{"id":2454,"date":"2026-10-06T12:34:25","date_gmt":"2026-10-06T12:34:25","guid":{"rendered":"https:\/\/yocl.com\/?wpr2_import=cf559107b82a3d9cf45835dd6dfd355c3fc2ed3843accced2ba6439eaf2784e5"},"modified":"2026-10-06T12:34:25","modified_gmt":"2026-10-06T12:34:25","slug":"heat-shrink-tubing-size-chart","status":"publish","type":"post","link":"https:\/\/yocl.com\/vi\/heat-shrink-tubing-size-chart\/","title":{"rendered":"B\u1ea3ng k\u00edch th\u01b0\u1edbc \u1ed1ng co nhi\u1ec7t: \u0110\u01b0\u1eddng k\u00ednh khi ch\u01b0a co v\u00e0 khi \u0111\u00e3 co"},"content":{"rendered":"<p><strong>\u0110\u1ecdc bi\u1ec3u \u0111\u1ed3 k\u00edch th\u01b0\u1edbc \u1ed1ng co nhi\u1ec7t b\u1eb1ng hai \u0111\u01b0\u1eddng k\u00ednh trong: \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u00e3 gi\u00e3n n\u1edf tr\u01b0\u1edbc khi gia nhi\u1ec7t v\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u00e3 ph\u1ee5c h\u1ed3i t\u1ef1 do sau khi co l\u1ea1i.<\/strong> \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 cung c\u1ea5p ph\u1ea3i \u0111\u1ee7 l\u1edbn \u0111\u1ec3 bao ph\u1ee7 b\u1ed9 ph\u1eadn l\u1edbn nh\u1ea5t; \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u00e3 ph\u1ee5c h\u1ed3i ph\u1ea3i nh\u1ecf h\u01a1n b\u1ec1 m\u1eb7t m\u00e0 n\u00f3 c\u1ea7n b\u00e1m v\u00e0o. S\u1eed d\u1ee5ng gi\u1edbi h\u1ea1n h\u00e0ng th\u1ef1c t\u1ebf, thay v\u00ec chia k\u00edch th\u01b0\u1edbc danh ngh\u0129a cho t\u1ef7 l\u1ec7 co.<\/p>\n<p>C\u00e1c bi\u1ec3u \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y t\u00e1i t\u1ea1o <strong>c\u00e1c m\u1ee5c k\u00edch th\u01b0\u1edbc 61 tr\u00ean ba d\u00f2ng YOCL<\/strong>. T\u1ea5t c\u1ea3 c\u00e1c k\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng <strong>milim\u00e9t<\/strong>. \u0110\u00e2y l\u00e0 c\u00e1c khai b\u00e1o s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 cho t\u1eebng d\u00f2ng, kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec3u \u0111\u1ed3 chung cho m\u1ecdi v\u1eadt li\u1ec7u co nhi\u1ec7t.<\/p>\n<h2>Bi\u1ec3u \u0111\u1ed3 k\u00edch th\u01b0\u1edbc \u1ed1ng co nhi\u1ec7t YOCL<\/h2>\n<h3>Kho\u1ea3ng 2:1 \u1ed1ng m\u1ed9t l\u1edbp \u2014 HTS<\/h3>\n<p>T\u1ef7 l\u1ec7 <a href=\"https:\/\/yocl.com\/vi\/product\/hts-2-1-single-wall-heat-shrink-tubing\/\">B\u1ea3ng k\u00edch th\u01b0\u1edbc YOCL HTS<\/a> cung c\u1ea5p c\u00e1c k\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh theo c\u1eb7p v\u00e0 c\u00e1c tr\u01b0\u1eddng tr\u01b0\u1edbc\/sau co v\u1edbi <strong>dung sai \u00b1<\/strong>. Gi\u1eef nguy\u00ean dung sai \u0111\u00f3 khi \u0111\u1ecdc k\u00edch th\u01b0\u1edbc nh\u01b0 12.0\/6.0; c\u1eb7p n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u1ea3 hai \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ec1u ch\u00ednh x\u00e1c.