{"id":7971,"date":"2020-04-25T20:11:04","date_gmt":"2020-04-25T13:11:04","guid":{"rendered":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/?p=7971"},"modified":"2023-11-25T20:11:15","modified_gmt":"2023-11-25T13:11:15","slug":"tieu-chuan-tcvn-110252015-ve-chat-deo-duc-ep-mau-thu-vat-lieu-nhiet-deo","status":"publish","type":"post","link":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/2020\/04\/25\/tieu-chuan-tcvn-110252015-ve-chat-deo-duc-ep-mau-thu-vat-lieu-nhiet-deo\/","title":{"rendered":"Ti\u00eau chu\u1ea9n TCVN 11025:2015 v\u1ec1 ch\u1ea5t d\u1ebbo \u2013 \u0111\u00fac \u00e9p m\u1eabu th\u1eed v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo"},"content":{"rendered":"\n<div class=\"wp-block-group is-vertical is-content-justification-stretch is-layout-flex wp-container-core-group-is-layout-2e1b5645 wp-block-group-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<p><strong>TI\u00caU CHU\u1ea8N TCVN 11025:2015 V\u1ec0 CH\u1ea4T D\u1ebaO \u2013 \u0110\u00daC \u00c9P M\u1eaaU TH\u1eec V\u1eacT LI\u1ec6U NHI\u1ec6T D\u1ebaO<\/strong><\/p>\n\n\n\n<p><strong><em>S\u1ea3n xu\u1ea5t \u0111\u00fac \u00e9p nh\u1ef1a \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo ti\u00eau chu\u1ea9n TCVN 11025:2015 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ISO 293:2004.<\/em><\/strong><\/p>\n\n\n\n<p>Ti\u00eau chu\u1ea9n TCVN 11025:2015 V\u1ec1 Ch\u1ea5t D\u1ebbo \u2013 \u0110\u00fac \u00c9p M\u1eabu Th\u1eed V\u1eadt Li\u1ec7u Nhi\u1ec7t D\u1ebbo do Ban k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN\/TC61 bi\u00ean so\u1ea1n. T\u1ed5ng c\u1ee5c Ti\u00eau chu\u1ea9n \u0110o l\u01b0\u1eddng Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec1 ngh\u1ecb, B\u1ed9 Khao h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 c\u00f4ng c\u00f3 hi\u1ec7u l\u1ef1c t\u1eeb ng\u00e0y 31\/12\/2015.<\/p>\n\n\n\n<p>M\u1ecdi ho\u1ea1t \u0111\u1ed9ng s\u1ea3n su\u1ea5t trong l\u0129nh v\u1ef1c \u0111\u00fac \u00e9p nh\u1ef1a, k\u1ec3 c\u1ea3 k\u1ef9 thu\u1eadt li\u00ean quan t\u1edbi ch\u1ebf t\u1ea1o khu\u00f4n c\u0169ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong n\u1ed9i dung TCVN 11025:2015. \u0110i\u1ec1u \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan v\u1edbi \u0111\u00fac \u00e9p m\u1eabu v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n v\u00e0 ki\u1ec3m so\u00e1t theo ti\u00eau chu\u1ea9n \u0111\u1eb7t ra.<\/p>\n\n\n\n<p>M\u1ee5c l\u1ee5c c\u1ee7a b\u1ea3n ti\u00eau chu\u1ea9n TCVN 11025:2015 g\u1ed3m 7 m\u1ee5c l\u1edbn theo th\u1ee9 t\u1ef1 nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>1. Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/strong><\/p>\n\n\n\n<p><strong>2. T\u00e0i li\u1ec7u vi\u1ec7n d\u1eabn<\/strong><\/p>\n\n\n\n<p><strong>3. Thu\u1eadt ng\u1eef v\u00e0 \u0111\u1ecbnh ngh\u0129a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 \u0111\u00fac<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 th\u00e1o khu\u00f4n<\/li>\n\n\n\n<li>Th\u1eddi gian gia nhi\u1ec7t tr\u01b0\u1edbc<\/li>\n\n\n\n<li>Th\u1eddi gian \u0111\u00fac<\/li>\n\n\n\n<li>T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i trung b\u00ecnh<\/li>\n\n\n\n<li>T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i<\/li>\n<\/ul>\n\n\n\n<p><strong>4. Thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1y \u00e9p \u0111\u00fac<\/li>\n\n\n\n<li>Khu\u00f4n