{"id":4074,"date":"2026-11-08T09:00:00","date_gmt":"2026-11-08T01:00:00","guid":{"rendered":"https:\/\/joobond.com\/?p=4074"},"modified":"2026-10-27T23:08:16","modified_gmt":"2026-10-27T15:08:16","slug":"huong-dan-chat-tram-khe-polyurea-cho-khe-san-nha-kho","status":"publish","type":"post","link":"https:\/\/joobond.com\/vi\/huong-dan-chat-tram-khe-polyurea-cho-khe-san-nha-kho\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ecdn ch\u1ea5t tr\u00e1m khe Polyurea: Khe co ng\u00f3t so v\u1edbi Khe gi\u00e3n n\u1edf"},"content":{"rendered":"

V\u1eadt li\u1ec7u ch\u00e8n khe polyurea \u0111\u01b0\u1ee3c \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ch\u1ee7 y\u1ebfu v\u00ec m\u1ed9t l\u00fd do v\u01b0\u1ee3t tr\u1ed9i: t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn. Trong khi keo ch\u00e8n khe epoxy c\u1ea7n nhi\u1ec1u gi\u1edd tr\u01b0\u1edbc khi s\u00e0n kho c\u00f3 th\u1ec3 ch\u1ecbu t\u1ea3i tr\u1edf l\u1ea1i cho xe n\u00e2ng ch\u1ea1y, c\u00f4ng th\u1ee9c polyurea th\u01b0\u1eddng cho ph\u00e9p xe l\u01b0u th\u00f4ng ch\u1ec9 sau 30 \u0111\u1ebfn 60 ph\u00fat. \u0110\u1eb7c t\u00ednh \u0111\u01a1n l\u1ebb n\u00e0y gi\u00fap c\u00e1c nh\u00e0 m\u00e1y, kho b\u00e3i d\u1ec5 d\u00e0ng l\u00ean l\u1ecbch s\u1eeda ch\u1eefa khe s\u00e0n trong c\u00e1c \u0111\u1ee3t ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecbnh k\u1ef3 thay v\u00ec ph\u1ea3i ng\u01b0ng v\u1eadn h\u00e0nh to\u00e0n b\u1ed9 m\u1eb7t s\u00e0n trong m\u1ed9t ng\u00e0y ho\u1eb7c l\u00e2u h\u01a1n.<\/p>\n\n\n\n

Khe co ng\u00f3t v\u00e0 khe gi\u00e3n n\u1edf: V\u00ec sao v\u1eadt li\u1ec7u ch\u00e8n khe ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i khe<\/h2>\n\n\n\n

