{"id":21346,"date":"2025-03-09T06:01:00","date_gmt":"2025-03-08T22:01:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21346"},"modified":"2025-03-05T13:07:38","modified_gmt":"2025-03-05T05:07:38","slug":"remove-coating","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/galvanized-steel\/finish\/remove-coating\/","title":{"rendered":"C\u00e1ch lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm: K\u1ef9 thu\u1eadt v\u00e0 m\u1eb9o hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<p>Vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm kh\u1ecfi th\u00e9p th\u01b0\u1eddng l\u00e0 c\u1ea7n thi\u1ebft khi chu\u1ea9n b\u1ecb kim lo\u1ea1i \u0111\u1ec3 s\u01a1n ho\u1eb7c h\u00e0n. M\u1eb7c d\u00f9 c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng n\u1ebfu th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c. Cho d\u00f9 b\u1ea1n \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n t\u1ef1 l\u00e0m hay m\u1ed9t c\u00f4ng tr\u00ecnh l\u1edbn h\u01a1n, v\u1eabn c\u00f3 nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p><p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd xem x\u00e9t c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ec3 t\u00e1ch l\u1edbp m\u1ea1 k\u1ebdm, gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 \u0111\u01b0a ra l\u1eddi khuy\u00ean h\u1eefu \u00edch \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng. Cu\u1ed1i c\u00f9ng, b\u1ea1n s\u1ebd n\u1eafm r\u00f5 h\u01a1n c\u00e1ch ti\u1ebfn h\u00e0nh m\u1ed9t c\u00e1ch t\u1ef1 tin. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u00e0 l\u00e0m r\u00f5 quy tr\u00ecnh n\u00e0y nh\u00e9!<\/p><h2 class=\"wp-block-heading\">T\u1ea1i sao ph\u1ea3i lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm<\/h2><p>Vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm l\u00e0 c\u1ea7n thi\u1ebft khi n\u00f3 c\u1ea3n tr\u1edf c\u00e1c quy tr\u00ecnh nh\u01b0 h\u00e0n ho\u1eb7c s\u01a1n, trong \u0111\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh ho\u1eb7c li\u00ean k\u1ebft th\u00edch h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u00fd do chi ti\u1ebft h\u01a1n<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u00e1m d\u00ednh kh\u00f4ng \u0111\u00fang c\u00e1ch<\/h3><p>N\u1ebfu m\u1ea1 k\u1ebdm kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, s\u01a1n ho\u1eb7c l\u1edbp ph\u1ee7 kh\u00e1c s\u1ebd kh\u00f4ng b\u00e1m d\u00ednh, d\u1eabn \u0111\u1ebfn bong tr\u00f3c ho\u1eb7c s\u1ee9t m\u1ebb l\u00e0m h\u1ecfng l\u1edbp ho\u00e0n thi\u1ec7n.<\/p><h3 class=\"wp-block-heading\">Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t \u0111\u1ec3 h\u00e0n<\/h3><p>Vi\u1ec7c lo\u1ea1i b\u1ecf k\u1ebdm tr\u01b0\u1edbc khi h\u00e0n l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft; n\u1ebfu kh\u00f4ng, kh\u00f3i \u0111\u1ed9c h\u1ea1i sinh ra c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a b\u1ea1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n.<\/p><h3 class=\"wp-block-heading\">S\u1eeda ch\u1eefa ho\u1eb7c s\u01a1n l\u1ea1i l\u1edbp ph\u1ee7<\/h3><p>N\u1ebfu l\u1edbp m\u1ea1 k\u1ebdm b\u1ecb m\u00f2n ho\u1eb7c \u0103n m\u00f2n, vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 s\u1ebd gi\u00fap t\u1ea1o ra l\u1edbp b\u1ea3o v\u1ec7 m\u1edbi, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a th\u00e9p l\u00ean \u0111\u1ebfn 20 n\u0103m.<\/p><h3 class=\"wp-block-heading\">Nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9<\/h3><p>Vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t h\u01a1n v\u00e0 c\u00f3 di\u1ec7n m\u1ea1o m\u1ecbn m\u00e0ng h\u01a1n, t\u00f9y ch\u1ec9nh h\u01a1n n\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 l\u1edbp ho\u00e0n thi\u1ec7n ho\u1eb7c m\u00e0u s\u1eafc c\u1ee5 th\u1ec3.