u1ea1t th\u00f4 ho\u1eb7c b\u00e1m v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang, r\u1ed3i quay tr\u1edf l\u1ea1i m\u00e1y nghi\u1ec1n c\u00f9ng v\u1edbi ch\u00fang. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c h\u1ea1t m\u1ecbn b\u1ecb nghi\u1ec1n \u0111i nghi\u1ec1n l\u1ea1i nhi\u1ec1u l\u1ea7n. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n c\u00f3 th\u1ec3 t\u1ea1o ra l\u01b0\u1ee3ng b\u1ed9t si\u00eau nh\u1ecf \u1edf m\u1ee9c d\u01b0\u1edbi micromet qu\u00e1 m\u1ee9c. Khi \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o cao su v\u00e0 nh\u1ef1a, nh\u1eefng b\u1ed9t si\u00eau nh\u1ecf n\u00e0y th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y v\u00e0 gi\u1ea3m \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. Tr\u00ean th\u1ef1c t\u1ebf, v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t t\u1ef7 l\u1ec7 ch\u1ea5t r\u1eafn tr\u00ean ch\u1ea5t kh\u00ed trong v\u00f9ng ph\u00e2n lo\u1ea1i, t\u1ed1i \u01b0u h\u00f3a g\u00f3c c\u00e1nh tuabin v\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p r\u1eeda b\u1eb1ng kh\u00ed th\u1ee9 c\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/05\/ITC-6-air-classifier.webp\" alt=\"B\u1ed9 ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed ITC-6\" class=\"wp-image-3891\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/05\/ITC-6-air-classifier.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/05\/ITC-6-air-classifier-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/05\/ITC-6-air-classifier-768x576.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/05\/ITC-6-air-classifier-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">B\u1ed9 ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed ITC-6<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u1ed9 m\u1ecbn \u0111\u01a1n l\u1ebb.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng th\u01b0\u1eddng tr\u00ean th\u1ecb tr\u01b0\u1eddng, thu\u1eadt ng\u1eef \u201ck\u00edch th\u01b0\u1edbc m\u1eaft l\u01b0\u1edbi\u201d \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ed9 m\u1ecbn c\u1ee7a ch\u1ea5t \u0111\u1ed9n. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi ch\u1ea5t \u0111\u1ed9n d\u1ea1ng b\u1ed9t si\u00eau m\u1ecbn, y\u1ebfu t\u1ed1 th\u1ef1c s\u1ef1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng l\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai s\u1ea3n ph\u1ea9m canxi cacbonat n\u1eb7ng c\u00f3 gi\u00e1 tr\u1ecb D50 gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau trong c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c. S\u1ea3n ph\u1ea9m c\u00f3 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p h\u01a1n c\u00f3 th\u1ec3 mang l\u1ea1i \u0111\u1ed9 ch\u1ea3y n\u00f3ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh h\u01a1n trong qu\u00e1 tr\u00ecnh ph\u1ed1i tr\u1ed9n polypropylen (PP). Ng\u01b0\u1ee3c l\u1ea1i, s\u1ea3n ph\u1ea9m c\u00f3 ph\u00e2n b\u1ed1 r\u1ed9ng h\u01a1n ch\u1ee9a c\u00e1c h\u1ea1t th\u00f4 c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t tr\u00ean th\u00e0nh ph\u1ea9m, c\u0169ng nh\u01b0 c\u00e1c vi b\u1ed9t c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u cao l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng, m\u1ee5c ti\u00eau th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 \u201ck\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n\u201d, m\u00e0 l\u00e0 \u201cph\u00e2n b\u1ed1 h\u1ee3p l\u00fd\u201d. M\u1ee5c ti\u00eau n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua m\u1ed9t v\u00f2ng kh\u00e9p k\u00edn g\u1ed3m \u201cnghi\u1ec1n, ph\u00e2n lo\u1ea1i v\u00e0 nghi\u1ec1n l\u1ea1i\u201d. Trong m\u1ed9t v\u00f2ng kh\u00e9p k\u00edn, b\u1ed9 ph\u00e2n lo\u1ea1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 ng\u01b0\u1eddi g\u00e1c c\u1ed5ng ch\u1ea5t l\u01b0\u1ee3ng: ch\u1ec9 nh\u1eefng h\u1ea1t \u0111\u1ea1t ti\u00eau chu\u1ea9n m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p r\u1eddi kh\u1ecfi v\u00f2ng l\u1eb7p, trong khi c\u00e1c h\u1ea1t th\u00f4 h\u01a1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i \u0111\u1ec3 nghi\u1ec1n th\u00eam. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 r\u00f2 r\u1ec9 c\u00e1c h\u1ea1t th\u00f4 v\u00e0 vi\u1ec7c nghi\u1ec1n qu\u00e1 m\u1ee9c c\u00e1c h\u1ea1t m\u1ecbn, c\u1ea3 hai \u0111\u1ec1u th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c quy tr\u00ecnh m\u1ea1ch h\u1edf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. X\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m t\u00edch h\u1ee3p qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/surface-modification\/\">S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine.webp\" alt=\"m\u00e1y ph\u1ee7 b\u1ed9t si\u00eau m\u1ecbn\" class=\"wp-image-3849\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-300x200.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-768x513.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chi ti\u1ebft \u0111\u00e1ng ch\u00fa \u00fd kh\u00e1c trong quy tr\u00ecnh l\u00e0 t\u1eadn d\u1ee5ng c\u00e1c b\u1ec1 m\u1eb7t m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh m\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n, khi kho\u00e1ng ch\u1ea5t b\u1ecb v\u1ee1 v\u00e0 ph\u00e2n t\u00e1ch, ch\u00fang li\u00ean t\u1ee5c \u0111\u1ec3 l\u1ed9 c\u00e1c b\u1ec1 m\u1eb7t m\u1edbi c\u00f3 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao. Nh\u1eefng b\u1ec1 m\u1eb7t m\u1edbi n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh m\u1ea1nh h\u01a1n so v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t c\u0169, \u0111\u00e3 b\u1ecb l\u1ed9 ra ngo\u00e0i. Vi\u1ec7c th\u00eam c\u00e1c ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u1edf giai \u0111o\u1ea1n th\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh nghi\u1ec1n ho\u1eb7c ph\u00e2n lo\u1ea1i cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i ch\u1ed7 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t m\u1edbi c\u00f3 ho\u1ea1t t\u00ednh cao n\u00e0y. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c gi\u1ea3m li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh m\u00e0 v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ecbnh l\u01b0\u1ee3ng th\u00edch h\u1ee3p ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u1eeda ra c\u1ee7a m\u00e1y nghi\u1ec1n, trong v\u00f2ng ph\u00e2n lo\u1ea1i ho\u1eb7c ph\u00eda tr\u01b0\u1edbc h\u1ec7 th\u1ed1ng thu gom. C\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 li\u1ec1u l\u01b0\u1ee3ng, tr\u1ea1ng th\u00e1i phun s\u01b0\u01a1ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 tr\u1ed9n c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c chi ti\u1ebft quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng mang l\u1ea1i k\u1ebft qu\u1ea3 th\u1ef1c ti\u1ec5n t\u1ed1t h\u01a1n so v\u1edbi vi\u1ec7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 chuy\u1ec3n sang m\u1ed9t lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i l\u00e0 nh\u1eefng b\u01b0\u1edbc c\u01a1 b\u1ea3n trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ed9t \u0111\u1ed9n. Khi nhu c\u1ea7u v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m cao su v\u00e0 nh\u1ef1a ch\u1ea5t l\u01b0\u1ee3ng cao \u1edf kh\u00e2u ti\u1ebfp theo t\u0103ng l\u00ean, c\u00e1c chuy\u00ean gia trong ng\u00e0nh c\u1ea7n ph\u1ea3i hi\u1ec3u r\u00f5 nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y. N\u1eafm v\u1eefng c\u01a1 ch\u1ebf nghi\u1ec1n, ki\u1ec3m so\u00e1t \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n lo\u1ea1i, t\u1ed1i \u01b0u h\u00f3a ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc v\u00e0 th\u1eddi \u0111i\u1ec3m x\u1eed l\u00fd b\u1ec1 m\u1eb7t s\u1ebd t\u1ea1o ra gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1. Thay v\u00ec h\u1ecfi &quot;ch\u00fang ta c\u00f3 th\u1ec3 nghi\u1ec1n m\u1ecbn \u0111\u1ebfn m\u1ee9c n\u00e0o&quot;, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i x\u00e1c \u0111\u1ecbnh &quot;l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nghi\u1ec1n m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd h\u01a1n&quot;. Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi \u0111\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1eb7c t\u00ednh kho\u00e1ng ch\u1ea5t, s\u1ef1 ph\u00f9 h\u1ee3p gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh, v\u00e0 nhu c\u1ea7u \u1ee9ng d\u1ee5ng \u1edf kh\u00e2u ti\u1ebfp theo.<\/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:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-4010\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp 360w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.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\">C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc. T\u00f4i hy v\u1ecdng b\u00e0i vi\u1ebft c\u1ee7a t\u00f4i h\u1eefu \u00edch. Vui l\u00f2ng \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng tr\u1ef1c tuy\u1ebfn c\u1ee7a Zelda n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o kh\u00e1c.<\/p>\n<cite>                                                                                                                                                                                         \u2014 \u0110\u0103ng b\u1edfi <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=\"\/vi\/wp-json\/wp\/v2\/posts\/4017#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/vi\/wp-json\/wp\/v2\/posts\/4017#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><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=\"T\u00ean c\u1ee7a b\u1ea1n*\" 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=\"Email c\u1ee7a b\u1ea1n*\" 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=\"Pnone ho\u1eb7c Whatsapp c\u1ee7a b\u1ea1n*\" 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=\"C\u00f4ng ty c\u1ee7a b\u1ea1n\" 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=\"Tin nh\u1eafn c\u1ee7a b\u1ea1n\" 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=\"N\u1ed9p\" \/>\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: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\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=\"vi\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su v\u00e0 nh\u1ef1a, c\u00f3 m\u1ed9t quan ni\u1ec7m ph\u1ed5 bi\u1ebfn r\u1eb1ng b\u1ed9t \u0111\u1ed9n v\u00f4 c\u01a1 c\u00e0ng \u0111\u01b0\u1ee3c nghi\u1ec1n m\u1ecbn th\u00ec hi\u1ec7u qu\u1ea3 gia c\u01b0\u1eddng c\u00e0ng t\u1ed1t. Do \u0111\u00f3, nhi\u1ec1u c\u00f4ng ty \u0111\u00e3 li\u00ean t\u1ee5c n\u00e2ng cao m\u1ee5c ti\u00eau \u0111\u1ed9 m\u1ecbn khi mua c\u00e1c ch\u1ea5t \u0111\u1ed9n kho\u00e1ng nh\u01b0 canxi cacbonat n\u1eb7ng v\u00e0 b\u1ed9t talc. Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y \u0111\u00e3 \u0111\u1ea9y m\u1ee9c \u0111\u1ed9 m\u1ecbn t\u1eeb 800 mesh [\u2026]<\/p>","protected":false},"author":1,"featured_media":3776,"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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