{"id":2175,"date":"2026-10-05T06:08:42","date_gmt":"2026-10-05T06:08:42","guid":{"rendered":"https:\/\/yocl.com\/?wpr2_import=86928192ff719e850d6ddc9519b37f5884736d665e6c9717c138417110b8534b"},"modified":"2026-10-05T06:08:42","modified_gmt":"2026-10-05T06:08:42","slug":"single-wall-vs-dual-wall-heat-shrink-tubing","status":"publish","type":"post","link":"https:\/\/yocl.com\/vi\/single-wall-vs-dual-wall-heat-shrink-tubing\/","title":{"rendered":"\u1ed0ng co nhi\u1ec7t m\u1ed9t l\u1edbp v\u00e0 hai l\u1edbp"},"content":{"rendered":"

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa \u1ed1ng co nhi\u1ec7t m\u1ed9t l\u1edbp v\u00e0 hai l\u1edbp l\u00e0 l\u1edbp b\u00ean trong<\/strong>. \u1ed0ng m\u1ed9t l\u1edbp cung c\u1ea5p m\u1ed9t \u1ed1ng c\u00e1ch \u0111i\u1ec7n kh\u00f4ng c\u00f3 l\u1edbp l\u00f3t. \u1ed0ng hai l\u1edbp c\u00f3 l\u00f3t keo th\u00eam m\u1ed9t l\u1edbp b\u00ean trong keo n\u00f3ng ch\u1ea3y, l\u1edbp n\u00e0y s\u1ebd b\u00e1m d\u00ednh v\u00e0o c\u00e1c b\u1ec1 m\u1eb7t t\u01b0\u01a1ng th\u00edch trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn khi k\u1ebft n\u1ed1i c\u1ea7n c\u00f3 l\u1edbp b\u1ecbt k\u00edn m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Ch\u1ecdn m\u1ed9t l\u1edbp<\/strong> \u0111\u1ec3 c\u00e1ch \u0111i\u1ec7n, nh\u1eadn d\u1ea1ng v\u00e0 bao ph\u1ee7 khi kh\u00f4ng c\u1ea7n l\u1edbp b\u1ecbt k\u00edn b\u1eb1ng keo. Ch\u1ecdn hai l\u1edbp c\u00f3 l\u00f3t keo<\/strong> khi vi\u1ec7c b\u1ecbt k\u00edn giao di\u1ec7n \u1ed1ng v\u1edbi c\u00e1p l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00f4ng vi\u1ec7c. Sau \u0111\u00f3, h\u00e3y ki\u1ec3m tra k\u00edch th\u01b0\u1edbc, v\u1eadt li\u1ec7u, \u0111i\u1ec1u ki\u1ec7n co l\u1ea1i v\u00e0 y\u00eau c\u1ea7u d\u1ecbch v\u1ee5 c\u1ee7a s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf. S\u1ed1 l\u01b0\u1ee3ng l\u1edbp \u0111\u01a1n l\u1ebb kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh.<\/p>\n

So s\u00e1nh n\u00e0y li\u00ean quan \u0111\u1ebfn \u1ed1ng \u0111\u01a1n th\u00e0nh v\u00e0 \u1ed1ng k\u00e9p c\u00f3 l\u1edbp l\u00f3t keo cho d\u00e2y \u0111i\u1ec7n. Thu\u1eadt ng\u1eef \u201ck\u00e9p th\u00e0nh\u201d \u1edf \u0111\u00e2y m\u00f4 t\u1ea3 c\u1ea5u t\u1ea1o, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi s\u1ea3n ph\u1ea9m hai l\u1edbp \u0111\u1ec1u c\u00f3 \u0111\u1eb7c t\u00ednh gi\u1ed1ng h\u1ec7t nhau.<\/p>\n