<\/p><h3 class=\"wp-block-heading\">Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh<\/h3><p>Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 x\u00e2y d\u1ef1ng, \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c quy \u0111\u1ecbnh th\u01b0\u1eddng y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm tr\u01b0\u1edbc c\u00e1c quy tr\u00ecnh nh\u01b0 h\u00e0n, s\u01a1n ho\u1eb7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t, \u0111\u1ea3m b\u1ea3o c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c.<\/p><h3 class=\"wp-block-heading\">Ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh r\u1ec9 s\u00e9t tr\u1eafng<\/h3><p>Lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm gi\u00fap ng\u0103n ng\u1eeba g\u1ec9 tr\u1eafng - hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n k\u1ebdm h\u00ecnh th\u00e0nh d\u01b0\u1edbi d\u1ea1ng c\u1eb7n tr\u1eafng d\u1ea1ng b\u1ed9t - \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd, g\u1ec9 tr\u1eafng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0103n m\u00f2n th\u00eam v\u00e0 l\u00e0m suy y\u1ebfu t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a th\u00e9p theo th\u1eddi gian.<\/p><h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm?<\/h2><p>Lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm kh\u1ecfi th\u00e9p l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m c\u1ea3 vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t \u0111\u1ec3 h\u00e0n ho\u1eb7c s\u01a1n l\u1ea1i. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y, c\u00f9ng v\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 l\u01b0u \u00fd quan tr\u1ecdng c\u1ee7a ch\u00fang.<\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i b\u1ecf h\u00f3a ch\u1ea5t<\/h3><h4 class=\"wp-block-heading\"><strong>Gi\u1ea5m gia d\u1ee5ng<\/strong><\/h4><p>Gi\u1ea5m gia d\u1ee5ng, m\u1ed9t dung d\u1ecbch axit axetic, c\u00f3 t\u00e1c d\u1ee5ng t\u1ea9y l\u1edbp m\u1ea1 k\u1ebdm nh\u1eb9 hi\u1ec7u qu\u1ea3. Ng\u00e2m th\u00e9p trong gi\u1ea5m v\u00e0i gi\u1edd, sau \u0111\u00f3 ch\u00e0 s\u1ea1ch b\u1ec1 m\u1eb7t b\u1eb1ng b\u00e0n ch\u1ea3i. Ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng \u0111\u1ed9c h\u1ea1i n\u00e0y an to\u00e0n khi s\u1eed d\u1ee5ng trong nh\u00e0 v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 d\u00e0y h\u01a1n, h\u00e3y chu\u1ea9n b\u1ecb th\u1eddi gian ng\u00e2m l\u00e2u h\u01a1n.<\/p><h4 class=\"wp-block-heading\"><strong>Axit clohydric<\/strong><\/h4><p>Axit clohydric l\u00e0 gi\u1ea3i ph\u00e1p t\u1ea9y g\u1ec9 nhanh ch\u00f3ng v\u00e0 m\u1ea1nh m\u1ebd cho l\u1edbp m\u1ea1 k\u1ebdm. M\u1eb7c d\u00f9 hi\u1ec7u qu\u1ea3 cao, nh\u01b0ng n\u00f3 \u0111\u00f2i h\u1ecfi c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n nghi\u00eam ng\u1eb7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra kh\u00ed hydro, ti\u1ec1m \u1ea9n nguy c\u01a1 ch\u00e1y n\u1ed5. Lu\u00f4n l\u00e0m vi\u1ec7c ngo\u00e0i tr\u1eddi \u1edf khu v\u1ef1c th\u00f4ng tho\u00e1ng, v\u00e0 n\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y nh\u1edd chuy\u00ean gia \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p><h4 class=\"wp-block-heading\"><strong>Axit Citric<\/strong><\/h4><p>Axit citric l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn nh\u1eb9 nh\u00e0ng h\u01a1n \u0111\u1ec3 t\u1ea9y l\u1edbp m\u1ea1 k\u1ebdm. Pha n\u00f3 v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch ng\u00e2m, \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c l\u1edbp ph\u1ee7 m\u1ecfng. N\u00f3 nh\u1eb9 nh\u00e0ng h\u01a1n axit clohydric v\u00e0 \u00edt g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00f4i tr\u01b0\u1eddng h\u01a1n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady cho nh\u1eefng ai t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p an to\u00e0n h\u01a1n.