<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1eb7p k\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh (mm)<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh trong tr\u01b0\u1edbc khi co (mm)<\/th>\n<th>K\u00edch th\u01b0\u1edbc sau co nhi\u1ec7t \u2020 (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.0\/0.5<\/td>\n<td>1.0 \u00b1 0.3<\/td>\n<td>0.5 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>1.5\/0.75<\/td>\n<td>1.5 \u00b1 0.3<\/td>\n<td>0.75 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>2.0\/1.0<\/td>\n<td>2.0 \u00b1 0.3<\/td>\n<td>1.0 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>2.5\/1.25<\/td>\n<td>2.5 \u00b1 0.3<\/td>\n<td>1.25 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>3.0\/1.5<\/td>\n<td>3.0 \u00b1 0.3<\/td>\n<td>1.5 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>3.5\/1.75<\/td>\n<td>3.5 \u00b1 0.3<\/td>\n<td>1.75 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>4.0\/2.0<\/td>\n<td>4.0 \u00b1 0.3<\/td>\n<td>2.0 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td>5.0\/2.5<\/td>\n<td>5.0 \u00b1 0.3<\/td>\n<td>2.5 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>6.0\/3.0<\/td>\n<td>6.0 \u00b1 0.4<\/td>\n<td>3.0 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>7.0\/3.5<\/td>\n<td>7.0 \u00b1 0.4<\/td>\n<td>3.5 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>8.0\/4.0<\/td>\n<td>8.0 \u00b1 0.4<\/td>\n<td>4.0 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>9.0\/4.5<\/td>\n<td>9.0 \u00b1 0.4<\/td>\n<td>4.5 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>10.0\/5.0<\/td>\n<td>10.0 \u00b1 0.4<\/td>\n<td>5.0 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>11.0\/5.5<\/td>\n<td>11.0 \u00b1 0.4<\/td>\n<td>5.5 \u00b1 0.2<\/td>\n<\/tr>\n<tr>\n<td>12.0\/6.0<\/td>\n<td>12.0 \u00b1 0.4<\/td>\n<td>6.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>13.0\/6.5<\/td>\n<td>13.0 \u00b1 0.4<\/td>\n<td>6.5 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>14.0\/7.0<\/td>\n<td>14.0 \u00b1 0.4<\/td>\n<td>7.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>15.0\/7.5<\/td>\n<td>15.0 \u00b1 0.4<\/td>\n<td>7.5 \u00b1 0.4<\/td>\n<\/tr>\n<tr>\n<td>16.0\/8.0<\/td>\n<td>16.0 \u00b1 0.5<\/td>\n<td>8.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>17.0\/8.5<\/td>\n<td>17.0 \u00b1 0.5<\/td>\n<td>8.5 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>18.0\/9.0<\/td>\n<td>18.0 \u00b1 0.5<\/td>\n<td>9.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>20.0\/10.0<\/td>\n<td>20.0 \u00b1 0.5<\/td>\n<td>10.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>22.0\/11.0<\/td>\n<td>22.0 \u00b1 0.5<\/td>\n<td>11.0 \u00b1 0.3<\/td>\n<\/tr>\n<tr>\n<td>25.0\/12.5<\/td>\n<td>25.0 \u00b1 0.8<\/td>\n<td>12.5 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>28.0\/14.0<\/td>\n<td>28.0 \u00b1 0.8<\/td>\n<td>14.0 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>30.0\/15.0<\/td>\n<td>30.0 \u00b1 0.8<\/td>\n<td>15.0 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>35.0\/17.5<\/td>\n<td>35.0 \u00b1 0.8<\/td>\n<td>17.5 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>40.0\/20.0<\/td>\n<td>40.0 \u00b1 1.5<\/td>\n<td>20.0 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>45.0\/22.5<\/td>\n<td>45.0 \u00b1 1.5<\/td>\n<td>22.5 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>50.0\/25.0<\/td>\n<td>50.0 \u00b1 1.5<\/td>\n<td>25.0 \u00b1 1.0<\/td>\n<\/tr>\n<tr>\n<td>60.0\/30.0<\/td>\n<td>60.0 \u00b1 1.5<\/td>\n<td>30.