Khe co ng\u00f3t \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ed9ng c\u1eaft v\u00e0o s\u00e0n b\u00ea t\u00f4ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng nh\u1eb1m \u0111\u1ecbnh h\u01b0\u1edbng v\u1ecb tr\u00ed xu\u1ea5t hi\u1ec7n v\u1ebft n\u1ee9t do co ng\u00f3t khi b\u00ea t\u00f4ng ninh k\u1ebft \u2014 \u0111\u00e2y l\u00e0 \u0111i\u1ec3m y\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 ch\u1ee7 \u0111\u00edch ch\u1ee9 kh\u00f4ng ph\u1ea3i kho\u1ea3ng h\u1edf k\u1ebft c\u1ea5u, v\u00e0 bi\u00ean \u0111\u1ed9 chuy\u1ec3n v\u1ecb c\u1ee7a ch\u00fang t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf sau khi s\u00e0n \u0111\u00e3 \u0111\u00f3ng r\u1eafn ho\u00e0n to\u00e0n. Ng\u01b0\u1ee3c l\u1ea1i, khe gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tri\u1ec7t ti\u00eau c\u00e1c chuy\u1ec3n v\u1ecb k\u1ebft c\u1ea5u th\u1ef1c t\u1ebf: s\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n s\u00e0n, \u0111\u1ed9 l\u00fan c\u1ee7a c\u00f4ng tr\u00ecnh, ho\u1eb7c chuy\u1ec3n v\u1ecb gi\u1eefa s\u00e0n v\u00e0 t\u01b0\u1eddng\/c\u1ed9t ti\u1ebfp gi\u00e1p.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y quy\u1ebft \u0111\u1ecbnh g\u1ed1c h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u ch\u00e8n khe. Khe co ng\u00f3t v\u1edbi bi\u00ean \u0111\u1ed9 d\u1ecbch chuy\u1ec3n h\u1ea1n ch\u1ebf th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u00e8n b\u1eb1ng polyurea ho\u1eb7c epoxy b\u00e1n c\u1ee9ng gi\u00fap li\u00ean k\u1ebft c\u00e1c m\u00e9p khe v\u00e0 n\u00e2ng \u0111\u1ee1 s\u00e0n ch\u1ed1ng s\u1ee9t m\u1ebb m\u00e9p d\u01b0\u1edbi t\u1ea3i tr\u1ecdng b\u00e1nh xe \u2014 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i qu\u00e1 cao \u1edf v\u1ecb tr\u00ed n\u00e0y s\u1ebd khi\u1ebfn c\u00e1c m\u00e9p khe bi\u1ebfn d\u1ea1ng \u0111\u1ed9c l\u1eadp khi ch\u1ecbu t\u1ea3i, l\u00e0m t\u0103ng nhanh t\u1ed1c \u0111\u1ed9 h\u01b0 h\u1ea1i m\u00e9p. Ng\u01b0\u1ee3c l\u1ea1i, khe gi\u00e3n n\u1edf \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i th\u1ef1c s\u1ef1 cao, c\u00f3 kh\u1ea3 n\u0103ng n\u00e9n v\u00e0 gi\u00e3n li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng b\u1ecb x\u00e9 r\u00e1ch kh\u1ecfi hai th\u00e0nh khe, b\u1edfi vi\u1ec7c d\u00f9ng v\u1eadt li\u1ec7u c\u1ee9ng tr\u00e1m cho khe gi\u00e3n n\u1edf th\u1ef1c th\u1ee5 ch\u1eafc ch\u1eafn s\u1ebd g\u00e2y n\u1ee9t d\u1ecdc theo \u0111\u01b0\u1eddng li\u00ean k\u1ebft ch\u1ec9 sau m\u1ed9t chu k\u1ef3 th\u1eddi ti\u1ebft.<\/p>\n\n\n\n

Polyurea vs. Epoxy vs. Polyurethane: \u01afu th\u1ebf th\u1ef1c s\u1ef1 c\u1ee7a Polyurea<\/h2>\n\n\n\n

V\u1eadt li\u1ec7u ch\u00e8n khe epoxy v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n t\u1ea1i nh\u1eefng n\u01a1i \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng b\u00e1nh xe n\u00e2ng l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u, \u0111\u1ed3ng th\u1eddi ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n cho ph\u00e9p ch\u1edd \u0111\u1ee3i v\u00e0i gi\u1edd \u0111\u1ec3 keo \u0111\u00f3ng r\u1eafn tr\u01b0\u1edbc khi \u0111\u01b0a s\u00e0n v\u00e0o s\u1eed d\u1ee5ng tr\u1edf l\u1ea1i. V\u1eadt li\u1ec7u n\u00e0y c\u0169ng th\u01b0\u1eddng c\u00f3 chi ph\u00ed v\u1eadt t\u01b0 tr\u00ean m\u1ed7i m\u00e9t d\u00e0i th\u1ea5p h\u01a1n so v\u1edbi polyurea, m\u1ed9t y\u1ebfu t\u1ed1 kinh t\u1ebf quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c s\u00e0n kho di\u1ec7n t\u00edch l\u1edbn c\u00f3 h\u00e0ng ngh\u00ecn m\u00e9t khe c\u1ea7n tr\u00e1m.<\/p>\n\n\n\n

