{"id":4080,"date":"2026-11-10T09:00:00","date_gmt":"2026-11-10T01:00:00","guid":{"rendered":"https:\/\/joobond.com\/?p=4080"},"modified":"2026-10-28T00:02:48","modified_gmt":"2026-10-27T16:02:48","slug":"huong-dan-thanh-xop-chen-khe-o-kin-o-ho-chon-kich-thuoc","status":"publish","type":"post","link":"https:\/\/joobond.com\/vi\/huong-dan-thanh-xop-chen-khe-o-kin-o-ho-chon-kich-thuoc\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 thanh ch\u00e8n khe: \u00d4 k\u00edn so v\u1edbi \u00f4 h\u1edf v\u00e0 c\u00e1ch ch\u1ecdn k\u00edch c\u1ee1 theo \u0111\u1ed9 r\u1ed9ng khe"},"content":{"rendered":"

S\u1ef1 c\u1ed1 h\u1ecfng ch\u1ea5t tr\u00e1m t\u1ea1i m\u1ed9t m\u1ed1i n\u1ed1i v\u1ed1n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn k\u1ef9 l\u01b0\u1ee1ng th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t mi\u1ebfng x\u1ed1p nh\u1ecf b\u00e9, hay b\u1ecb b\u1ecf qua h\u01a1n l\u00e0 do ch\u00ednh ch\u1ea5t tr\u00e1m. Thanh x\u1ed1p ch\u00e8n khe (backer rod) l\u00e0 d\u1ea3i x\u1ed1p d\u1ebbo \u0111\u01b0\u1ee3c l\u1eafp b\u00ean trong m\u1ed1i n\u1ed1i tr\u01b0\u1edbc khi b\u01a1m keo tr\u00e1m, v\u00e0 nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng \u2014 n\u00f3 gi\u00fap ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u1ea5t tr\u00e1m, ng\u0103n ng\u1eeba b\u00e1m d\u00ednh v\u00e0o c\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng mong mu\u1ed1n v\u00e0 \u0111\u1ecbnh h\u00ecnh kh\u1ea3 n\u0103ng ch\u1ecbu chuy\u1ec3n v\u1ecb th\u1ef1c t\u1ebf c\u1ee7a \u0111\u01b0\u1eddng keo. B\u1ecf qua b\u01b0\u1edbc n\u00e0y ho\u1eb7c ch\u1ecdn sai k\u00edch th\u01b0\u1edbc, ngay c\u1ea3 ch\u1ea5t tr\u00e1m cao c\u1ea5p nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng ch\u1ec9 sau m\u1ed9t chu k\u1ef3 th\u1eddi ti\u1ebft.<\/p>\n\n\n\n

T\u00e1c d\u1ee5ng th\u1ef1c s\u1ef1 c\u1ee7a thanh x\u1ed1p ch\u00e8n khe<\/h2>\n\n\n\n