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>70.0\/35.0<\/td>\n<td>70.0 \u00b1 1.5<\/td>\n<td>35.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>80.0\/40.0<\/td>\n<td>80.0 \u00b1 1.5<\/td>\n<td>40.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>90.0\/45.0<\/td>\n<td>90.0 \u00b1 1.5<\/td>\n<td>45.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>100.0\/50.0<\/td>\n<td>100.0 \u00b1 1.5<\/td>\n<td>50.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>120.0\/60.0<\/td>\n<td>120.0 \u00b1 1.5<\/td>\n<td>60.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>150.0\/75.0<\/td>\n<td>150.0 \u00b1 1.5<\/td>\n<td>75.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>180.0\/90.0<\/td>\n<td>180.0 \u00b1 1.5<\/td>\n<td>90.0 \u00b1 1.5<\/td>\n<\/tr>\n<tr>\n<td>200.0\/100.0<\/td>\n<td>200.0 \u00b1 1.5<\/td>\n<td>100.0 \u00b1 1.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2020 Ngu\u1ed3n ghi ti\u00eau \u0111\u1ec1 c\u1ed9t sau khi co l\u1ea1i l\u00e0 \u201cMax. I.D. sau khi co l\u1ea1i\u201d trong khi li\u1ec7t k\u00ea c\u00e1c gi\u00e1 tr\u1ecb \u00b1. C\u00e1c gi\u00e1 tr\u1ecb \u0111\u00f3 \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o kh\u00f4ng thay \u0111\u1ed5i \u1edf \u0111\u00e2y, thay v\u00ec \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng l\u1ea1i th\u00e0nh gi\u1edbi h\u1ea1n t\u1ed1i \u0111a kh\u00f4ng \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n. H\u00e3y l\u1ea5y gi\u1edbi h\u1ea1n cung c\u1ea5p\/thu h\u1ed3i d\u1ee9t kho\u00e1t cho k\u00edch th\u01b0\u1edbc HTS \u0111\u00e3 ch\u1ecdn tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t m\u1ed9t b\u1ed9 ph\u1eadn g\u1ea7n v\u1edbi b\u1ea5t k\u1ef3 gi\u1edbi h\u1ea1n n\u00e0o.<\/p>\n<h3>3:1 \u1ed1ng l\u00f3t keo \u2014 HS3X<\/h3>\n<p>T\u1ef7 l\u1ec7 <a href=\"https:\/\/yocl.com\/vi\/product\/hs3x-3-1-dual-wall-adhesive-lined-heat-shrink-tubing\/\">YOCL HS3X b\u1ea3ng k\u00edch th\u01b0\u1edbc<\/a> n\u00eau m\u1ed9t <strong>ID cung c\u1ea5p t\u1ed1i thi\u1ec3u<\/strong> v\u00e0 <strong>ID thu h\u1ed3i t\u1ed1i \u0111a<\/strong>. C\u00e1c m\u1ee5c nh\u1eadp h\u1ec7 m\u00e9t b\u00ean d\u01b0\u1edbi gi\u1eef nguy\u00ean c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00e3 xu\u1ea5t b\u1ea3n c\u1ee7a YOCL; ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i t\u1eeb nh\u00e3n k\u00edch th\u01b0\u1edbc ph\u00e2n s\u1ed1 inch.