m\u1eabu<\/li>\n<\/ul>\n\n\n\n<p><strong>5. C\u00e1ch ti\u1ebfn h\u00e0nh<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u \u0111\u00fac<\/li>\n\n\n\n<li>\u0110\u00fac<\/li>\n\n\n\n<li>L\u00e0m ngu\u1ed9i<\/li>\n<\/ul>\n\n\n\n<p><strong>6. Ki\u1ec3n tra t\u1ea5m \u0111\u00fac ho\u1eb7c m\u1eabu \u0111\u00fac<\/strong><\/p>\n\n\n\n<p><strong>7. B\u00e1o c\u00e1o chu\u1ea9n b\u1ecb m\u1eabu th\u1eed<\/strong><\/p>\n\n\n\n<p>Tr\u00ean c\u00e1c n\u1ed9i dung s\u1ebd \u0111\u01b0\u1ee3c n\u00eau r\u00f5 r\u00e0ng trong v\u0103n b\u1ea3n ti\u00eau chu\u1ea9n TCVN 11025:2015, khu\u00f4n kh\u1ed5 b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta ch\u1ec9 t\u1eadp trung l\u00e0m r\u00f5 c\u00e1c n\u1ed9i dung c\u1ee7a c\u1ee7a m\u1ee5c: Thi\u1ebft b\u1ecb d\u1ee5ng c\u1ee5 v\u00e0 c\u00e1ch ti\u1ebfn h\u00e0nh (M\u1ee5c 4, 5).<\/p>\n\n\n\n<p><strong>TCVN 11025:2015 chi ti\u1ebft v\u1ec1 thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 trong \u0111\u00fac \u00e9p v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo<\/strong><\/p>\n\n\n\n<p><strong>M\u00e1y \u00e9p \u0111\u00fac, m\u00e1y \u00e9p phun nh\u1ef1a<\/strong><\/p>\n\n\n\n<p>M\u00e1y \u00e9p ph\u1ea3i c\u00f3 l\u1ef1c k\u1eb9p c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra m\u1ed9t \u00e1p l\u1ef1c \u00edt nh\u1ea5t l\u00e0 10 MPa.<br>\u00c1p su\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec sai l\u1ec7ch kh\u00f4ng qu\u00e1 10% \u00e1p su\u1ea5t quy \u0111\u1ecbnh trong su\u1ed1t chu k\u1ef3 \u0111\u00fac.<br>B\u00e0n \u00e9p ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c gia nhi\u1ec7t \u0111\u1ebfn \u00edt nh\u1ea5t 240 \u00b0C;<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c l\u00e0m ngu\u1ed9i t\u1ea1i t\u1ed1c \u0111\u1ed9 n\u00eau trong B\u1ea3ng 1.<\/li>\n<\/ul>\n\n\n\n<p><strong>&nbsp;B\u1ea3ng 1: Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i nhanh<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i<\/strong><\/td><td><strong>T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i trung b\u00ecnh<\/strong><br><strong>(xem 3.5)<\/strong><br><strong>\u00b0C\u2219min-1<\/strong><\/td><td><strong>T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i<\/strong><br><strong>(xem 3.6)<\/strong><br><strong>\u00b0C\u2219h-1<\/strong><\/td><td><strong>Ch\u00fa \u00fd<\/strong><\/td><\/tr><tr><td>A<\/td><td>10 \u00b1 5<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>B<\/td><td>15 \u00b15<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>C<\/td><td>60 \u00b1 30<\/td><td>&nbsp;<\/td><td>L\u00e0m ngu\u1ed9i nhanh<\/td><\/tr><tr><td>D<\/td><td>&nbsp;<\/td><td>5 \u00b1 0,5<\/td><td>L\u00e0m ngu\u1ed9i ch\u1eadm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o c\u1ee7a b\u1ec1 m\u1eb7t khu\u00f4n c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 (\u00b1 )2 \u00b0C trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t v\u00e0 (\u00b1) 4 \u00b0C trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.