B\u00e1m d\u00ednh ba m\u1eb7t (three-sided adhesion) l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ed1t l\u00f5i m\u00e0 thanh x\u1ed1p ch\u00e8n khe gi\u1ea3i quy\u1ebft. Trong m\u1ed9t m\u1ed1i n\u1ed1i \u0111i\u1ec3n h\u00ecnh \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1eefa hai t\u1ea5m b\u00ea t\u00f4ng \u2014 ch\u1ea5t tr\u00e1m th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng b\u00e1m d\u00ednh v\u00e0o c\u1ea3 ba b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac: hai m\u1eb7t b\u00ean th\u1eb3ng \u0111\u1ee9ng v\u00e0 \u0111\u00e1y m\u1ed1i n\u1ed1i. Khi ch\u1ea5t tr\u00e1m b\u1ecb b\u00e1m d\u00ednh \u1edf c\u1ea3 ba m\u1eb7t, n\u00f3 kh\u00f4ng th\u1ec3 gi\u00e3n v\u00e0 n\u00e9n b\u00ecnh th\u01b0\u1eddng khi m\u1ed1i n\u1ed1i chuy\u1ec3n v\u1ecb, v\u00ec li\u00ean k\u1ebft \u1edf \u0111\u00e1y s\u1ebd c\u1ea3n tr\u1edf b\u1ec1 m\u1eb7t tr\u00ean co gi\u00e3n. \u0110i\u1ec1u n\u00e0y h\u1ea7u nh\u01b0 lu\u00f4n khi\u1ebfn ch\u1ea5t tr\u00e1m b\u1ecb r\u00e1ch t\u1eeb b\u00ean trong tr\u01b0\u1edbc khi h\u1ecfng do t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1eddi ti\u1ebft.<\/p>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u0111\u1eb7t \u1edf \u0111\u00e1y m\u1ed1i n\u1ed1i \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u1edbp ng\u1eaft li\u00ean k\u1ebft (bond breaker) \u2014 m\u1ed9t b\u1ec1 m\u1eb7t m\u00e0 keo tr\u00e1m kh\u00f4ng th\u1ec3 d\u00ednh v\u00e0o \u2014 nh\u1edd \u0111\u00f3 ch\u1ea5t tr\u00e1m ch\u1ec9 li\u00ean k\u1ebft v\u1edbi hai b\u1ec1 m\u1eb7t th\u1eb3ng \u0111\u1ee9ng c\u1ee7a khe. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u1ea5t tr\u00e1m t\u1ef1 do t\u1ea1o th\u00e0nh m\u1eb7t c\u1eaft ngang h\u00ecnh \u0111\u1ed3ng h\u1ed3 c\u00e1t khi khe d\u1ecbch chuy\u1ec3n, \u0111\u00e2y ch\u00ednh l\u00e0 h\u00ecnh d\u1ea1ng t\u1ed1i \u01b0u \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co ng\u00f3t m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch. Thanh x\u1ed1p ch\u00e8n khe c\u0169ng t\u1ea1o \u0111i\u1ec3m t\u1ef1a ch\u1eafc ch\u1eafn \u0111\u1ec3 ng\u01b0\u1eddi thi c\u00f4ng mi\u1ebft keo, gi\u00fap ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng keo \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u00fang quy c\u00e1ch tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i m\u1ed1i n\u1ed1i.<\/p>\n\n\n\n