<\/p>\n<table>\n<thead>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc ren (mm)<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh trong (mm), t\u1ed1i thi\u1ec3u<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh ph\u1ee5c h\u1ed3i (mm), t\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.4<\/td>\n<td>\u22652.4<\/td>\n<td>\u22640.8<\/td>\n<\/tr>\n<tr>\n<td>3.2<\/td>\n<td>\u22653.2<\/td>\n<td>\u22641.0<\/td>\n<\/tr>\n<tr>\n<td>4.8<\/td>\n<td>\u22654.8<\/td>\n<td>\u22641.6<\/td>\n<\/tr>\n<tr>\n<td>6.4<\/td>\n<td>\u22656.4<\/td>\n<td>\u22642.2<\/td>\n<\/tr>\n<tr>\n<td>7.9<\/td>\n<td>\u22657.9<\/td>\n<td>\u22642.7<\/td>\n<\/tr>\n<tr>\n<td>9.5<\/td>\n<td>\u22659.5<\/td>\n<td>\u22643.2<\/td>\n<\/tr>\n<tr>\n<td>12.7<\/td>\n<td>\u226512.7<\/td>\n<td>\u22644.2<\/td>\n<\/tr>\n<tr>\n<td>15.0<\/td>\n<td>\u226515.0<\/td>\n<td>\u22645.2<\/td>\n<\/tr>\n<tr>\n<td>19.1<\/td>\n<td>\u226519.1<\/td>\n<td>\u22646.3<\/td>\n<\/tr>\n<tr>\n<td>25.4<\/td>\n<td>\u226525.4<\/td>\n<td>\u22648.5<\/td>\n<\/tr>\n<tr>\n<td>30.0<\/td>\n<td>\u226530.0<\/td>\n<td>\u226410.2<\/td>\n<\/tr>\n<tr>\n<td>39.0<\/td>\n<td>\u226539.0<\/td>\n<td>\u226413.5<\/td>\n<\/tr>\n<tr>\n<td>50.0<\/td>\n<td>\u226550.0<\/td>\n<td>\u226417.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4:1 \u1ed1ng l\u00f3t keo \u2014 HS4X<\/h3>\n<p>T\u1ef7 l\u1ec7 <a href=\"https:\/\/yocl.com\/vi\/product\/hs4x-4-1-dual-wall-adhesive-lined-heat-shrink-tubing\/\">YOCL HS4X b\u1ea3ng k\u00edch th\u01b0\u1edbc<\/a> s\u1eed d\u1ee5ng c\u00e1c c\u1eb7p k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c cung c\u1ea5p\/kh\u00f4i ph\u1ee5c v\u00e0 gi\u1edbi h\u1ea1n \u2265\/\u2264 r\u00f5 r\u00e0ng. V\u00ed d\u1ee5, 16.0\/4.0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u01b0\u1ee3c cung c\u1ea5p \u00edt nh\u1ea5t l\u00e0 16.0 mm v\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 kh\u00f4i ph\u1ee5c kh\u00f4ng qu\u00e1 4.0 mm.<\/p>\n<table>\n<thead>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc ren (mm)<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh trong (mm), t\u1ed1i thi\u1ec3u<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh ph\u1ee5c h\u1ed3i (mm), t\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>4.0\/1.0<\/td>\n<td>\u22654.0<\/td>\n<td>\u22641.0<\/td>\n<\/tr>\n<tr>\n<td>6.0\/1.5<\/td>\n<td>\u22656.0<\/td>\n<td>\u22641.5<\/td>\n<\/tr>\n<tr>\n<td>8.0\/2.0<\/td>\n<td>\u22658.0<\/td>\n<td>\u22642.0<\/td>\n<\/tr>\n<tr>\n<td>12.0\/3.0<\/td>\n<td>\u226512.0<\/td>\n<td>\u22643.0<\/td>\n<\/tr>\n<tr>\n<td>16.0\/4.0<\/td>\n<td>\u226516.0<\/td>\n<td>\u22644.0<\/td>\n<\/tr>\n<tr>\n<td>20.0\/5.0<\/td>\n<td>\u226520.0<\/td>\n<td>\u22645.0<\/td>\n<\/tr>\n<tr>\n<td>24.0\/6.0<\/td>\n<td>\u226524.0<\/td>\n<td>\u22646.0<\/td>\n<\/tr>\n<tr>\n<td>32.0\/8.0<\/td>\n<td>\u226532.0<\/td>\n<td>\u22648.0<\/td>\n<\/tr>\n<tr>\n<td>52.0\/13.0<\/td>\n<td>\u226552.0<\/td>\n<td>\u226413.