<br>Khi h\u1ec7 th\u1ed1ng gia nhi\u1ec7t v\u00e0 l\u00e0m ngu\u1ed9i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p trong khu\u00f4n, h\u1ec7 th\u1ed1ng n\u00e0y ph\u1ea3i tu\u00e2n th\u1ee7 theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n<p>B\u00e0n \u00e9p ho\u1eb7c khu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c gia nhi\u1ec7t ho\u1eb7c b\u1eb1ng h\u01a1i \u00e1p su\u1ea5t cao, b\u1eb1ng ch\u1ea5t l\u1ecfng d\u1eabn nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn ph\u00f9 h\u1ee3p ho\u1eb7c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u00e0nh ph\u1ea7n gia nhi\u1ec7t b\u1eb1ng \u0111i\u1ec7n. B\u00e0n \u00e9p ho\u1eb7c khu\u00f4n \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i b\u1eb1ng ch\u1ea5t l\u1ecfng d\u1eabn nhi\u1ec7t (th\u01b0\u1eddng l\u00e0 n\u01b0\u1edbc l\u1ea1nh) trong h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn.<\/p>\n\n\n\n<p>\u0110\u1ec3 l\u00e0m ngu\u1ed9i nhanh (xem ph\u01b0\u01a1ng ph\u00e1p C trong B\u1ea3ng 1), ph\u1ea3i s\u1eed d\u1ee5ng hai b\u00e0n \u00e9p, m\u1ed9t b\u00e0n \u00e9p d\u00f9ng \u0111\u1ec3 gia nhi\u1ec7t trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 b\u00e0n \u00e9p c\u00f2n l\u1ea1i d\u00f9ng \u0111\u1ec3 l\u00e0m ngu\u1ed9i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i quy \u0111\u1ecbnh, l\u01b0u l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng d\u1eabn nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc trong th\u1eed nghi\u1ec7m khi kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u n\u00e0o trong khu\u00f4n.<\/p>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t li\u00ean t\u1ee5c \u1edf t\u00e2m gi\u1eefa b\u00e0n \u00e9p tr\u00ean v\u00e0 b\u00e0n \u00e9p d\u01b0\u1edbi c\u1ee7a m\u00e1y \u00e9p.<\/p>\n\n\n\n<p><strong>Khu\u00f4n m\u1eabu \u00e9p phun \u00e1p l\u1ef1c<\/strong><\/p>\n\n\n\n<p>Trong ph\u1ea7n th\u00f4ng tin khu\u00f4n m\u1eabu, ch\u00fang ta \u0111i nghi\u00ean c\u1ee9u k\u1ef9 h\u01a1n v\u1ec1 c\u1ea5u quy \u0111\u1ecbnh ch\u1ebf t\u1ea1o khu\u00f4n.<\/p>\n\n\n\n<p>Khu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u th\u00e9p c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u00fac khu\u00f4n. B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n b\u1ec1 m\u1eb7t t\u1ed1t tr\u00ean m\u1eabu th\u1eed (\u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0 0,16 Ra, xem ISO 4287). Vi\u1ec7c th\u00e1o d\u1ee1 m\u1eabu th\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ec5 d\u00e0ng h\u01a1n b\u1eb1ng c\u00e1ch m\u1ea1 crom b\u1ec1 m\u1eb7t. \u0110\u1ed1i v\u1edbi m\u1eabu th\u1eed c\u00f3 k\u00edch c\u1ee1 nh\u1ecf, \u0111\u1ed9 c\u00f4n 2\u00b0 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>C\u00e1c l\u1ed7 k\u00edn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khoan trong khu\u00f4n \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 \u1edf v\u00f9ng xung quanh v\u1eadt li\u1ec7u \u0111\u00fac b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n ho\u1eb7c nhi\u1ec7t k\u1ebf th\u1ee7y ng\u00e2n.<\/p>\n\n\n\n<p>T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u00e9p phun, khu\u00f4n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p thi\u1ebft b\u1ecb gia nhi\u1ec7t v\u00e0\/ho\u1eb7c l\u00e0m ngu\u1ed9i \u1edf trong t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c b\u00e0n \u00e9p.<\/p>\n\n\n\n<p>N\u00f3i chung, th\u00e9p h\u1ee3p kim, ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c c\u01a1 h\u1ecdc v\u00e0 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n k\u00e9o 2200 MPa l\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o khu\u00f4n. Tuy nhi\u00ean, trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u00fac l\u00e0 PVC, n\u00ean s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 mactensit \u0111\u00e3 x\u1eed l\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n k\u00e9o b\u1eb1ng 1050 MPa.