\u1ed0ng \u0111\u01a1n th\u00e0nh so v\u1edbi \u1ed1ng k\u00e9p th\u00e0nh: s\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0110i\u1ec3m so s\u00e1nh<\/th>\n\u1ed0ng co nhi\u1ec7t \u0111\u01a1n th\u00e0nh<\/th>\n\u1ed0ng co nhi\u1ec7t k\u00e9p th\u00e0nh c\u00f3 l\u1edbp l\u00f3t keo<\/th>\n<\/tr>\n<\/thead>\n
C\u1ea5u t\u1ea1o<\/td>\n\u1ed0ng c\u00e1ch \u0111i\u1ec7n kh\u00f4ng c\u00f3 l\u1edbp keo b\u00ean trong<\/td>\n\u1ed0ng ngo\u00e0i c\u00f3 l\u1edbp keo n\u00f3ng ch\u1ea3y b\u00ean trong<\/td>\n<\/tr>\n
L\u00fd do ch\u00ednh \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\nBao b\u1ecdc, c\u00e1ch \u0111i\u1ec7n ho\u1eb7c nh\u1eadn d\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n m\u1ed1i h\u00e0n k\u00edn<\/td>\nK\u1ebft n\u1ed1i v\u00e0 l\u00e0m k\u00edn t\u1ea1i c\u00e1c giao di\u1ec7n c\u00e1p ho\u1eb7c b\u1ed9 ph\u1eadn t\u01b0\u01a1ng th\u00edch<\/td>\n<\/tr>\n
C\u00e1ch n\u00f3 gi\u1eef v\u1ecb tr\u00ed<\/td>\nQu\u00e1 tr\u00ecnh co l\u1ea1i \u0111\u01b0a \u1ed1ng b\u1ecdc ti\u1ebfp x\u00fac c\u01a1 h\u1ecdc v\u1edbi b\u1ed9 ph\u1eadn b\u00ean d\u01b0\u1edbi<\/td>\nQu\u00e1 tr\u00ecnh co l\u1ea1i t\u1ea1o ti\u1ebfp x\u00fac trong khi l\u1edbp l\u00f3t \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng ch\u1ea3y v\u00e0 k\u1ebft d\u00ednh<\/td>\n<\/tr>\n
Quy\u1ebft \u0111\u1ecbnh l\u00e0m k\u00edn ch\u1ed1ng \u1ea9m<\/td>\nVi\u1ec7c l\u1eafp kh\u00edt m\u1ed9t m\u00ecnh kh\u00f4ng t\u1ea1o ra m\u1ed1i n\u1ed1i k\u00edn<\/td>\nM\u1ed9t l\u1ef1a ch\u1ecdn h\u1eefu \u00edch khi l\u1edbp l\u00f3t \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u l\u00e0m k\u00edn<\/td>\n<\/tr>\n
L\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh<\/td>\nPh\u1ea3i \u0111i qua ph\u1ea7n l\u1edbn nh\u1ea5t v\u00e0 quay l\u1ea1i b\u1ec1 m\u1eb7t nh\u1ecf h\u01a1n<\/td>\nC\u00e1c ki\u1ec3m tra \u0111\u1ed9 kh\u00edt t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng; \u0111\u1ed3ng th\u1eddi x\u00e1c minh ph\u1ea1m vi l\u00e0m k\u00edn\/ti\u1ebfp x\u00fac cho ph\u00e9p<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc ho\u00e0n thi\u1ec7n v\u00e0 \u0111\u1ed9 linh ho\u1ea1t<\/td>\nSo s\u00e1nh th\u00e0nh t\u01b0\u1eddng, v\u1eadt li\u1ec7u v\u00e0 h\u00ecnh d\u1ea1ng l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf<\/td>\nSo s\u00e1nh t\u1ed5ng th\u00e0nh t\u01b0\u1eddng, l\u1edbp l\u00f3t v\u00e0 h\u00ecnh d\u1ea1ng l\u1eafp \u0111\u1eb7t; s\u1ed1 l\u1edbp kh\u00f4ng ph\u1ea3i l\u00e0 x\u1ebfp h\u1ea1ng \u0111\u1ed9 c\u1ee9ng ph\u1ed5 qu\u00e1t<\/td>\n<\/tr>\n
Quy tr\u00ecnh nhi\u1ec7t<\/td>\nTu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u co l\u1ea1i c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00f3<\/td>\nTu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u cho c\u1ea3 vi\u1ec7c co l\u1ea1i c\u1ee7a \u1ed1ng l\u00f3t ngo\u00e0i v\u00e0 k\u00edch ho\u1ea1t ch\u1ea5t k\u1ebft d\u00ednh<\/td>\n<\/tr>\n
X\u1ebfp h\u1ea1ng \u0111i\u1ec7n v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/td>\nKi\u1ec3m tra x\u1ebfp h\u1ea1ng ch\u00ednh x\u00e1c v\u00e0 b\u1eb1ng ch\u1ee9ng \u1ee9ng d\u1ee5ng<\/td>\n\u00c1p d\u1ee5ng c\u00f9ng m\u1ed9t ki\u1ec3m tra; vi\u1ec7c th\u00eam ch\u1ea5t k\u1ebft d\u00ednh kh\u00f4ng t\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp \u0111i\u1ec7n \u00e1p, UV ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ea5t l\u1ecfng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u1ea5u t\u1ea1o ch\u1ea5t k\u1ebft d\u00ednh c\u0169ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn trong ph\u1ea1m vi ch\u00ednh th\u1ee9c c\u1ee7a IEC 60684-3-248:2007<\/a>, m\u00f4 t\u1ea3 \u1ed1ng polyolefin hai l\u1edbp v\u1edbi l\u1edbp l\u00f3t b\u00ean trong c\u00f3 ch\u1ea5t k\u1ebft d\u00ednh. Ph\u1ea1m vi \u0111\u00f3 x\u00e1c \u0111\u1ecbnh m\u1ed9t h\u1ecd s\u1ea3n ph\u1ea9m; n\u00f3 kh\u00f4ng ch\u1ee9ng nh\u1eadn m\u1ed9t m\u1eabu \u1ed1ng c\u1ee5 th\u1ec3.<\/p>\n