\u01afu th\u1ebf c\u1ee7a polyurea th\u1ec3 hi\u1ec7n r\u00f5 r\u1ec7t khi r\u01a1i v\u00e0o m\u1ed9t trong ba tr\u01b0\u1eddng h\u1ee3p sau: c\u01a1 s\u1edf kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng s\u00e0n k\u00e9o d\u00e0i, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 s\u00e0n qu\u00e1 th\u1ea5p khi\u1ebfn th\u1eddi gian \u0111\u00f3ng r\u1eafn c\u1ee7a epoxy k\u00e9o d\u00e0i th\u00eam, ho\u1eb7c khe s\u00e0n tr\u1ea3i qua chu k\u1ef3 bi\u1ebfn thi\u00ean nhi\u1ec7t \u0111\u1ee7 l\u1edbn khi\u1ebfn \u0111\u1ed9 gi\u00f2n t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a epoxy d\u1ec5 g\u00e2y h\u01b0 h\u1ea1i qua c\u00e1c m\u00f9a. Polyurea c\u0169ng c\u00f3 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 thi c\u00f4ng r\u1ed9ng h\u01a1n h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i epoxy, bi\u1ebfn n\u00f3 th\u00e0nh l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf h\u01a1n cho c\u00e1c c\u00f4ng t\u00e1c ch\u00e8n khe \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch trong k\u1ef3 b\u1ea3o tr\u00ec m\u00f9a l\u1ea1nh.<\/p>\n\n\n\n

Keo tr\u00e1m polyurethane thu\u1ed9c v\u1ec1 m\u1ed9t ph\u00e2n kh\u00fac ho\u00e0n to\u00e0n kh\u00e1c \u2014 \u0111\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn chu\u1ea9n x\u00e1c cho c\u00e1c khe c\u00f3 bi\u00ean \u0111\u1ed9 d\u1ecbch chuy\u1ec3n l\u1edbn li\u00ean t\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 khe gi\u00e3n n\u1edf k\u1ebft c\u1ea5u ho\u1eb7c khe s\u00e0n ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac v\u1edbi chu k\u1ef3 nhi\u1ec7t theo m\u00f9a, n\u01a1i kh\u1ea3 n\u0103ng gi\u00e3n d\u00e0i v\u00e0 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3 ph\u00e1t huy t\u1ed1t h\u01a1n c\u1ea3 epoxy l\u1eabn polyurea b\u00e1n c\u1ee9ng. Polyurethane hi\u1ebfm khi \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c khe co ng\u00f3t trong nh\u00e0 ch\u1ecbu t\u1ea3i tr\u1ecdng xe n\u00e2ng n\u1eb7ng, do thi\u1ebfu kh\u1ea3 n\u0103ng ch\u1ecbu n\u00e9n h\u1ed7 tr\u1ee3 m\u00e9p khe nh\u01b0 epoxy v\u00e0 polyurea.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a v\u1eadt li\u1ec7u ch\u00e8n khe Polyurea<\/h2>\n\n\n\n

S\u00e0n nh\u00e0 kho v\u00e0 trung t\u00e2m ph\u00e2n ph\u1ed1i l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, n\u01a1i v\u1eadt li\u1ec7u ch\u00e8n khe quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp kho\u1ea3ng th\u1eddi gian b\u00e1nh xe n\u00e2ng v\u00e0 ch\u00e2n k\u1ec7 h\u00e0ng c\u00f3 th\u1ec3 di chuy\u1ec3n qua khe tr\u01b0\u1edbc khi m\u00e9p b\u1eaft \u0111\u1ea7u s\u1ee9t m\u1ebb v\u00e0 t\u1ea1o m\u1ea3nh v\u1ee5n b\u00ea t\u00f4ng. S\u00e0n nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u00f3 l\u01b0u l\u01b0\u1ee3ng thi\u1ebft b\u1ecb n\u1eb7ng di chuy\u1ec3n c\u0169ng c\u00f3 y\u00eau c\u1ea7u t\u01b0\u01a1ng t\u1ef1, th\u01b0\u1eddng k\u00e8m theo y\u00eau c\u1ea7u v\u1ec1 kh\u00e1ng h\u00f3a ch\u1ea5t khi dung d\u1ecbch l\u00e0m m\u00e1t, d\u1ea7u m\u1ee1 ho\u1eb7c h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi khe. C\u00e1c b\u00e3i \u0111\u1ed7 xe nhi\u1ec1u t\u1ea7ng s\u1eed d\u1ee5ng polyurea cho c\u1ea3 khe co ng\u00f3t trong c\u00f9ng m\u1ed9t t\u1ea7ng l\u1eabn c\u00e1c khe gi\u00e3n n\u1edf l\u1edbn h\u01a1n gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n k\u1ebft c\u1ea5u, tuy nhi\u00ean c\u00f4ng th\u1ee9c v\u00e0 \u0111\u1ed9 linh ho\u1ea1t c\u1ea7n thi\u1ebft c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t gi\u1eefa hai lo\u1ea1i khe n\u00e0y trong c\u00f9ng m\u1ed9t c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n