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c b\u1ea3ng n\u00e0y ch\u1ec9 bao g\u1ed3m HTS, HS3X v\u00e0 HS4X. C\u00e1c lo\u1ea1i \u1ed1ng \u0111\u01a1n th\u00e0nh, b\u00e1n c\u1ee9ng, thanh c\u00e1i ho\u1eb7c lo\u1ea1i chuy\u00ean d\u1ee5ng kh\u00e1c c\u1ea7n c\u00f3 b\u1ea3ng k\u00edch th\u01b0\u1edbc ri\u00eang; t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u1ee9ng kh\u00f4ng l\u00e0m cho k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n<h2>\u0110\u01b0\u1eddng k\u00ednh sau khi gi\u00e3n n\u1edf, ph\u1ee5c h\u1ed3i v\u00e0 l\u1eafp \u0111\u1eb7t l\u00e0 c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau<\/h2>\n<p><strong>\u0110\u01b0\u1eddng k\u00ednh trong (ID)<\/strong> \u0111o l\u1ed7 c\u1ee7a \u1ed1ng. <strong>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/strong> \u0111o c\u00e1p ho\u1eb7c b\u1ed9 ph\u1eadn m\u00e0 n\u00f3 ph\u1ea3i bao quanh.<\/p>\n<ul>\n<li><strong>\u0110\u00e3 gi\u00e3n n\u1edf\/khi cung c\u1ea5p:<\/strong> l\u1ed7 khoan c\u00f3 s\u1eb5n tr\u01b0\u1edbc khi gia nhi\u1ec7t, d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra xuy\u00ean qua.<\/li>\n<li><strong>\u0110\u00e3 co l\u1ea1i t\u1ef1 do:<\/strong> l\u1ed7 khoan \u0111\u1ea1t \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n co l\u1ea1i quy \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u00f3 v\u1eadt th\u1ec3 b\u00ean trong h\u1ea1n ch\u1ebf s\u1ef1 co l\u1ea1i.<\/li>\n<li><strong>\u0110\u00e3 l\u1eafp \u0111\u1eb7t:<\/strong> \u1ed1ng l\u1ed3ng bao quanh v\u1eadt th\u1ec3. C\u00e1p l\u1edbn h\u01a1n l\u1ed7 khoan co l\u1ea1i t\u1ef1 do s\u1ebd ng\u0103n n\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ed7 khoan \u0111\u00f3.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi h\u00e0ng HS4X 12.0\/3.0, hai tr\u01b0\u1eddng danh m\u1ee5c l\u00e0 \u226512.0 mm cung c\u1ea5p v\u00e0 \u22643.0 mm co l\u1ea1i. Kh\u00f4ng tr\u01b0\u1eddng n\u00e0o \u0111\u1ea3m b\u1ea3o \u1ed1ng l\u1ed3ng \u0111\u00e3 l\u1eafp \u0111\u1eb7t quanh c\u00e1p l\u1edbn h\u01a1n s\u1ebd c\u00f3 l\u1ed7 khoan 3.0 mm.<\/p>\n<figure class=\"wp-block-image\">\n<img decoding=\"async\" src=\"https:\/\/yocl.com\/wp-content\/uploads\/2026\/10\/heat-shrink-tubing-size-chart-diameter-states.webp\" alt=\"End-on schematic showing expanded and freely recovered inside-diameter limits for YOCL HS4X 12.0\/3.0 tubing, with arrows across the bore.\"><figcaption>Gi\u1edbi h\u1ea1n danh m\u1ee5c HS4X 12.0\/3.0. S\u01a1 \u0111\u1ed3, kh\u00f4ng \u0111\u00fang t\u1ef7 l\u1ec7; v\u1eadt th\u1ec3 b\u00ean trong h\u1ea1n ch\u1ebf s\u1ef1 co l\u1ea1i v\u00e0 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i l\u1eafp \u0111\u1eb7t.<\/figcaption><\/figure>\n<p>\u0110\u1ecdc c\u00e1c k\u00fd hi\u1ec7u nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt: <strong>\u2265<\/strong> cung c\u1ea5p gi\u1edbi h\u1ea1n d\u01b0\u1edbi; <strong>\u2264<\/strong> cung c\u1ea5p gi\u1edbi h\u1ea1n tr\u00ean; <strong>\u00b1<\/strong> duy tr\u00ec s\u1ef1 thay \u0111\u1ed5i xung quanh gi\u00e1 tr\u1ecb \u0111\u00e3 n\u00eau. Kh\u00f4ng x\u00f3a c\u00e1c d\u1ea5u n\u00e0y khi sao ch\u00e9p k\u00edch th\u01b0\u1edbc v\u00e0o y\u00eau c\u1ea7u.