L\u1edbp k\u1ebft d\u00ednh thay \u0111\u1ed5i \u0111i\u1ec1u g\u00ec<\/h2>\n

\u1ed0ng m\u1ed9t l\u1edbp c\u00f3 th\u1ec3 \u00f4m s\u00e1t d\u00e2y, \u0111\u1ea7u n\u1ed1i ho\u1eb7c m\u1ed1i n\u1ed1i m\u00e0 kh\u00f4ng d\u00ednh v\u00e0o ch\u00fang. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch khi ch\u1ee9c n\u0103ng y\u00eau c\u1ea7u l\u00e0 che ph\u1ee7 b\u1ed9 ph\u1eadn thay v\u00ec b\u1ecbt k\u00edn \u0111\u01b0\u1eddng \u1ea9m t\u1ea1i c\u00e1c \u0111\u1ea7u \u1ed1ng. V\u00ed d\u1ee5, vi\u1ec7c nh\u1eadn d\u1ea1ng m\u00e0u s\u1eafc b\u00ean trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u00f4ng nh\u1ea5t thi\u1ebft y\u00eau c\u1ea7u l\u1edbp l\u00f3t c\u00f3 ch\u1ea5t k\u1ebft d\u00ednh.<\/p>\n

Trong \u1ed1ng c\u00f3 l\u1edbp l\u00f3t k\u1ebft d\u00ednh, vi\u1ec7c gia nhi\u1ec7t th\u1ef1c hi\u1ec7n hai nhi\u1ec7m v\u1ee5: l\u1edbp v\u1ecf ngo\u00e0i co l\u1ea1i theo h\u00ecnh d\u1ea1ng b\u00ean d\u01b0\u1edbi, v\u00e0 v\u1eadt li\u1ec7u b\u00ean trong m\u1ec1m ra v\u00e0 ch\u1ea3y t\u1ea1i c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. V\u1edbi v\u1eadt li\u1ec7u t\u01b0\u01a1ng th\u00edch v\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, l\u1edbp l\u00f3t \u0111\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed1i li\u00ean k\u1ebft c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ecbt k\u00edn. \u0110i\u1ec1u n\u00e0y l\u00e0m cho giao di\u1ec7n<\/strong>, thay v\u00ec ch\u1ec9 v\u1ebb ngo\u00e0i, s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed1i n\u1ed1i gi\u1eefa hai c\u00e1p, h\u00e3y xem x\u00e9t v\u1ecb tr\u00ed \u1ed1ng b\u1ecdc ti\u1ebfp x\u00fac v\u1edbi v\u1ecf c\u00e1p c\u1ee7a m\u1ed7i lo\u1ea1i. \u0110\u1ed1i v\u1edbi s\u1ef1 chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1p v\u00e0 b\u1ed9 ph\u1eadn l\u1edbn h\u01a1n, h\u00e3y xem x\u00e9t c\u1ea3 hai b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. L\u1edbp l\u00f3t c\u1ea7n c\u00f3 b\u1ec1 m\u1eb7t ph\u00f9 h\u1ee3p v\u00e0 \u0111\u1ee7 ti\u1ebfp x\u00fac; \u1ed1ng b\u1ecdc tr\u00f4ng c\u00f3 v\u1ebb kh\u00edt \u1edf \u0111i\u1ec3m r\u1ed9ng nh\u1ea5t v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i s\u1ef1 chuy\u1ec3n ti\u1ebfp kh\u00f4ng ph\u00f9 h\u1ee3p \u1edf nh\u1eefng ch\u1ed7 kh\u00e1c.<\/p>\n

M\u1ed9t v\u00ed d\u1ee5 \u0111\u1ed9c l\u1eadp xu\u1ea5t hi\u1ec7n trong U.S. H\u1ea3i qu\u00e2n MIL-STD-2003-1B, Ph\u1ee5 l\u1ee5c 1A, H\u00ecnh 1A7<\/a>. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e1p \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u1ee7a n\u00f3 ph\u00e2n bi\u1ec7t \u1ed1ng b\u1ecdc ch\u1ed1ng \u1ea9m c\u00f3 keo d\u00e1n v\u1edbi \u1ed1ng b\u1ecdc nh\u1eadn d\u1ea1ng kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t v\u00e0 d\u00f2ng ch\u1ea3y c\u1ee7a keo d\u00e1n. \u0110\u00e2y l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean t\u00e0u, kh\u00f4ng ph\u1ea3i h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t cho m\u1ecdi m\u1eabu YOCL, nh\u01b0ng ch\u00fang cho th\u1ea5y t\u1ea1i sao quy tr\u00ecnh k\u1ebft d\u00ednh l\u1ea1i quan tr\u1ecdng.<\/p>\n