\"S\u01a1<\/figure>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u00f4 k\u00edn (Closed-Cell) v\u00e0 \u00f4 h\u1edf (Open-Cell)<\/h2>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u00f4 k\u00edn c\u00f3 b\u1ec1 m\u1eb7t ngo\u00e0i d\u1ea1ng m\u00e0ng k\u00edn v\u1edbi c\u00e1c b\u1ecdt kh\u00ed kh\u00e9p k\u00edn b\u00ean trong, ngh\u0129a l\u00e0 kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn chu\u1ea9n x\u00e1c cho b\u1ea5t k\u1ef3 m\u1ed1i n\u1ed1i ngo\u00e0i tr\u1eddi n\u00e0o, c\u00e1c m\u1ed1i n\u1ed1i ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o m\u00e0 thanh x\u1ed1p c\u00f3 th\u1ec3 n\u1eb1m trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt tr\u01b0\u1edbc ho\u1eb7c trong khi b\u01a1m keo tr\u00e1m \u2014 thanh x\u1ed1p \u00f4 h\u1edf b\u1ecb \u00fang n\u01b0\u1edbc c\u00f3 th\u1ec3 gi\u1eef \u1ea9m ngay s\u00e1t \u0111\u01b0\u1eddng keo tr\u00e1m v\u00e0 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c lo\u1ea1i keo tr\u00e1m nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m.<\/p>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u00f4 h\u1edf c\u00f3 c\u1ea5u tr\u00fac d\u1ea1ng b\u1ecdt bi\u1ec3n x\u1ed1p, d\u1ec5 h\u00fat n\u01b0\u1edbc v\u00e0 th\u01b0\u1eddng c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n lo\u1ea1i \u00f4 k\u00edn. \u0110\u00e2y v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd cho c\u00e1c m\u1ed1i n\u1ed1i n\u1ed9i th\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4 r\u00e1o li\u00ean t\u1ee5c, n\u01a1i vi\u1ec7c h\u00fat \u1ea9m kh\u00f4ng bao gi\u1edd l\u00e0 m\u1ed1i b\u1eadn t\u00e2m th\u1ef1c t\u1ebf \u2014 nh\u01b0 khe ki\u1ec3m so\u00e1t co ng\u00f3t \u1edf t\u1ea7ng h\u1ea7m kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, khe co gi\u00e3n n\u1ed9i th\u1ea5t trong c\u00e1c t\u00f2a nh\u00e0 c\u00f3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, ho\u1eb7c c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00f4 r\u00e1o t\u01b0\u01a1ng t\u1ef1. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng thanh x\u1ed1p \u00f4 h\u1edf cho m\u1ed1i n\u1ed1i ngo\u00e0i tr\u1eddi ho\u1eb7c khu v\u1ef1c \u1ea9m \u01b0\u1edbt l\u00e0 m\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng: thanh x\u1ed1p s\u1ebd h\u00fat v\u00e0 gi\u1eef n\u01b0\u1edbc s\u00e1t \u0111\u01b0\u1eddng keo tr\u00e1m, v\u00e0 \u1edf v\u00f9ng kh\u00ed h\u1eadu \u0111\u00f3ng b\u0103ng - tan b\u0103ng, l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ecb gi\u1eef l\u1ea1i \u0111\u00f3 c\u00f3 th\u1ec3 n\u1edf ra v\u00e0 \u0111\u1ea9y \u0111\u01b0\u1eddng keo tr\u00e1m l\u1ed3i ra ngo\u00e0i t\u1eeb ph\u00eda sau.<\/p>\n\n\n\n

Ch\u1ecdn k\u00edch th\u01b0\u1edbc thanh x\u1ed1p ch\u00e8n khe ph\u00f9 h\u1ee3p v\u1edbi m\u1ed1i n\u1ed1i<\/h2>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe c\u1ea7n c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n chi\u1ec1u r\u1ed9ng m\u1ed1i n\u1ed1i \u0111\u1ec3 c\u00f3 th\u1ec3 gi\u1eef c\u1ed1 \u0111\u1ecbnh b\u1eb1ng l\u1ef1c n\u00e9n thay v\u00ec d\u1ef1a v\u00e0o keo d\u00e1n hay \u1ed1c v\u00edt c\u01a1 h\u1ecdc. Quy t\u1eafc ng\u00f3n tay c\u00e1i ti\u00eau chu\u1ea9n l\u00e0 \u0111\u01b0\u1eddng k\u00ednh thanh x\u1ed1p n\u00ean l\u1edbn h\u01a1n kho\u1ea3ng 25% so v\u1edbi chi\u1ec1u r\u1ed9ng khe \u2014 v\u00ed d\u1ee5: khe r\u1ed9ng 1\/2 inch th\u01b0\u1eddng d\u00f9ng thanh x\u1ed1p 5\/8 inch, v\u00e0 khe r\u1ed9ng 3\/4 inch th\u01b0\u1eddng d\u00f9ng thanh 1 inch. Vi\u1ec7c ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n n\u00e0y gi\u00fap thanh x\u1ed1p b\u1ecb n\u00e9n nh\u1eb9 khi \u0111\u1ea9y v\u00e0o khe, gi\u1eef c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn \u1edf \u0111\u1ed9 s\u00e2u ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n d\u00f9ng th\u00eam ch\u1ea5t k\u1ebft d\u00ednh.<\/p>\n\n\n\n