Quy tr\u00ecnh thi c\u00f4ng c\u01a1 b\u1ea3n<\/h2>\n\n\n\n

C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb khe quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng b\u00e1m d\u00ednh h\u01a1n b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o kh\u00e1c. C\u1ea7n lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n v\u1eadt li\u1ec7u ch\u00e8n c\u0169, b\u1ee5i b\u1ea9n v\u00e0 b\u00ea t\u00f4ng v\u1ee5n kh\u1ecfi khe b\u1eb1ng m\u00e1y c\u1eaft ho\u1eb7c m\u00e1y m\u00e0i r\u00e3nh \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ec1 m\u1eb7t th\u1eb3ng \u0111\u1ee9ng s\u1ea1ch s\u1ebd, song song \u2014 m\u1ed9t khe c\u00f3 m\u00e9p bo tr\u00f2n ho\u1eb7c s\u1ee9t m\u1ebb s\u1ebd kh\u00f4ng th\u1ec3 t\u1ea1o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t cho v\u1eadt li\u1ec7u m\u1edbi b\u1ea5t k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u cao \u0111\u1ebfn \u0111\u00e2u. H\u00fat b\u1ee5i th\u1eadt k\u1ef9 ngay tr\u01b0\u1edbc khi r\u00f3t keo; b\u1ea5t k\u1ef3 l\u01b0\u1ee3ng b\u1ee5i n\u00e0o c\u00f2n s\u00f3t l\u1ea1i trong r\u00e3nh khe \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ch\u1ea5t t\u00e1ch l\u1edbp ng\u0103n c\u1ea3n li\u00ean k\u1ebft gi\u1eefa b\u00ea t\u00f4ng v\u00e0 ch\u1ea5t ch\u00e8n khe.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn nhanh c\u1ee7a polyurea \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c qu\u00e1 tr\u00ecnh tr\u1ed9n v\u00e0 r\u00f3t keo ph\u1ea3i di\u1ec5n ra nhanh ch\u00f3ng, ch\u00ednh x\u00e1c \u2014 h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 hai th\u00e0nh ph\u1ea7n ch\u1ec9 c\u00f3 th\u1eddi gian thao t\u00e1c t\u00ednh b\u1eb1ng v\u00e0i ph\u00fat sau khi tr\u1ed9n, ng\u1eafn h\u01a1n nhi\u1ec1u so v\u1edbi th\u1eddi gian s\u1eed d\u1ee5ng 20 \u0111\u1ebfn 30 ph\u00fat c\u1ee7a epoxy. \u0110i\u1ec1u n\u00e0y khi\u1ebfn polyurea kh\u00f3 dung th\u1ee9 cho vi\u1ec7c gi\u00e1n \u0111o\u1ea1n gi\u1eefa ch\u1eebng, v\u00ec v\u1eady \u0111\u1ed9i thi c\u00f4ng c\u1ea7n chu\u1ea9n b\u1ecb khe ho\u00e0n t\u1ea5t v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch th\u1ee9 t\u1ef1 r\u00f3t keo tr\u01b0\u1edbc khi tr\u1ed9n m\u1ebb \u0111\u1ea7u ti\u00ean, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c tuy\u1ebfn khe d\u00e0i c\u1ea7n chia \u0111o\u1ea1n thi c\u00f4ng.<\/p>\n\n\n\n