\n\"Cutaway
Th\u00e0nh \u0111\u01a1n kh\u00f4ng c\u00f3 l\u1edbp l\u00f3t keo d\u00e1n; th\u00e0nh k\u00e9p c\u00f3 l\u1edbp l\u00f3t keo d\u00e1n b\u1ed5 sung m\u1ed9t l\u1edbp k\u1ebft d\u00ednh t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. C\u1ea5u t\u1ea1o s\u01a1 \u0111\u1ed3, kh\u00f4ng ph\u1ea3i l\u00e0 th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t ni\u00eam phong \u0111\u00e3 l\u1eafp \u0111\u1eb7t.<\/figcaption><\/figure>\n

\u1ed0ng b\u1ecdc hai l\u1edbp c\u00f3 l\u00e0m cho k\u1ebft n\u1ed1i ch\u1ed1ng n\u01b0\u1edbc kh\u00f4ng?<\/h3>\n

\u1ed0ng l\u00f3t c\u00f3 keo d\u00e1n c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 ph\u1eadn l\u00e0m k\u00edn ch\u1ed1ng \u1ea9m. K\u1ebft qu\u1ea3 v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ecdn, b\u1ec1 m\u1eb7t t\u01b0\u01a1ng th\u00edch, h\u00ecnh d\u1ea1ng, c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac. M\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt h\u1eefu \u00edch s\u1ebd n\u00eau r\u00f5 li\u1ec7u m\u1ed1i n\u1ed1i c\u00f3 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 ng\u01b0ng t\u1ee5, b\u1eafn t\u00f3e, r\u1eeda tr\u00f4i hay ng\u00e2m n\u01b0\u1edbc hay kh\u00f4ng, thay v\u00ec ch\u1ec9 y\u00eau c\u1ea7u \u201c\u1ed1ng co nhi\u1ec7t ch\u1ed1ng n\u01b0\u1edbc\u201d.<\/p>\n

\u0110\u1ed1i v\u1edbi y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng x\u00e2m nh\u1eadp, h\u00e3y thu th\u1eadp b\u1eb1ng ch\u1ee9ng cho b\u1ed9 ph\u1eadn ho\u00e0n ch\u1ec9nh c\u00f3 li\u00ean quan. IEC 60529<\/a> ph\u00e2n lo\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a v\u1ecf bao; m\u00f4 t\u1ea3 hai l\u1edbp th\u00e0nh ph\u1ea7n t\u1ef1 n\u00f3 kh\u00f4ng g\u00e1n x\u1ebfp h\u1ea1ng IP cho m\u1ed1i n\u1ed1i ho\u1eb7c thi\u1ebft b\u1ecb xung quanh n\u00f3.<\/p>\n

Lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n?<\/h2>\n

B\u1eaft \u0111\u1ea7u v\u1edbi ch\u1ee9c n\u0103ng m\u00e0 \u1ed1ng l\u00f3t ph\u1ea3i th\u1ef1c hi\u1ec7n. \u201cTrong nh\u00e0\u201d v\u00e0 \u201cngo\u00e0i tr\u1eddi\u201d l\u00e0 ng\u1eef c\u1ea3nh h\u1eefu \u00edch, nh\u01b0ng \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf t\u1ea1i m\u1ed1i n\u1ed1i l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh t\u1ed1t h\u01a1n.<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u0110i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng<\/th>\nL\u1ef1a ch\u1ecdn ban \u0111\u1ea7u<\/th>\n\u0110i\u1ec1u g\u00ec quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng<\/th>\n<\/tr>\n<\/thead>\n
Nh\u1eadn d\u1ea1ng d\u00e2y ho\u1eb7c che ph\u1ee7 trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n kh\u00f4, \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7<\/td>\nTh\u00e0nh \u0111\u01a1n<\/td>\nK\u00edch th\u01b0\u1edbc, nhi\u1ec7m v\u1ee5 \u0111i\u1ec7n v\u00e0 c\u1ea5p v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i ho\u1eb7c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u1ea7n c\u00e1ch \u0111i\u1ec7n, kh\u00f4ng y\u00eau c\u1ea7u ni\u00eam phong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft<\/td>\nTh\u00e0nh \u0111\u01a1n<\/td>\n\u0110\u1ed9 bao ph\u1ee7 y\u00eau c\u1ea7u, c\u1ea5u tr\u00fac th\u00e0nh v\u00e0 y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n c\u1ee7a thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n
Kh\u1edbp n\u1ed1i c\u1ea7n ni\u00eam phong \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1ed1ng l\u1ea1i s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh<\/td>\nTh\u00e0nh k\u00e9p l\u00f3t keo<\/td>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a l\u1edbp l\u00f3t v\u1edbi v\u1ecf b\u1ecdc, h\u00ecnh d\u1ea1ng ti\u1ebfp x\u00fac v\u00e0 b\u1eb1ng ch\u1ee9ng cho s\u1ef1 ph\u01a1i nhi\u1ec5m c\u1ea7n thi\u1ebft<\/td>\n<\/tr>\n
T\u1ee7 ngo\u00e0i tr\u1eddi b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n, nh\u01b0ng h\u01a1i ng\u01b0ng t\u1ee5 c\u00f3 th\u1ec3 \u0111\u1ebfn m\u1ed1i n\u1ed1i<\/td>\n\u0110\u00e1nh gi\u00e1 xem c\u00f3 c\u1ea7n ni\u00eam phong c\u1ee5c b\u1ed9 hay kh\u00f4ng; lo\u1ea1i hai l\u1edbp l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn n\u1ebfu c\u00f3<\/td>\n\u0110\u01b0\u1eddng \u0111i th\u1ef1c t\u1ebf c\u1ee7a h\u01a1i ng\u01b0ng t\u1ee5 v\u00e0 thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb, thay v\u00ec ch\u1ec9 v\u1ecb tr\u00ed ngo\u00e0i tr\u1eddi<\/td>\n<\/tr>\n
K\u1ebft n\u1ed1i xe ho\u1eb7c m\u00e1y ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t l\u1ecfng<\/td>\nH\u1ec7 th\u1ed1ng \u1ed1ng\/ni\u00eam phong \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/td>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean, nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u1ec1 m\u1eb7t k\u1ebft n\u1ed1i; c\u1ea3 hai c\u1ea5u tr\u00fac \u0111\u1ec1u c\u1ea7n d\u1eef li\u1ec7u h\u1ed7 tr\u1ee3<\/td>\n<\/tr>\n
C\u00e1p u\u1ed1n cong l\u1eb7p \u0111i l\u1eb7p l\u1ea1i ho\u1eb7c ch\u1ecbu \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc t\u1ea1i \u0111i\u1ec3m \u0111\u01b0\u1ee3c che ph\u1ee7<\/td>\nXem x\u00e9t thi\u1ebft k\u1ebf \u0111\u1ee1 v\u00e0 k\u1ebft n\u1ed1i c\u00e1p tr\u01b0\u1edbc<\/td>\n\u1ed0ng b\u1ecdc tr\u00f4ng linh ho\u1ea1t kh\u00f4ng ch\u1ee9ng minh s\u1ef1 ph\u00f9 h\u1ee3p cho vi\u1ec7c u\u1ed1n l\u1eb7p l\u1ea1i ho\u1eb7c thay th\u1ebf cho s\u1ef1 h\u1ea1n ch\u1ebf c\u01a1 h\u1ecdc c\u1ea7n thi\u1ebft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0110\u00e2y l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ban \u0111\u1ea7u, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb. \u0110\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t l\u1ecfng kh\u1eafc nghi\u1ec7t, ng\u00e2m ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng, c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn kh\u00e1c thay v\u00ec m\u1ed9t trong hai lo\u1ea1i \u1ed1ng \u0111a d\u1ee5ng.<\/p>\n

So s\u00e1nh th\u1ef1c t\u1ebf YOCL: c\u00f9ng 3:1 t\u1ef7 l\u1ec7, c\u1ea5u t\u1ea1o kh\u00e1c nhau<\/h2>\n

T\u1ef7 l\u1ec7 co ng\u00f3t kh\u00f4ng x\u00e1c \u0111\u1ecbnh l\u1edbp l\u00f3t.<\/strong> Hai s\u1ea3n ph\u1ea9m \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 3:1 nh\u01b0ng cung c\u1ea5p c\u00e1c giao di\u1ec7n v\u00e0 c\u1ea5u t\u1ea1o th\u00e0nh kh\u00e1c nhau.<\/p>\n