<\/p>\n<p>C\u0169ng gi\u1eef ri\u00eang t\u1ef7 l\u1ec7 danh ngh\u0129a. M\u1ee5c HS3X 6.4 mm li\u1ec7t k\u00ea gi\u1edbi h\u1ea1n ph\u1ee5c h\u1ed3i l\u00e0 <strong>\u22642.2 mm<\/strong>, trong khi 6.4 \u00f7 3 x\u1ea5p x\u1ec9 2.13 mm. Thay th\u1ebf 2.2 b\u1eb1ng ph\u00e9p t\u00ednh \u0111\u00f3 s\u1ebd thay \u0111\u1ed5i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 c\u00f4ng b\u1ed1.<\/p>\n<p>\u0110\u1ed1i v\u1edbi b\u1ea3n \u0111\u1ed3 thu\u1eadt ng\u1eef r\u1ed9ng h\u01a1n, xem <a href=\"https:\/\/yocl.com\/vi\/what-is-heat-shrink-tubing\/\">\u1ed0ng co nhi\u1ec7t l\u00e0 g\u00ec? T\u1ef7 l\u1ec7, \u0111\u1ed9 d\u00e0y v\u00e0 l\u1edbp l\u00f3t keo<\/a>.<\/p>\n<h2>S\u1eed d\u1ee5ng c\u1ea3 hai gi\u1edbi h\u1ea1n \u0111\u01b0\u1eddng k\u00ednh t\u1eeb c\u00f9ng m\u1ed9t h\u00e0ng<\/h2>\n<p>\u0110\u1ec3 ki\u1ec3m tra s\u01a1 b\u1ed9 <strong>c\u00e1c b\u1ed9 ph\u1eadn tr\u00f2n v\u00e0 \u1ed1ng h\u1edf<\/strong>, x\u00e1c \u0111\u1ecbnh:<\/p>\n<ul>\n<li><strong>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 \u0111i qua:<\/strong> \u0111\u1eb7c \u0111i\u1ec3m tr\u00f2n r\u1ed9ng nh\u1ea5t m\u00e0 \u1ed1ng co ch\u01b0a co l\u1ea1i ph\u1ea3i v\u01b0\u1ee3t qua, bao g\u1ed3m \u0111\u1ea7u n\u1ed1i ho\u1eb7c m\u1ed1i n\u1ed1i.<\/li>\n<li><strong>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i nh\u1ecf nh\u1ea5t \u0111\u01b0\u1ee3c che ph\u1ee7:<\/strong> the narrowest round cable surface onto which the sleeve needs to recover.<\/li>\n<\/ul>\n<p>Then compare both dimensions with one size row:<\/p>\n<p><strong>Minimum supplied ID &gt; largest pass-over OD<\/strong><\/p>\n<p><strong>Maximum freely recovered ID &lt; smallest covered OD<\/strong><\/p>\n<p>NASA <a href=\"https:\/\/standards.nasa.gov\/sites\/default\/files\/standards\/KSC\/F\/KSC-E-165-REV-F.pdf\" target=\"_blank\" rel=\"noopener\">KSC-E-165 B\u1ea3n s\u1eeda \u0111\u1ed5i F, \u00a73.8.1.1.1(a)<\/a> documents this expanded-larger\/recovered-smaller relationship for electrical ground-support-equipment fabrication. It supports the dimensional principle, rather than approval of a YOCL assembly.<\/p>\n<p>Equality leaves no dimensional margin. Include component tolerances and the model&#8217;s installation allowance; this chart does not prescribe a universal clearance percentage. Flat busbars, irregular connectors and bundles need a geometry review rather than a single round-diameter comparison.<\/p>\n<h3>Worked example: a 14 mm feature and a 5 mm cable<\/h3>\n<p>Assume the largest round feature is <strong>14 mm OD<\/strong> and the smallest cable jacket is <strong>5 mm OD<\/strong>. These are illustrative inputs, not measurements of a particular installation.