<\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i b\u1ecf c\u01a1 h\u1ecdc<\/h3><h4 class=\"wp-block-heading\"><strong>M\u00e0i<\/strong><\/h4><p>M\u00e0i l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp k\u1ebdm, gi\u00fap ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra nhi\u1ec7t v\u00e0 m\u1ea3nh v\u1ee5n kim lo\u1ea1i, v\u00ec v\u1eady \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i m\u1eb7c \u0111\u1ed3 b\u1ea3o h\u1ed9 ph\u00f9 h\u1ee3p v\u00e0 \u0111\u1ea3m b\u1ea3o th\u00f4ng gi\u00f3 \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u00edt ph\u1ea3i.<\/p><h4 class=\"wp-block-heading\"><strong>Ch\u00e0 nh\u00e1m<\/strong><\/h4><p>Ch\u00e0 nh\u00e1m b\u1eb1ng gi\u1ea5y nh\u00e1m th\u00f4 l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u00e1c khu v\u1ef1c c\u1ee5c b\u1ed9. N\u00f3 cho ph\u00e9p ki\u1ec3m so\u00e1t t\u1ed1t v\u00e0 d\u1ec5 d\u00e0ng x\u1eed l\u00fd. C\u0169ng nh\u01b0 m\u00e0i, b\u1ee5i c\u0169ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng lo ng\u1ea1i, v\u00ec v\u1eady vi\u1ec7c s\u1eed d\u1ee5ng kh\u1ea9u trang ch\u1ed1ng b\u1ee5i v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a b\u1ea1n.<\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i b\u1ecf nhi\u1ec7t<\/h3><p>Vi\u1ec7c nung th\u00e9p \u0111\u1ebfn tr\u1ea1ng th\u00e1i n\u00f3ng \u0111\u1ecf c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebdm b\u1ecb oxy h\u00f3a v\u00e0 bong tr\u00f3c. M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i k\u1ebft qu\u1ea3 nhanh ch\u00f3ng, nh\u01b0ng n\u00f3 ti\u1ec1m \u1ea9n nguy c\u01a1 l\u00e0m cong v\u00eanh th\u00e9p v\u00e0 th\u1ea3i ra kh\u00ed \u0111\u1ed9c. <strong>Ph\u1ea3i h\u1ebft s\u1ee9c th\u1eadn tr\u1ecdng: s\u1eed d\u1ee5ng \u1edf n\u01a1i th\u00f4ng gi\u00f3 t\u1ed1t v\u00e0 m\u1eb7c \u0111\u1ed3 b\u1ea3o h\u1ed9 ch\u1ecbu nhi\u1ec7t.<\/strong><\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i b\u1ecf \u0111i\u1ec7n h\u00f3a<\/h3><p>Ph\u01b0\u01a1ng ph\u00e1p ti\u00ean ti\u1ebfn n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t cell \u0111i\u1ec7n ph\u00e2n \u0111\u1ec3 t\u00e1ch l\u1edbp k\u1ebdm \u0111\u1ec1u. Th\u00e9p m\u1ea1 k\u1ebdm \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ef1c d\u01b0\u01a1ng ho\u1eb7c c\u1ef1c \u00e2m, cho ph\u00e9p lo\u1ea1i b\u1ecf ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u n\u1ec1n. K\u1ef9 thu\u1eadt n\u00e0y ho\u00e0n h\u1ea3o cho c\u00e1c linh ki\u1ec7n y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n m\u1ecbn m\u00e0ng, ch\u1ea5t l\u01b0\u1ee3ng cao, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean trong m\u00f4i tr\u01b0\u1eddng chuy\u00ean nghi\u1ec7p.<\/p><h3 class=\"wp-block-heading\">Nh\u00fang l\u1ea1i v\u00e0o b\u1ed3n t\u1eafm k\u1ebdm<\/h3><p>Vi\u1ec7c nh\u00fang l\u1ea1i th\u00e9p trong b\u1ec3 k\u1ebdm n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp m\u1ea1 k\u1ebdm, nh\u01b0ng ch\u1ec9 hi\u1ec7u qu\u1ea3 n\u1ebfu l\u1edbp m\u1ea1 c\u0169 \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u00fang c\u00e1ch. L\u1edbp m\u1ea1 m\u1edbi s\u1ebd kh\u00f4ng b\u00e1m d\u00ednh t\u1ed1t n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t k\u1ef9 l\u01b0\u1ee1ng, l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng b\u1ea3o v\u1ec7 v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd.<\/p><h4 class=\"wp-block-heading\"><strong>Li\u1ec7u phun c\u00e1t m\u00e0i m\u00f2n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm kh\u00f4ng?<\/strong><\/h4><p>C\u00f3, phun c\u00e1t lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t m\u00e0i m\u00f2n \u00e1p su\u1ea5t cao \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm. \u0110\u1ec3 b\u1ea3o v\u1ec7 th\u00e9p, h\u00e3y gi\u1eef \u00e1p su\u1ea5t phun \u1edf m\u1ee9c kho\u1ea3ng 90 \u0111\u1ebfn 100 psi. Lu\u00f4n \u0111eo \u0111\u1ed3 b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng ph\u00f9 h\u1ee3p, bao g\u1ed3m c\u1ea3 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, \u0111\u1ec3 tr\u00e1nh h\u00edt ph\u1ea3i b\u1ee5i \u0111\u1ed9c h\u1ea1i.<\/p><h4 class=\"wp-block-heading\"><strong>Axit muriatic c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm kh\u00f4ng?<\/strong><\/h4><p>C\u00f3, axit muriatic c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, h\u00e3y c\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng v\u00ec n\u00f3 t\u1ea1o ra kh\u00f3i \u0111\u1ed9c h\u1ea1i v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf n\u01a1i th\u00f4ng tho\u00e1ng.<\/p><h4 class=\"wp-block-heading\"><strong>B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch th\u00e9p m\u1ea1 k\u1ebdm b\u1eb1ng Acetone kh\u00f4ng?<\/strong><\/h4><p>C\u00f3, axeton c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch th\u00e9p m\u1ea1 k\u1ebdm. N\u00f3 lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1 v\u00e0 ch\u1ea5t b\u1ea9n nh\u01b0ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp m\u1ea1 k\u1ebdm.<\/p><h2 class=\"wp-block-heading\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm<\/h2><p>Vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm kh\u1ecfi th\u00e9p \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn. C\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e1c b\u01b0\u1edbc chi ti\u1ebft \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp m\u1ea1 k\u1ebdm, nh\u01b0ng ch\u00fang t\u00f4i v\u1eabn khuy\u1ebfn ngh\u1ecb b\u1ea1n n\u00ean \u01b0u ti\u00ean an to\u00e0n.<\/p><h3 class=\"wp-block-heading\">S\u1ef1 chu\u1ea9n b\u1ecb<\/h3><ul class=\"wp-block-list\"><li><strong>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/strong>: Th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 \u1edf n\u01a1i th\u00f4ng tho\u00e1ng ho\u1eb7c ngo\u00e0i tr\u1eddi.<\/li>\n\n<li><strong>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/strong>: S\u1eed d\u1ee5ng g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 kh\u1ea9u trang.<\/li>\n\n<li><strong>Th\u00f9ng ch\u1ee9a<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t th\u00f9ng ch\u1ee9a \u0111\u1ee7 l\u1edbn \u0111\u1ec3 ng\u1eadp ho\u00e0n to\u00e0n v\u1eadt m\u1ea1 k\u1ebdm.<\/li><\/ul><h3 class=\"wp-block-heading\">B\u1ed3n t\u1eafm axit<\/h3><ul class=\"wp-block-list\"><li><strong>Gi\u1ea3i ph\u00e1p<\/strong>: \u0110\u1ed5 \u0111\u1ea7y b\u00ecnh ch\u1ee9a b\u1eb1ng axit clohydric lo\u00e3ng (n\u1ed3ng \u0111\u1ed9 10-20%).<\/li>\n\n<li><strong>S\u1ef1 \u0111\u1eafm ch\u00ecm<\/strong>: Nh\u00fang v\u1eadt m\u1ea1 k\u1ebdm v\u00e0o n\u01b0\u1edbc. Hi\u1ec7n t\u01b0\u1ee3ng s\u1ee7i b\u1ecdt cho th\u1ea5y k\u1ebdm \u0111ang h\u00f2a tan.<\/li>\n\n<li><strong>Gi\u00e1m s\u00e1t<\/strong>: Theo d\u00f5i ch\u1eb7t ch\u1ebd. Th\u1eddi gian lo\u1ea1i b\u1ecf thay \u0111\u1ed5i t\u00f9y theo \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp ph\u1ee7 v\u00e0 n\u1ed3ng \u0111\u1ed9 axit.