Danh m\u1ee5c YOCL hi\u1ec7n t\u1ea1i cung c\u1ea5p m\u1ed9t v\u00ed d\u1ee5 c\u1ee5 th\u1ec3: 3:1 \u1ed0ng m\u1ed9t l\u1edbp Zero-Halogen<\/a> v\u00e0 HS3X 3:1 \u1ed1ng hai l\u1edbp l\u00f3t keo<\/a>.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Tr\u01b0\u1eddng danh m\u1ee5c \u0111\u00e3 xu\u1ea5t b\u1ea3n<\/th>\n3:1 m\u1ed9t l\u1edbp kh\u00f4ng halogen<\/th>\nHS3X 3:1 hai l\u1edbp<\/th>\n<\/tr>\n<\/thead>\n
K\u00edch th\u01b0\u1edbc m\u1ee5c nh\u1eadp \u0111\u01b0\u1ee3c so s\u00e1nh<\/td>\n12.0\/4.0 mm<\/td>\n1\/2 inch \/ 12.7 mm<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng k\u00ednh trong t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c cung c\u1ea5p<\/td>\n12.0 mm<\/td>\n12.7 mm<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng k\u00ednh b\u00ean trong t\u1ed1i \u0111a sau khi co l\u1ea1i<\/td>\n4.0 mm<\/td>\n4.2 mm<\/td>\n<\/tr>\n
Ch\u1ea5t k\u1ebft d\u00ednh b\u00ean trong<\/td>\nKh\u00f4ng c\u00f3<\/td>\nKeo n\u00f3ng ch\u1ea3y<\/td>\n<\/tr>\n
Tr\u01b0\u1eddng th\u00e0nh t\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1<\/td>\n\u201cT\u01b0\u1eddng sau khi co l\u1ea1i\u201d: 0.70 \u00b1 0.15 mm<\/td>\n\u201cT\u1ed5ng \u0111\u1ed9 d\u00e0y th\u00e0nh\u201d: 1.65 \u00b1 0.30 mm<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u00e0y ch\u1ea5t k\u1ebft d\u00ednh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ri\u00eang<\/td>\nKh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n0.50 \u00b1 0.20 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0110\u00e2y l\u00e0 c\u00e1c tuy\u00ean b\u1ed1 danh m\u1ee5c YOCL, kh\u00f4ng ph\u1ea3i k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t b\u00e0i ki\u1ec3m tra so s\u00e1nh \u0111\u1ed9c l\u1eadp. C\u00e1c tr\u01b0\u1eddng \u0111\u1ed9 d\u00e0y gi\u1eef nguy\u00ean t\u00ean g\u1ed1c: trang th\u00e0nh \u0111\u01a1n r\u00f5 r\u00e0ng ghi \u201csau khi ph\u1ee5c h\u1ed3i\u201d, trong khi ti\u00eau \u0111\u1ec1 th\u00e0nh t\u1ed5ng HS3X kh\u00f4ng ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n \u0111o l\u01b0\u1eddng c\u1ee7a n\u00f3. X\u00e1c nh\u1eadn c\u01a1 s\u1edf \u0111o l\u01b0\u1eddng tr\u01b0\u1edbc khi so s\u00e1nh \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ed9 d\u00e0y v\u00e0 kh\u00f4ng c\u1ed9ng \u0111\u1ed9 d\u00e0y ch\u1ea5t k\u1ebft d\u00ednh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ri\u00eang v\u00e0o gi\u00e1 tr\u1ecb c\u00f3 nh\u00e3n \u201ct\u1ed5ng\u201d.<\/p>\n

Quy\u1ebft \u0111\u1ecbnh h\u1eefu \u00edch \u0111\u00e3 hi\u1ec3n th\u1ecb: t\u1ef7 l\u1ec7 v\u00e0 k\u00edch th\u01b0\u1edbc g\u1ea7n \u0111\u00fang kh\u00f4ng cho b\u1ea1n bi\u1ebft s\u1ea3n ph\u1ea9m c\u00f3 l\u1edbp ch\u1ea5t k\u1ebft d\u00ednh hay kh\u00f4ng. Ch\u1ecdn c\u1ea5u tr\u00fac c\u1ea7n thi\u1ebft, sau \u0111\u00f3 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf c\u1ee7a m\u1eabu v\u00e0 kh\u00f4ng gian c\u00f3 s\u1eb5n xung quanh m\u1ed1i n\u1ed1i \u0111\u00e3 ho\u00e0n thi\u1ec7n.<\/p>\n

M\u00e0n h\u00ecnh \u0111\u01b0\u1eddng k\u00ednh v\u1edbi c\u00e1c \u0111\u1ea7u v\u00e0o r\u00f5 r\u00e0ng<\/h3>\n

Gi\u1ea3 s\u1eed m\u1ed9t k\u1ebft n\u1ed1i tr\u00f2n c\u00f3 10 mm \u0111\u1eb7c \u0111i\u1ec3m l\u1edbn nh\u1ea5t<\/strong> m\u00e0 \u1ed1ng ph\u1ea3i \u0111i qua, v\u00e0 m\u1ed9t 5 mm v\u1ecf c\u00e1p<\/strong> n\u01a1i n\u00f3 ph\u1ea3i co l\u1ea1i. \u0110\u00e2y l\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc minh h\u1ecda, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n