X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m vi\u1ec7c ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh. Thanh x\u1ed1p c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t sao cho \u0111\u1ed9 s\u00e2u c\u00f2n l\u1ea1i c\u1ee7a ch\u1ea5t tr\u00e1m kh\u1edbp v\u1edbi t\u1ef7 l\u1ec7 chi\u1ec1u r\u1ed9ng - chi\u1ec1u s\u00e2u do nh\u00e0 s\u1ea3n xu\u1ea5t keo khuy\u1ebfn ngh\u1ecb, th\u00f4ng th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 2:1 \u0111\u1ed1i v\u1edbi khe n\u00f4ng b\u1ea3n r\u1ed9ng ho\u1eb7c g\u1ea7n 1:1 \u0111\u1ed1i v\u1edbi khe h\u1eb9p h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ecbnh m\u1ee9c kh\u1ea3 n\u0103ng ch\u1ecbu chuy\u1ec3n v\u1ecb c\u1ee7a t\u1eebng lo\u1ea1i keo tr\u00e1m c\u1ee5 th\u1ec3. \u0110\u1eb7t thanh x\u1ed1p qu\u00e1 s\u00e2u s\u1ebd khi\u1ebfn l\u01b0\u1ee3ng keo tr\u00e1m qu\u00e1 d\u00e0y, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn v\u00e0 t\u0103ng nguy c\u01a1 r\u00e1ch keo khi c\u00f3 chuy\u1ec3n d\u1ecbch; \u0111\u1eb7t qu\u00e1 n\u00f4ng s\u1ebd khi\u1ebfn l\u01b0\u1ee3ng keo kh\u00f4ng \u0111\u1ee7 d\u00e0y \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c bi\u00ean \u0111\u1ed9 chuy\u1ec3n v\u1ecb d\u1ef1 ki\u1ebfn c\u1ee7a m\u1ed1i n\u1ed1i.<\/p>\n\n\n\n

\"B\u1ea3ng<\/figure>\n\n\n\n

B\u1ea3ng tra nhanh: \u0110\u01b0\u1eddng k\u00ednh thanh x\u1ed1p ch\u00e8n khe theo chi\u1ec1u r\u1ed9ng m\u1ed1i n\u1ed1i<\/h2>\n\n\n\n
Chi\u1ec1u r\u1ed9ng m\u1ed1i n\u1ed1i<\/th>\u0110\u01b0\u1eddng k\u00ednh thanh x\u1ed1p ch\u00e8n khe khuy\u1ebfn ngh\u1ecb<\/th>\u0110\u1ed9 s\u00e2u keo tr\u00e1m th\u00f4ng th\u01b0\u1eddng sau khi mi\u1ebft<\/th><\/tr><\/thead>
1\/4 inch<\/td>3\/8 inch<\/td>1\/8 \u2013 3\/16 inch<\/td><\/tr>
1\/2 inch<\/td>5\/8 inch<\/td>1\/4 \u2013 3\/8 inch<\/td><\/tr>
3\/4 inch<\/td>1 inch<\/td>3\/8 \u2013 1\/2 inch<\/td><\/tr>
1 inch<\/td>1-1\/4 inch<\/td>1\/2 \u2013 5\/8 inch<\/td><\/tr><\/tbody><\/table>\n\n\n\n