<\/li><\/ul><h3 class=\"wp-block-heading\">Trung h\u00f2a v\u00e0 r\u1eeda s\u1ea1ch<\/h3><ul class=\"wp-block-list\"><li><strong>Trung h\u00f2a<\/strong>: Th\u00eam baking soda (natri bicacbonat) v\u00e0o b\u1ed3n t\u1eafm cho \u0111\u1ebfn khi h\u1ebft b\u1ecdt \u0111\u1ec3 trung h\u00f2a axit.<\/li>\n\n<li><strong>R\u1eeda s\u1ea1ch<\/strong>: L\u1ea5y v\u1eadt \u0111\u00f3 ra v\u00e0 r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i b\u1ecf h\u1ebft axit c\u00f2n s\u00f3t l\u1ea1i.<\/li><\/ul><h3 class=\"wp-block-heading\">S\u1ea5y kh\u00f4<\/h3><ul class=\"wp-block-list\"><li><strong>Qu\u00e1 tr\u00ecnh s\u1ea5y kh\u00f4<\/strong>: \u0110\u1ec3 s\u1ea3n ph\u1ea9m kh\u00f4 ho\u00e0n to\u00e0n. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng gi\u1eef \u1ea9m, gi\u1ea3m nguy c\u01a1 r\u1ec9 s\u00e9t.<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110i\u1ec1u tr\u1ecb sau khi nh\u1ed5 r\u0103ng<\/h3><ul class=\"wp-block-list\"><li><strong>V\u1ec7 sinh trung t\u00ednh<\/strong>: L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t b\u1eb1ng dung d\u1ecbch trung t\u00ednh (v\u00ed d\u1ee5: n\u01b0\u1edbc ki\u1ec1m lo\u00e3ng ho\u1eb7c n\u01b0\u1edbc ng\u1ecdt) \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 h\u00f3a ch\u1ea5t c\u00f2n s\u00f3t l\u1ea1i n\u00e0o.<\/li>\n\n<li><strong>th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/strong>: S\u1eed d\u1ee5ng quy tr\u00ecnh th\u1ee5 \u0111\u1ed9ng h\u00f3a (nh\u01b0 phosphat h\u00f3a) \u0111\u1ec3 t\u1ea1o l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li><strong>M\u1ea1 k\u1ebdm l\u1ea1i ho\u1eb7c ph\u1ee7 l\u1edbp<\/strong>: N\u1ebfu m\u1ea1 k\u1ebdm l\u1ea1i, h\u00e3y th\u1ef1c hi\u1ec7n sau khi v\u1ec7 sinh v\u00e0 s\u1ea5y kh\u00f4. N\u1ebfu kh\u00f4ng, h\u00e3y c\u00e2n nh\u1eafc s\u01a1n ph\u1ee7 ho\u1eb7c s\u01a1n l\u00f3t b\u1ea3o v\u1ec7.<\/li>\n\n<li><strong>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/strong>: \u0110\u1ec3 c\u00f3 l\u1edbp ho\u00e0n thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao, h\u00e3y \u0111\u00e1nh b\u00f3ng ho\u1eb7c ch\u00e0 nh\u00e1m nh\u1eb9 \u0111\u1ec3 lo\u1ea1i b\u1ecf qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 chu\u1ea9n b\u1ecb cho l\u1edbp ph\u1ee7.<\/li>\n\n<li><strong>L\u01b0u tr\u1eef m\u00f4i tr\u01b0\u1eddng<\/strong>: B\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t \u0111\u1ec3 tr\u00e1nh b\u1ecb oxy h\u00f3a ho\u1eb7c \u0103n m\u00f2n nhanh.<\/li><\/ul><h3 class=\"wp-block-heading\">Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n<\/h3><ul class=\"wp-block-list\"><li><strong>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/strong>: Lu\u00f4n m\u1eb7c \u0111\u1ed3 b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n ph\u00f9 h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 kh\u1ea9u trang.<\/li>\n\n<li><strong>Th\u00f4ng gi\u00f3<\/strong>: \u0110\u1ea3m b\u1ea3o th\u00f4ng gi\u00f3 t\u1ed1t khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc ho\u1eb7c nhi\u1ec7t \u0111\u1ec3 tr\u00e1nh h\u00edt ph\u1ea3i kh\u00ed \u0111\u1ed9c.<\/li>\n\n<li><strong>X\u1eed l\u00fd \u0111\u00fang c\u00e1ch<\/strong>: X\u1eed l\u00fd m\u1ecdi ch\u1ea5t th\u1ea3i, bao g\u1ed3m h\u00f3a ch\u1ea5t v\u00e0 c\u1eb7n kim lo\u1ea1i, theo quy \u0111\u1ecbnh c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u<\/strong>: \u0110\u1ea3m b\u1ea3o axit v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 ch\u1ecdn t\u01b0\u01a1ng th\u00edch v\u1edbi lo\u1ea1i th\u00e9p c\u1ee5 th\u1ec3 \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n.