<\/p>\n<figure class=\"wp-block-image\">\n<img decoding=\"async\" src=\"https:\/\/yocl.com\/wp-content\/uploads\/2026\/10\/heat-shrink-tubing-size-chart-pass-over-dimensions.webp\" alt=\"Illustrative round connection with a 14 mm outside-diameter feature and a 5 mm cable jacket, identifying the two dimensions used in the tubing-fit example.\"><figcaption>Measure the largest pass-over feature and the smallest covered surface separately. These illustrative dimensions are the inputs to the table below.<\/figcaption><\/figure>\n<table>\n<thead>\n<tr>\n<th>Series and metric size<\/th>\n<th>Minimum supplied ID<\/th>\n<th>Maximum recovered ID<\/th>\n<th>Supplied minimum &gt;14 mm?<\/th>\n<th>Recovered maximum &lt;5 mm?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HS3X 12.7 mm<\/td>\n<td>12.7 mm<\/td>\n<td>4.2 mm<\/td>\n<td>Ch\u01b0a x\u00e1c \u0111\u1ecbnh<\/td>\n<td>\u0110\u1ea1t<\/td>\n<\/tr>\n<tr>\n<td>HS3X 15.0 mm<\/td>\n<td>15.0 mm<\/td>\n<td>5.2 mm<\/td>\n<td>\u0110\u1ea1t<\/td>\n<td>Ch\u01b0a x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>HS4X 16.0\/4.0 mm<\/td>\n<td>16.0 mm<\/td>\n<td>4.0 mm<\/td>\n<td>\u0110\u1ea1t<\/td>\n<td>\u0110\u1ea1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>HS4X 16.0\/4.0 passes both dimensional inequalities for these inputs.<\/strong> It remains a candidate requiring application review. The HS3X 12.7 row does not establish clearance over 14 mm. Moving up to HS3X 15.0 establishes that clearance, but its 5.2 mm recovered upper limit does not establish contraction below a 5 mm jacket.<\/p>\n<p>\u201cNot established\u201d does not claim every specimen will fail. It means the published bound is insufficient to assure that check. Choose the nearest listed row that satisfies <strong>both<\/strong> requirements with the specified allowance, rather than simply taking the next larger size.<\/p>\n<h2>What the diameter chart does not decide<\/h2>\n<p>Measure the actual insulated cable OD. <strong>American Wire Gauge (AWG)<\/strong> or conductor cross-sectional area does not specify the jacket diameter, and a flattened sleeve&#8217;s width is not its inside diameter. A nominal fractional-inch label likewise cannot replace the model&#8217;s stated diameter fields.<\/p>\n<p>The installed sleeve also needs enough space and coverage. Check wall thickness with its measurement state, finished outside dimensions and the product&#8217;s longitudinal-change information. Do not assume a freely recovered wall value is the wall on a partly recovered cable, or apply the diameter shrink ratio to cut length. Where a wall field is labelled \u201ctotal\u201d, do not add its adhesive thickness again.<\/p>\n<p>For the liner decision, use <a href=\"https:\/\/yocl.com\/vi\/single-wall-vs-dual-wall-heat-shrink-tubing\/\">\u1ed0ng co nhi\u1ec7t m\u1ed9t l\u1edbp v\u00e0 hai l\u1edbp<\/a>. A successful diameter check alone establishes neither an electrical rating nor a sealed connection.