<\/p>\n\n\n\n<p><strong>TCVN 11025:2015 chi ti\u1ebft v\u1ec1 c\u00e1ch ti\u1ebfn h\u00e0nh \u00e9p phun<\/strong><\/p>\n\n\n\n<p><strong>Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u \u0111\u00fac<\/strong><\/p>\n\n\n\n<p>S\u1ea5y v\u1eadt li\u1ec7u d\u1ea1ng h\u00e1t theo quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n c\u00f3 li\u00ean quan ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>Chu\u1ea9n b\u1ecb ph\u00f4i m\u1eabu: \u0110\u00fac t\u1ea5m tr\u1ef1c ti\u1ebfp t\u1eeb h\u1ea1t ph\u1ea3i theo quy tr\u00ecnh ti\u00eau chu\u1ea9n, mi\u1ec5n l\u00e0 thu \u0111\u01b0\u1ee3c t\u1ea5m \u0111\u1ee7 t\u00ednh \u0111\u1ed3ng nh\u1ea5t. Th\u00f4ng th\u01b0\u1eddng, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ea5m kh\u00f4ng b\u1ecb b\u1ea5t th\u01b0\u1eddng b\u1ec1 m\u1eb7t v\u00e0 khuy\u1ebft t\u1eadt b\u00ean trong. \u0110\u00fac tr\u1ef1c ti\u1ebfp t\u1eeb d\u1ea1ng b\u1ed9t ho\u1eb7c h\u1ea1t \u0111\u00f4i khi c\u00f3 th\u1ec3 y\u00eau c\u1ea7u \u0111\u1ed3ng nh\u1ea5t h\u00f3a n\u00f3ng ch\u1ea3y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy tr\u00ecnh tr\u1ed9n ho\u1eb7c c\u00e1n n\u00f3ng ch\u1ea3y \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea5m ho\u00e0n thi\u1ec7n \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u. C\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m bi\u1ebfn ch\u1ea5t polyme. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch kh\u00f4ng c\u00e1n ho\u1eb7c tr\u1ed9n qu\u00e1 5 min sau khi n\u00f3ng ch\u1ea3y.<br><br>T\u1ea5m ph\u00f4i m\u1eabu thu \u0111\u01b0\u1ee3c ph\u1ea3i d\u00e0y h\u01a1n t\u1ea5m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u00fac v\u00e0 c\u00f3 k\u00edch c\u1ee1 \u0111\u1ee7 \u0111\u1ec3 \u0111\u00fac \u0111\u01b0\u1ee3c t\u1ea7m th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p>B\u1ea3o qu\u1ea3n ph\u00f4i m\u1eabu trong h\u1ed9p kh\u00f4, k\u00edn kh\u00ed.<\/p>\n\n\n\n<p><strong>\u0110\u00fac \u00e9p<\/strong><\/p>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 khu\u00f4n ch\u00ednh x\u00e1c \u0111\u1ebfn \u00b1 5 \u00b0C c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u00fac \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n li\u00ean quan ho\u1eb7c theo th\u1ecfa thu\u1eadn c\u1ee7a c\u00e1c b\u00ean li\u00ean quan.<br>Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111i\u1ec1u ch\u1ec9nh m\u00e1y m\u00f3c th\u00f4ng quan b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. C\u00e1c c\u1ed7 m\u00e1y phun hi\u1ec7n \u0111\u1ea1i c\u00f3 trang b\u1ecb thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 s\u1ebd ho\u1ea1t \u0111\u00f4ng ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n<p><strong>L\u00e0m ngu\u1ed9i<\/strong><\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u00e9p phun nh\u1ef1a nhi\u1ec7t d\u1ebbo, b\u01b0\u1edbc l\u00e0m ngu\u1ed9i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong chu k\u1ef3 \u0111\u00fac. Tuy nhi\u00ean khi s\u1ea3n ph\u1ea3n \u0111\u01b0\u1ee3c \u0111\u1ea9y ra ngo\u00e0i b\u0103ng chuy\u1ec1n v\u1eabn ch\u1ee9a nhi\u1ec7t \u0111\u1ed9 cao. Nh\u1ef1a s\u1ebd h\u1ea1 nhi\u1ec7t d\u1eabn trong sau khi ra ngo\u00e0i m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng t\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t n\u00e0o.