R\u00f3t keo h\u01a1i \u0111\u1ea7y tr\u00e0n m\u1eb7t m\u1ed9t ch\u00fat r\u1ed3i d\u00f9ng dao c\u1ea1o ph\u1eb3ng ngang m\u1eb7t s\u00e0n sau khi keo \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh s\u1ebd t\u1ea1o ra b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n s\u1ea1ch \u0111\u1eb9p h\u01a1n l\u00e0 c\u1ed1 g\u1eafng g\u1ea1t ph\u1eb3ng ch\u00ednh x\u00e1c ngay khi r\u00f3t, v\u00ec polyurea \u0111\u00f3ng r\u1eafn nhanh \u0111\u1ec3 l\u1ea1i r\u1ea5t \u00edt th\u1eddi gian \u0111\u1ec3 mi\u1ebft ph\u1eb3ng ho\u00e0n h\u1ea3o tr\u01b0\u1edbc khi \u0111\u00f4ng c\u1ee9ng. \u0110\u1ed1i v\u1edbi c\u00e1c khe ch\u1ecbu t\u1ea3i tr\u1ecdng xe n\u00e2ng n\u1eb7ng, c\u1ea7n ki\u1ec3m tra b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt (TDS) c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u \u0111\u1ea1t ti\u00eau chu\u1ea9n cho c\u1ea5p t\u1ea3i tr\u1ecdng \u0111\u00f3 \u2014 kh\u00f4ng ph\u1ea3i m\u1ecdi c\u00f4ng th\u1ee9c polyurea \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng b\u00e1nh xe nh\u01b0 nhau.<\/p>\n\n\n\n

\"Bi\u1ec3u<\/figure>\n\n\n\n

Polyurea vs. Epoxy vs. Polyurethane: B\u1ea3ng tra c\u1ee9u nhanh<\/h2>\n\n\n\n
T\u00e0i s\u1ea3n<\/th>Polyurea<\/th>Epoxy<\/th>Polyurethane<\/th><\/tr><\/thead>
Th\u1eddi gian \u0111\u00f3ng r\u1eafn th\u00f4ng th\u01b0\u1eddng<\/td>30-60 ph\u00fat<\/td>V\u00e0i gi\u1edd<\/td>24+ gi\u1edd<\/td><\/tr>
Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/td>Khe co ng\u00f3t c\u1ea7n ho\u00e0n thi\u1ec7n nhanh<\/td>Khe co ng\u00f3t d\u1ea1ng c\u1ee9ng, chi ph\u00ed th\u1ea5p h\u01a1n<\/td>Khe gi\u00e3n n\u1edf th\u1ef1c th\u1ee5 c\u00f3 chuy\u1ec3n v\u1ecb<\/td><\/tr>
S\u1ef1 linh ho\u1ea1t<\/td>B\u00e1n c\u1ee9ng<\/td>C\u1ee9ng<\/td>\u0110\u1ed9 \u0111\u00e0n h\u1ed3i cao<\/td><\/tr>
Thi c\u00f4ng trong th\u1eddi ti\u1ebft l\u1ea1nh<\/td>T\u1ed1t<\/td>H\u1ea1n ch\u1ebf<\/td>V\u1eeba ph\u1ea3i<\/td><\/tr>
Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng xe n\u00e2ng<\/td>T\u1ed1t<\/td>T\u1ed1t<\/td>K\u00e9m<\/td><\/tr><\/tbody><\/table>\n\n\n\n
\"H\u00ecnh<\/figure>\n\n\n\n