L\u01b0u \u00fd khi thi c\u00f4ng<\/h2>\n\n\n\n

Khi l\u1eafp \u0111\u1eb7t thanh x\u1ed1p ch\u00e8n khe, h\u00e3y n\u00e9n v\u00e0 l\u0103n thanh x\u1ed1p v\u00e0o khe thay v\u00ec k\u00e9o gi\u00e3n theo chi\u1ec1u d\u1ecdc, v\u00ec vi\u1ec7c k\u00e9o gi\u00e3n s\u1ebd l\u00e0m gi\u1ea3m \u0111\u01b0\u1eddng k\u00ednh hi\u1ec7u d\u1ee5ng v\u00e0 khi\u1ebfn thanh x\u1ed1p b\u1ecb thi\u1ebfu k\u00edch th\u01b0\u1edbc t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t. D\u1ee5ng c\u1ee5 \u0111\u1ea7u t\u00f9 \u2014 nhi\u1ec1u th\u1ee3 thi c\u00f4ng d\u00f9ng con l\u0103n ch\u00e8n x\u1ed1p chuy\u00ean d\u1ee5ng, ho\u1eb7c bay tr\u00e9t \u0111\u1ea7u tr\u00f2n cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1ecf h\u01a1n \u2014 s\u1ebd gi\u00fap \u0111\u1ea9y thanh x\u1ed1p xu\u1ed1ng \u0111\u1ed9 s\u00e2u \u0111\u1ed3ng \u0111\u1ec1u d\u1ecdc theo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i khe m\u00e0 kh\u00f4ng l\u00e0m r\u00e1ch hay th\u1ee7ng x\u1ed1p.<\/p>\n\n\n\n

Tr\u00e1nh l\u00e0m th\u1ee7ng thanh x\u1ed1p trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi lo\u1ea1i \u00f4 k\u00edn \u2014 thanh x\u1ed1p \u00f4 k\u00edn b\u1ecb th\u1ee7ng c\u00f3 th\u1ec3 h\u00fat n\u01b0\u1edbc qua \u0111i\u1ec3m r\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 lo\u1ea1i \u00f4 h\u1edf, l\u00e0m m\u1ea5t \u0111i t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ban \u0111\u1ea7u. Ki\u1ec3m tra to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i khe \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u00e2u \u0111\u1ed3ng \u0111\u1ec1u tr\u01b0\u1edbc khi b\u01a1m keo; \u0111\u1ed9 s\u00e2u thanh x\u1ed1p kh\u00f4ng \u0111\u1ec1u s\u1ebd d\u1eabn \u0111\u1ebfn \u0111\u01b0\u1eddng keo kh\u00f4ng ph\u1eb3ng, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c mi\u1ebft keo theo \u0111\u00fang bi\u00ean d\u1ea1ng y\u00eau c\u1ea7u.<\/p>\n\n\n\n

\"B\u00e0n<\/figure>\n\n\n\n

C\u00e1c sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

B\u1ecf qua ho\u00e0n to\u00e0n thanh x\u1ed1p ch\u00e8n khe tr\u00ean m\u1ed9t m\u1ed1i n\u1ed1i \u0111\u1ee7 s\u00e2u c\u1ea7n d\u00f9ng l\u00e0 sai l\u1ea7m \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 n\u1eb7ng n\u1ec1 nh\u1ea5t, v\u00ec ch\u1ea5t tr\u00e1m s\u1ebd b\u00e1m d\u00ednh c\u1ea3 ba m\u1eb7t v\u00e0 b\u1ecb r\u00e1ch t\u1eeb b\u00ean trong khi m\u1ed1i n\u1ed1i chuy\u1ec3n v\u1ecb b\u00ecnh th\u01b0\u1eddng \u2014 d\u1ea1ng h\u01b0 h\u1ecfng n\u00e0y th\u01b0\u1eddng ch\u1ec9 xu\u1ea5t hi\u1ec7n r\u1ea5t l\u00e2u sau khi ho\u00e0n thi\u1ec7n, khi\u1ebfn vi\u1ec7c t\u00ecm ra nguy\u00ean nh\u00e2n do thi\u1ebfu thanh x\u1ed1p tr\u1edf n\u00ean kh\u00f3 kh\u0103n. D\u00f9ng thanh x\u1ed1p \u00f4 h\u1edf \u1edf ngo\u00e0i tr\u1eddi ho\u1eb7c khu v\u1ef1c \u1ea9m \u01b0\u1edbt l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn th\u1ee9 hai, l\u00e0m \u0111\u1ecdng \u1ea9m s\u00e1t l\u1edbp keo v\u00e0 g\u00e2y nguy c\u01a1 h\u01b0 h\u1ea1i do gi\u00e3n n\u1edf chu k\u1ef3 \u0111\u00f3ng b\u0103ng - tan b\u0103ng \u1edf v\u00f9ng kh\u00ed h\u1eadu l\u1ea1nh.<\/p>\n\n\n\n

Ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh thanh x\u1ed1p nh\u1ecf h\u01a1n chi\u1ec1u r\u1ed9ng khe l\u00e0 m\u1ed9t sai s\u00f3t th\u01b0\u1eddng g\u1eb7p nh\u01b0ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c \u2014 thanh x\u1ed1p qu\u00e1 nh\u1ecf s\u1ebd kh\u00f4ng th\u1ec3 gi\u1eef ch\u1eb7t t\u1ea1i ch\u1ed7 nh\u1edd l\u1ef1c n\u00e9n, b\u1ecb x\u00ea d\u1ecbch khi b\u01a1m keo v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i kho\u1ea3ng tr\u1ed1ng khi\u1ebfn keo tr\u00e1m tr\u00e0n ra ph\u00eda sau, l\u00e0m m\u1ea5t ho\u00e0n to\u00e0n ch\u1ee9c n\u0103ng ng\u1eaft li\u00ean k\u1ebft. Lu\u00f4n ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n kho\u1ea3ng 25% so v\u1edbi chi\u1ec1u r\u1ed9ng khe \u0111o \u0111\u01b0\u1ee3c thay v\u00ec ch\u1ecdn k\u00edch th\u01b0\u1edbc b\u1eb1ng nhau ch\u1eb1n ch\u1eb7n.<\/p>\n\n\n\n

Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

T\u00f4i c\u00f3 nh\u1ea5t thi\u1ebft ph\u1ea3i d\u00f9ng thanh x\u1ed1p ch\u00e8n khe tr\u01b0\u1edbc khi b\u01a1m keo tr\u00e1m kh\u00f4ng?<\/h3>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe l\u00e0 c\u1ea7n thi\u1ebft b\u1ea5t c\u1ee9 khi n\u00e0o m\u1ed1i n\u1ed1i \u0111\u1ee7 s\u00e2u \u0111\u1ec3 ch\u1ea5t tr\u00e1m c\u00f3 nguy c\u01a1 b\u00e1m d\u00ednh v\u00e0o c\u1ea3 \u0111\u00e1y l\u1eabn hai m\u1eb7t b\u00ean. C\u00e1c khe n\u00f4ng \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u ti\u00eau chu\u1ea9n theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t keo m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ec7m th\u00ec c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n d\u00f9ng, nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c khe co gi\u00e3n v\u00e0 khe ki\u1ec3m so\u00e1t ti\u00eau chu\u1ea9n \u0111\u1ec1u b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3.<\/p>\n\n\n\n

T\u00f4i n\u00ean ch\u1ecdn k\u00edch th\u01b0\u1edbc thanh x\u1ed1p ch\u00e8n khe n\u00e0o cho m\u1ed1i n\u1ed1i c\u1ee7a m\u00ecnh?<\/h3>\n\n\n\n

Theo quy t\u1eafc chung, h\u00e3y ch\u1ecdn thanh x\u1ed1p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n kho\u1ea3ng 25% so v\u1edbi chi\u1ec1u r\u1ed9ng khe \u2014 v\u00ed d\u1ee5: d\u00f9ng thanh 5\/8 inch cho khe 1\/2 inch. K\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n n\u00e0y gi\u00fap thanh x\u1ed1p t\u1ef1 c\u1ed1 \u0111\u1ecbnh nh\u1edd l\u1ef1c n\u00e9n \u1edf \u0111\u1ed9 s\u00e2u ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n d\u00f9ng th\u00eam ch\u1ea5t k\u1ebft d\u00ednh.<\/p>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u00f4 k\u00edn hay \u00f4 h\u1edf t\u1ed1t h\u01a1n?<\/h3>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe \u00f4 k\u00edn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc v\u00e0 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ed1i n\u1ed1i ngo\u00e0i tr\u1eddi ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m. Thanh x\u1ed1p \u00f4 h\u1edf c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i n\u1ed9i th\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4 r\u00e1o li\u00ean t\u1ee5c, nh\u01b0ng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean d\u00f9ng \u1edf b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc.<\/p>\n\n\n\n