Hai ki\u1ec3m tra c\u01a1 b\u1ea3n l\u00e0:<\/p>\n

    \n
  1. \u0110\u01b0\u1eddng k\u00ednh b\u00ean trong \u0111\u01b0\u1ee3c cung c\u1ea5p ph\u1ea3i \u0111\u1ee7 l\u1edbn cho b\u1ed9 ph\u1eadn l\u1edbn nh\u1ea5t.<\/li>\n
  2. \u0110\u01b0\u1eddng k\u00ednh b\u00ean trong sau khi co l\u1ea1i ho\u00e0n to\u00e0n ph\u1ea3i nh\u1ecf h\u01a1n b\u1ec1 m\u1eb7t m\u00e0 n\u00f3 c\u1ea7n b\u00e1m v\u00e0o.<\/li>\n<\/ol>\n

    NASA KSC-E-165 B\u1ea3n s\u1eeda \u0111\u1ed5i F, ph\u1ea7n 3.8.1.1.1<\/a> s\u1eed d\u1ee5ng m\u1ed1i quan h\u1ec7 k\u00edch th\u01b0\u1edbc n\u00e0y trong c\u00e1c y\u00eau c\u1ea7u ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 m\u1eb7t \u0111\u1ea5t c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n\n\n\n\n
    Ki\u1ec3m tra s\u01a1 b\u1ed9<\/th>\nL\u1ed1i v\u00e0o m\u1ed9t th\u00e0nh<\/th>\nL\u1ed1i v\u00e0o HS3X<\/th>\n<\/tr>\n<\/thead>\n
    Supplied diameter clears 10 mm<\/td>\n12.0 > 10 mm<\/td>\n12.7 > 10 mm<\/td>\n<\/tr>\n
    Maximum recovered diameter is below 5 mm<\/td>\n4.0 < 5 mm<\/td>\n4.2 < 5 mm<\/td>\n<\/tr>\n
    Basic diameter screen<\/td>\nPasses<\/td>\nPasses<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n\"Illustrative
    The supplied bore must clear the largest feature, and the freely recovered bore must be smaller than the grip surface. This illustrative diameter screen does not approve sealing or installed outside diameter.<\/figcaption><\/figure>\n

    Both entries pass this screen. If the task is protected insulation without a bonded seal, the single-wall construction can remain a candidate. If a bonded moisture seal is required, assess HS3X’s liner and application conditions.<\/p>\n

    The diameter screen does not establish sealing, electrical suitability or finished outside diameter. On a 5 mm cable, the underlying jacket prevents either sleeve from reaching its freely recovered state. Obtain the permitted application range and installed wall\/build information before approving fit in a confined space.<\/p>\n

    Recovery temperature and operating temperature answer different questions<\/h2>\n

    Temperature data should be compared by field<\/strong>, not by whichever number looks highest.<\/p>\n\n\n\n\n\n\n\n
    Temperature field<\/th>\nC\u00e2u h\u1ecfi n\u00f3 tr\u1ea3 l\u1eddi<\/th>\n<\/tr>\n<\/thead>\n
    Nhi\u1ec7t \u0111\u1ed9 co ban \u0111\u1ea7u<\/td>\nAt what stated temperature does recovery begin?<\/td>\n<\/tr>\n
    Full shrink or recovery temperature<\/td>\nWhat thermal condition is specified for full recovery?<\/td>\n<\/tr>\n
    Continuous operating temperature<\/td>\nWhat service-temperature range is declared for the installed product?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    For HS3X, YOCL lists an initial shrink temperature of \u226570\u00b0C<\/strong>, m\u1ed9t full shrink temperature of \u2265125\u00b0C<\/strong>, v\u00e0 m\u1ed9t operating range of \u221245\u00b0C to +125\u00b0C<\/strong>. These are separate fields for that model, not general values for all dual-wall tubing. Source: HS3X technical specifications<\/a>.<\/p>\n

    Heating only until the sleeve starts moving is not evidence that recovery and bonding are complete. Conversely, a recovery-temperature figure is not a heat-gun setting or a permission to expose every nearby component to that temperature. Use the chosen model’s installation process and account for the cable jacket and connection beneath it.<\/p>\n

    The same discipline applies to single wall. Its recovery and service fields must come from its own documentation; values from an adhesive-lined model cannot fill gaps in another datasheet. NASA’s section 3.8.1.1.1 likewise makes heat exposure dependent on tubing size and type and calls for avoiding damage to the covered object.<\/p>\n