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

S\u1eed d\u1ee5ng polyurea c\u1ee9ng ho\u1eb7c epoxy t\u1ea1i v\u1ecb tr\u00ed khe c\u00f3 chuy\u1ec3n v\u1ecb k\u1ebft c\u1ea5u th\u1ef1c t\u1ebf l\u00e0 sai l\u1ea7m \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 n\u1eb7ng n\u1ec1 nh\u1ea5t, b\u1edfi v\u1eadt li\u1ec7u tr\u00e1m s\u1ebd n\u1ee9t v\u00e0 bong tr\u00f3c ch\u1ec9 sau m\u1ed9t chu k\u1ef3 th\u1eddi ti\u1ebft khi s\u1ef1 co gi\u00e3n th\u1ef1c c\u1ee7a khe b\u1eaft \u0111\u1ea7u t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u v\u1ed1n kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 co gi\u00e3n. B\u1ecf qua b\u01b0\u1edbc x\u1eed l\u00fd m\u00e9p khe \u0111\u00fang quy c\u00e1ch v\u00e0 r\u00f3t keo \u0111\u00e8 l\u00ean b\u1ee5i b\u1ea9n ho\u1eb7c c\u1ed1t li\u1ec7u r\u1eddi l\u00e0 nguy\u00ean nh\u00e2n h\u01b0 h\u1ecfng ph\u1ed5 bi\u1ebfn ti\u1ebfp theo, t\u1ea1o ra l\u1edbp ch\u00e8n nh\u00ecn c\u00f3 v\u1ebb \u0111\u1ea1t y\u00eau c\u1ea7u nh\u01b0ng s\u1ebd b\u1ecb t\u00e1ch m\u00e9p \u1edf m\u1ed9t ho\u1eb7c c\u1ea3 hai b\u00ean ch\u1ec9 sau v\u00e0i tu\u1ea7n xe n\u00e2ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

\u0110\u00e1nh gi\u00e1 th\u1ea5p th\u1eddi gian thao t\u00e1c ng\u1eafn c\u1ee7a polyurea v\u00e0 c\u1ed1 r\u00f3t m\u1ed9t \u0111\u01b0\u1eddng khe d\u00e0i trong c\u00f9ng m\u1ed9t m\u1ebb tr\u1ed9n th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn vi\u1ec7c keo b\u1ecb \u0111\u00f4ng c\u1ee9ng tr\u01b0\u1edbc khi r\u00f3t xong, \u0111\u1ec3 l\u1ea1i m\u1ed9t \u0111o\u1ea1n g\u1ed3 gh\u1ec1, b\u00e1m d\u00ednh k\u00e9m \u1edf cu\u1ed1i tuy\u1ebfn. Vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch chia \u0111o\u1ea1n r\u00f3t t\u1eeb tr\u01b0\u1edbc v\u00e0 ch\u1ec9 tr\u1ed9n l\u01b0\u1ee3ng keo c\u00f3 th\u1ec3 thi c\u00f4ng h\u1ebft trong th\u1eddi gian thao t\u00e1c c\u1ee7a s\u1ea3n ph\u1ea9m s\u1ebd gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n s\u1ef1 c\u1ed1 n\u00e0y.<\/p>\n\n\n\n

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

Polyurea c\u00f3 t\u1ed1t h\u01a1n epoxy khi ch\u00e8n khe s\u00e0n kh\u00f4ng?<\/h3>\n\n\n\n

Kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u n\u00e0o v\u01b0\u1ee3t tr\u1ed9i tuy\u1ec7t \u0111\u1ed1i trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. Polyurea \u0111\u00f3ng r\u1eafn nhanh h\u01a1n v\u00e0 ch\u1ecbu l\u1ea1nh t\u1ed1t h\u01a1n, th\u00edch h\u1ee3p khi c\u1ea7n r\u00fat ng\u1eafn t\u1ed1i \u0111a th\u1eddi gian gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng s\u00e0n. Epoxy nh\u00ecn chung c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady cho c\u00e1c khe co ng\u00f3t n\u1ebfu ti\u1ebfn \u0111\u1ed9 cho ph\u00e9p th\u1eddi gian \u0111\u00f3ng r\u1eafn d\u00e0i h\u01a1n.<\/p>\n\n\n\n

C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng polyurea cho khe gi\u00e3n n\u1edf kh\u00f4ng?<\/h3>\n\n\n\n