<\/p>\n<p>To confirm a size, use the <a href=\"https:\/\/yocl.com\/vi\/heat-shrink-tubing-manufacturer\/\">Danh m\u1ee5c \u1ed1ng co nhi\u1ec7t YOCL<\/a> and provide the series, exact size row, largest pass-over dimension, smallest covered dimension and required coverage length. Request the applicable dimensional limits and installation information for the intended material and duty.<\/p>\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ol>\n<li>Th\u00f4ng tin s\u1ea3n ph\u1ea9m YOCL \u2014 <a href=\"https:\/\/yocl.com\/vi\/product\/hts-2-1-single-wall-heat-shrink-tubing\/\">HTS 2:1 \u1ed0ng co nhi\u1ec7t th\u00e0nh \u0111\u01a1n<\/a>. Complete 39-row dimension table, nominal pair meaning and published \u00b1 fields; checked 6 October 2026.<\/li>\n<li>Th\u00f4ng tin s\u1ea3n ph\u1ea9m YOCL \u2014 <a href=\"https:\/\/yocl.com\/vi\/product\/hs3x-3-1-dual-wall-adhesive-lined-heat-shrink-tubing\/\">HS3X 3:1 \u1ed0ng co nhi\u1ec7t hai l\u1edbp c\u00f3 keo d\u00e1n<\/a>. Complete 13-row dimension table and supplied\/recovered limits; checked 6 October 2026.<\/li>\n<li>Th\u00f4ng tin s\u1ea3n ph\u1ea9m YOCL \u2014 <a href=\"https:\/\/yocl.com\/vi\/product\/hs4x-4-1-dual-wall-adhesive-lined-heat-shrink-tubing\/\">HS4X 4:1 \u1ed0ng co nhi\u1ec7t hai l\u1edbp c\u00f3 keo d\u00e1n<\/a>. Complete nine-row dimension table and supplied\/recovered limits; checked 6 October 2026.<\/li>\n<li>Trung t\u00e2m V\u0169 tr\u1ee5 Kennedy c\u1ee7a NASA \u2014 <a href=\"https:\/\/standards.nasa.gov\/sites\/default\/files\/standards\/KSC\/F\/KSC-E-165-REV-F.pdf\" target=\"_blank\" rel=\"noopener\">KSC-E-165 Revision F, 20 December 2021<\/a>, <em>Electrical Ground Support Equipment Fabrication, Specification for<\/em>. Section 3.8.1.1.1(a), printed page 59; dimensional principle within its ground-support-equipment scope.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Read a heat shrink tubing size chart using two inside diameters: the expanded bore before heating and the freely recovered bore after shrinking. The supplied bore must clear the largest feature; the recovered bore must be smaller than the surface it needs to grip. Use the actual row limits, rather than dividing a nominal size [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2453,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[165],"tags":[],"class_list":["post-2454","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\/2454","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=2454"}],"version-history":[{"count":1,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/2454\/revisions"}],"predecessor-version":[{"id":2455,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/2454\/revisions\/2455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media\/2453"}],"wp:attachment":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media?parent=2454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/categories?post=2454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/tags?post=2454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}