<\/li>\n\n<li><strong>Qu\u1ea3n l\u00fd th\u1eddi gian<\/strong>: Theo d\u00f5i c\u1ea9n th\u1eadn th\u1eddi gian ng\u00e2m; ti\u1ebfp x\u00fac qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0103n m\u00f2n v\u1eadt li\u1ec7u n\u1ec1n.<\/li>\n\n<li><strong>Qu\u1ea3n l\u00fd kh\u00f3i<\/strong>: C\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn kh\u00ed hydro v\u00e0 c\u00e1c lo\u1ea1i kh\u00f3i \u0111\u1ed9c h\u1ea1i kh\u00e1c sinh ra trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd axit.<\/li>\n\n<li><strong>X\u1eed l\u00fd h\u00f3a ch\u1ea5t<\/strong>: X\u1eed l\u00fd h\u00f3a ch\u1ea5t theo B\u1ea3ng d\u1eef li\u1ec7u an to\u00e0n (SDS) \u0111\u1ec3 b\u1ea3o qu\u1ea3n v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/li>\n\n<li><strong>Ki\u1ec3m tra<\/strong>: Tr\u01b0\u1edbc ti\u00ean h\u00e3y ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m tr\u00ean m\u1ed9t di\u1ec7n t\u00edch nh\u1ecf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p.<\/li>\n\n<li><strong>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i<\/strong>: X\u1eed l\u00fd an to\u00e0n t\u1ea5t c\u1ea3 ch\u1ea5t th\u1ea3i v\u00e0 n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 tr\u00e1nh g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul><h2 class=\"wp-block-heading\">Cung c\u1ea5p gi\u1ea3i ph\u00e1p chuy\u00ean nghi\u1ec7p \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm<\/h2><p>Vi\u1ec7c lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm \u0111\u00f2i h\u1ecfi ph\u1ea3i \u00e1p d\u1ee5ng c\u1ea9n th\u1eadn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc, c\u01a1 h\u1ecdc ho\u1eb7c nhi\u1ec7t, v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n c\u1ea7n thi\u1ebft.&nbsp;<\/p><p>SteelPRO Group kh\u00f4ng ch\u1ec9 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p lo\u1ea1i b\u1ecf k\u1ebdm hi\u1ec7u qu\u1ea3 \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t h\u00e0n m\u00e0 c\u00f2n cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn gia c\u00f4ng m\u1ea1 k\u1ebdm. Ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o vi\u1ec7c cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p m\u1ea1 k\u1ebdm ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0: <a href=\"https:\/\/steelprogroup.com\/vi\/product-category\/galvanized-steel\/coil\/\"><strong>cu\u1ed9n d\u00e2y m\u1ea1 k\u1ebdm<\/strong><\/a> V\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/product-category\/galvanized-steel\/sheet\/\"><strong>t\u1ea5m m\u1ea1 k\u1ebdm<\/strong><\/a>.&nbsp;<\/p><p>V\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u0111\u00e1ng tin c\u1eady, ch\u00fang t\u00f4i l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u c\u1ee7a b\u1ea1n cho c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p m\u1ea1 k\u1ebdm. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 v\u00e0 th\u1eddi gian giao h\u00e0ng c\u1ea1nh tranh nh\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Removing the galvanized coating from steel is often necessary when preparing metal for painting or welding. While it might seem [&hellip;]<\/p>","protected":false},"author":12,"featured_media":21341,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4312,4273],"tags":[],"class_list":["post-21346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finish-galvanized-steel","category-galvanized-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=21346"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21346\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21341"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}