Polyurea b\u00e1n c\u1ee9ng ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c khe co ng\u00f3t c\u00f3 bi\u00ean \u0111\u1ed9 chuy\u1ec3n v\u1ecb h\u1ea1n ch\u1ebf, kh\u00f4ng d\u00e0nh cho c\u00e1c khe gi\u00e3n n\u1edf th\u1ef1c th\u1ee5 c\u00f3 chuy\u1ec3n v\u1ecb k\u1ebft c\u1ea5u l\u1edbn. \u0110\u1ed1i v\u1edbi khe gi\u00e3n n\u1edf th\u1ef1c s\u1ef1, keo tr\u00e1m polyurethane \u0111\u00e0n h\u1ed3i \u0111\u1ea1t \u0111\u1ecbnh m\u1ee9c chuy\u1ec3n v\u1ecb d\u1ef1 ki\u1ebfn c\u1ee7a khe l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u ch\u00e8n khe polyurea m\u1ea5t bao l\u00e2u \u0111\u1ec3 \u0111\u00f3ng r\u1eafn?<\/h3>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c h\u1ec7 polyurea hai th\u00e0nh ph\u1ea7n \u0111\u1ea1t tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng ch\u1ecbu t\u1ea3i giao th\u00f4ng trong v\u00f2ng 30 \u0111\u1ebfn 60 ph\u00fat, nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi th\u1eddi gian \u0111\u00f3ng r\u1eafn th\u00f4ng th\u01b0\u1eddng v\u00e0i gi\u1edd c\u1ee7a epoxy. Th\u1eddi gian \u0111\u00f3ng r\u1eafn ch\u00ednh x\u00e1c thay \u0111\u1ed5i t\u00f9y theo t\u1eebng s\u1ea3n ph\u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, do \u0111\u00f3 c\u1ea7n tham kh\u1ea3o b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t cho c\u00f4ng th\u1ee9c c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

T\u1ea1i sao l\u1edbp ch\u00e8n khe polyurea c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb bong \u1edf m\u00e9p?<\/h3>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng bong t\u00e1ch m\u00e9p th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb kh\u00e2u chu\u1ea9n b\u1ecb khe ch\u01b0a \u0111\u1ea1t \u2014 b\u1ee5i b\u1ea9n, c\u1ed1t li\u1ec7u r\u1eddi ho\u1eb7c m\u00e9p khe b\u1ecb bo tr\u00f2n ng\u0103n c\u1ea3n s\u1ef1 b\u00e1m d\u00ednh th\u00edch h\u1ee3p ngay c\u1ea3 khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c thi c\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt. H\u00e3y \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1eb7t th\u00e0nh khe \u0111\u00e3 s\u1ea1ch s\u1ebd, \u0111\u01b0\u1ee3c h\u00fat b\u1ee5i k\u1ef9 v\u00e0 vu\u00f4ng c\u1ea1nh tr\u01b0\u1edbc khi r\u00f3t keo.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u ch\u00e8n khe polyurea c\u00f3 hi\u1ec7u qu\u1ea3 trong th\u1eddi ti\u1ebft l\u1ea1nh kh\u00f4ng?<\/h3>\n\n\n\n

Polyurea nh\u00ecn chung ch\u1ecbu \u0111\u01b0\u1ee3c d\u1ea3i nhi\u1ec7t \u0111\u1ed9 thi c\u00f4ng r\u1ed9ng h\u01a1n so v\u1edbi epoxy, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf h\u01a1n cho c\u00f4ng t\u00e1c ch\u00e8n khe \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch trong c\u00e1c \u0111\u1ee3t ng\u1eebng m\u00e1y m\u00f9a l\u1ea1nh. M\u1ee9c nhi\u1ec7t \u0111\u1ed9 thi c\u00f4ng t\u1ed1i thi\u1ec3u c\u1ee5 th\u1ec3 v\u1eabn kh\u00e1c nhau t\u00f9y theo s\u1ea3n ph\u1ea9m v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi l\u00ean k\u1ebf ho\u1ea1ch thi c\u00f4ng trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh.<\/p>","protected":false},"excerpt":{"rendered":"

Ch\u1ea5t tr\u00e1m khe polyurea \u0111\u00f3ng r\u1eafn ch\u1ec9 trong v\u00e0i ph\u00fat ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00e0i gi\u1edd \u2014 nh\u01b0ng ch\u1ec9 ph\u00f9 h\u1ee3p cho khe co ng\u00f3t, kh\u00f4ng d\u00f9ng cho khe gi\u00e3n n\u1edf th\u1ef1c s\u1ef1. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>","protected":false},"author":2,"featured_media":4073,"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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