T\u1ea1i sao \u0111\u01b0\u1eddng keo tr\u00e1m c\u1ee7a t\u00f4i v\u1eabn b\u1ecb n\u1ee9t d\u00f9 \u0111\u00e3 d\u00f9ng thanh x\u1ed1p ch\u00e8n khe?<\/h3>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t d\u00f9 c\u00f3 d\u00f9ng thanh x\u1ed1p th\u01b0\u1eddng do ch\u1ecdn sai k\u00edch th\u01b0\u1edbc ho\u1eb7c \u0111\u1eb7t sai \u0111\u1ed9 s\u00e2u ch\u1ee9 kh\u00f4ng ph\u1ea3i do thi\u1ebfu thanh x\u1ed1p \u2014 thanh x\u1ed1p qu\u00e1 nh\u1ecf c\u00f3 th\u1ec3 b\u1ecb l\u1ec7ch v\u1ecb tr\u00ed, c\u00f2n \u0111\u1eb7t sai \u0111\u1ed9 s\u00e2u s\u1ebd d\u1eabn \u0111\u1ebfn t\u1ef7 l\u1ec7 chi\u1ec1u r\u1ed9ng - chi\u1ec1u s\u00e2u c\u1ee7a ch\u1ea5t tr\u00e1m kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi bi\u00ean \u0111\u1ed9 chuy\u1ec3n v\u1ecb th\u1ef1c t\u1ebf c\u1ee7a khe. H\u00e3y ki\u1ec3m tra l\u1ea1i c\u1ea3 \u0111\u01b0\u1eddng k\u00ednh thanh x\u1ed1p v\u00e0 \u0111\u1ed9 s\u00e2u keo ho\u00e0n thi\u1ec7n \u0111\u1ed1i chi\u1ebfu v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t keo tr\u00e1m.<\/p>\n\n\n\n

T\u00f4i c\u00f3 th\u1ec3 d\u00f9ng thanh x\u1ed1p ch\u00e8n khe v\u1edbi m\u1ecdi lo\u1ea1i keo tr\u00e1m kh\u00f4ng?<\/h3>\n\n\n\n

Thanh x\u1ed1p ch\u00e8n khe t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi c\u00e1c lo\u1ea1i ch\u1ea5t tr\u00e1m th\u00f4ng d\u1ee5ng nh\u01b0 polyurethane, silicone v\u00e0 MS polymer. Y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n c\u00e2n nh\u1eafc l\u00e0 \u0111\u1ed9 \u1ea9m: n\u00ean d\u00f9ng thanh x\u1ed1p \u00f4 k\u00edn \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i ch\u1ea5t tr\u00e1m nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c trong b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o m\u00e0 thanh x\u1ed1p c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc tr\u01b0\u1edbc ho\u1eb7c trong khi thi c\u00f4ng keo.<\/p>","protected":false},"excerpt":{"rendered":"

Thanh ch\u00e8n khe gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng b\u00e1m d\u00ednh ba m\u1eb7t v\u00e0 \u0111\u1ecbnh h\u00ecnh ch\u1ea5t tr\u00e1m ch\u00ednh x\u00e1c. T\u00ecm hi\u1ec3u c\u00e1ch l\u1ef1a ch\u1ecdn lo\u1ea1i \u00f4 k\u00edn hay \u00f4 h\u1edf v\u00e0 c\u00e1ch \u0111\u1ecbnh c\u1ee1 ph\u00f9 h\u1ee3p v\u1edbi khe.<\/p>","protected":false},"author":2,"featured_media":4079,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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":"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 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