    Compare electrical and environmental evidence on an equal basis<\/h2>\n

    Both constructions need documentation for the actual electrical duty. A liner does not, by itself, establish a higher voltage rating; an unlined sleeve is not automatically inadequate insulation. Compare the declared grade, thickness, service conditions and applicable certification record.<\/p>\n

    UL 224, eighth edition, public scope<\/a> covers extruded insulating tubing, including heat-shrinkable tubing. Its scope also addresses the need for additional features in some service conditions, including liquid exposure. This is why the chosen tubing’s actual record matters more than a generic \u201cUL\u201d statement.<\/p>\n

    UL’s insulating-tubing certification guidance<\/a> explains that voltage, temperature and optional ratings are recorded as conditions of acceptability. Check the exact model and conditions when sunlight, oil, flame behaviour or another property matters. Neither wall count nor a general certification statement supplies all of those answers.<\/p>\n

    C\u0169ng ph\u00e2n bi\u1ec7t Recognized Component<\/strong> status from certification of finished equipment. UL’s Component Recognition explanation<\/a> makes that boundary explicit: a component is evaluated for use under specified conditions within a larger product. Its recognition does not automatically certify the completed splice or machine.<\/p>\n

    For purchasing, compare quotations against the same duty: required sealing function, diameters, grade, finished space, process and documentation. A lower unit price is useful only when the product still completes the specified job; adding an adhesive liner is useful when its bonding function is actually required.<\/p>\n

    To compare YOCL options, use the heat-shrink tubing catalogue<\/a> and provide the largest installation diameter, final cable diameter, jacket material, exposure and temperature requirements. That gives a defined basis for checking the model and requesting its applicable dimensions, instructions and evidence.<\/p>\n

    T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n
      \n
    1. IEC \u2014 IEC 60684-3-248:2007: General-purpose heat-shrinkable dual-wall polyolefin sleeving<\/a>. Official scope summary; adhesive inner walls and construction family.<\/li>\n
    2. U.S. Department of Defense \/ Department of the Navy \u2014 MIL-STD-2003-1B(SH), 2020<\/a>. Appendix 1A, Figure 1A7; shipboard cable methods illustrating adhesive sealing and identification tubing.<\/li>\n
    3. IEC \u2014 IEC 60529:1989+AMD1:1999+AMD2:2013, consolidated edition<\/a>. Official scope summary; enclosure ingress-protection classification.<\/li>\n
    4. Th\u00f4ng tin s\u1ea3n ph\u1ea9m YOCL \u2014 3:1 \u1ed0ng co nhi\u1ec7t th\u00e0nh \u0111\u01a1n kh\u00f4ng halogen<\/a>. Dimension table and declared construction.<\/li>\n
    5. Th\u00f4ng tin s\u1ea3n ph\u1ea9m YOCL \u2014 HS3X 3:1 \u1ed0ng co nhi\u1ec7t hai l\u1edbp c\u00f3 keo d\u00e1n<\/a>. Dimension table, material layers and temperature fields.<\/li>\n
    6. Trung t\u00e2m V\u0169 tr\u1ee5 Kennedy c\u1ee7a NASA \u2014 KSC-E-165 B\u1ea3n s\u1eeda \u0111\u1ed5i F, 2021<\/a>. Section 3.8.1.1.1; diameter selection and heat-exposure considerations.<\/li>\n
    7. Ti\u00eau chu\u1ea9n & T\u01b0\u01a1ng t\u00e1c \u2014 UL UL 224, eighth edition, 2026<\/a>. Public scope for extruded insulating tubing and actual service conditions.<\/li>\n
    8. Gi\u1ea3i ph\u00e1p UL \u2014 Ki\u1ec3m tra v\u00e0 Ch\u1ee9ng nh\u1eadn \u1ed0ng c\u00e1ch \u0111i\u1ec7n<\/a>. Tubing evaluation and conditions of acceptability.<\/li>\n
    9. Gi\u1ea3i ph\u00e1p UL \u2014 The UL Component Recognition Classification<\/a>. Component recognition and end-product certification boundary.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

      The main difference between single wall and dual wall heat shrink tubing is the inner layer. Single-wall tubing provides an unlined insulating sleeve. Adhesive-lined dual-wall tubing adds a hot-melt inner layer that bonds to compatible surfaces during installation, making it a candidate when the connection needs an environmental seal. Choose single wall for insulation, identification […]<\/p>\n","protected":false},"author":2,"featured_media":2174,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[165],"tags":[],"class_list":["post-2175","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heat-shrink-insulation"],"_links":{"self":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/2175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/comments?post=2175"}],"version-history":[{"count":1,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/2175\/revisions"}],"predecessor-version":[{"id":2176,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/2175\/revisions\/2176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media\/2174"}],"wp:attachment":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media?parent=2175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/categories?post=2175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/tags?post=2175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}