<br>Sau khi s\u1ea3n ph\u1ea9m \u0111\u00e3 ngu\u1ed9i s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh ki\u1ec3m tra t\u1ed5ng th\u1ec3 \u0111\u00e3 \u0111\u1ea1t ti\u00eau chu\u1ea9n theo y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng hay ch\u01b0a. N\u1ebfu h\u00e0ng \u0111\u1ea1t OK s\u1ebd ti\u1ebfp t\u1ef1c c\u00e1c b\u01b0\u1edbc ho\u00e0n thi\u1ec7n v\u00e0 b\u00e0n giao. N\u1ebfu h\u00e0ng NG s\u1ebd quay l\u1ea1i \u00e9p quy tr\u00ecnh \u00e9p s\u1ea3n ph\u1ea9m t\u1eeb \u0111\u1ea7u.<br>Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m ki\u1ec3m so\u00e1t b\u1edfi ti\u00eau chu\u1ea9n TCVN 11025:2015 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ISO 293:2004, \u0111\u01b0\u1ee3c in tr\u00ean bao b\u00ec th\u00f9ng h\u00e0ng xu\u1ea5t \u0111i.<\/p>\n\n\n\n<p>N\u1ed9i dung b\u00e0i vi\u1ebft tr\u00ean ph\u1ea7n l\u1edbn l\u00e0 n\u1ed9i dung \u0111\u01b0\u1ee3c tr\u00edch t\u1eeb:<\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>TI\u00caU CHU\u1ea8N QU\u1ed0C GIA<\/strong><br><strong>TCVN 11025:2015<\/strong><br><strong>ISO 293:2004<\/strong><br><strong>CH\u1ea4T D\u1ebaO &#8211; \u0110\u00daC \u00c9P M\u1eaaU TH\u1eec V\u1eacT LI\u1ec6U NHI\u1ec6T D\u1ebaO<\/strong><br><em>(Ngu\u1ed3n: V\u0103n b\u1ea3n ph\u00e1p lu\u1eadt)<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>TI\u00caU CHU\u1ea8N TCVN 11025:2015 V\u1ec0 CH\u1ea4T D\u1ebaO \u2013 \u0110\u00daC \u00c9P M\u1eaaU TH\u1eec V\u1eacT LI\u1ec6U NHI\u1ec6T D\u1ebaO S\u1ea3n xu\u1ea5t \u0111\u00fac \u00e9p nh\u1ef1a \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo ti\u00eau chu\u1ea9n TCVN 11025:2015 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ISO 293:2004. Ti\u00eau chu\u1ea9n TCVN 11025:2015 V\u1ec1 Ch\u1ea5t D\u1ebbo \u2013 \u0110\u00fac \u00c9p M\u1eabu Th\u1eed V\u1eadt Li\u1ec7u Nhi\u1ec7t D\u1ebbo do Ban k\u1ef9 thu\u1eadt ti\u00eau &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.nhuabinhthuan.com.vn\/vn\/2020\/04\/25\/tieu-chuan-tcvn-110252015-ve-chat-deo-duc-ep-mau-thu-vat-lieu-nhiet-deo\/\"> <span class=\"screen-reader-text\">Ti\u00eau chu\u1ea9n TCVN 11025:2015 v\u1ec1 ch\u1ea5t d\u1ebbo \u2013 \u0111\u00fac \u00e9p m\u1eabu th\u1eed v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":7972,"comment_status":"closed","ping_status":"open","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":"disabled","footer-sml-layout":"","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","footnotes":""},"categories":[7],"tags":[],"class_list":["post-7971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-su-kien"],"_links":{"self":[{"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/posts\/7971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/comments?post=7971"}],"version-history":[{"count":1,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/posts\/7971\/revisions"}],"predecessor-version":[{"id":7973,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/posts\/7971\/revisions\/7973"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/media\/7972"}],"wp:attachment":[{"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/media?parent=7971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/categories?post=7971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nhuabinhthuan.com.vn\/vn\/wp-json\/wp\/v2\/tags?post=7971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}