详细说明
双壁热缩套管(XR-H DallHEAT SHRINKABLE TUBES)
描述:
※ 双壁热收缩套管内层附有热熔胶的半柔性热缩管,外层是由辐射交联聚烯烃组成,内层是专门设计的胶性内壁;加热时内壁熔融,并随外壁收缩填充孔隙或缝隙,冷却后,双壁管壁厚均匀,结实.
※ 阻燃级别: UL224 VW-1
※产品具有低温收缩、柔软、阻燃、防水防潮、耐油耐酸等优点.
※ 产品收缩比率:2:1 3:1 4:1
用途:
本产品广泛应用于电子设备的接线防水,电线分支处的密封固定,金属管线的防腐保护,以及防止由高分子链松弛产生的松动和脱落,如水下灯饰,汽车刹车油管,高级线束的防腐保护.
性能参数:Properties
| 性能Properties | 特性要求(Specification Requirement) |
| ※ 物理性能(Physical): | |
| 收缩温度(Shrink Temperature) | 90-110℃ |
| 适用温度(Continuous Operating Temperature) | -55℃～125℃ |
| 老化后抗张强度(Tensile strength after aging) | 10.4Mpa |
| 老化后断裂伸长率(Elongation after aging) | ＞200% |
| 收缩比率(Radial Shrinking Ratio) | 33%(3:1) OR 25%(4:1) |
| 纵向收缩(Longitudinal Shrinking Ratio) | ＜±15% |
| | |
| ※ 电气性能(Electrical): | |
| 绝缘耐压(Dielectric Voltage withstan) | ≥2500V |
| 体积电阻率(Volume resistivity) | ≥10 14Ω.CM |
| ※ 化学性能(Chemical): | |
| 铜腐蚀性(Corrosion ) | 不被侵蚀(NO corrosion) |
| 耐油性(Copper stability) | 卓越性能(Good to Excellent) |
| 阻燃性(Flammability) | VW-1 |
| 规格 SIZE | 扩张后尺寸 (Sides after spreading) | 自由收缩后尺寸 (Sides after freedly shrink) |
| 最小内径 | 壁厚 | 最小内径 | 总壁厚 | 胶层厚度 |
| Mininside diameter | Wall thickness | MAX Wall | Sum wall thickness | JC wall thickness |
| mm | INCH | mm | INCH | mm | INCH | mm | INCH | mm | INCH |
| 1/8 | 3.2 | 0.125 | 0.57 | 0.016 | 1.00 | 0.039 | 1.00±0.28 | 0.039±0.010 | 0.50 | 0.020 |
| 3/16 | 4.8 | 0.187 | 0.57 | 0.016 | 1.50 | 0.059 | 1.00±0.28 | 0.039±0.010 | 0.50 | 0.020 |
| 1/4 | 6.4 | 0.250 | 0.57 | 0.016 | 2.00 | 0.079 | 1.00±0.28 | 0.039±0.010 | 0.50 | 0.020 |
| 3/8 | 9.5 | 0.375 | 0.64 | 0.016 | 3.00 | 0.118 | 1.00±0.28 | 0.055±0.010 | 0.61 | 0.024 |
| 1/2 | 12.7 | 0.500 | 0.80 | 0.016 | 4.00 | 0.157 | 1.78±0.38 | 0.070±0.010 | 0.76 | 0.030 |
| 3/4 | 19.1 | 0.750 | 0.93 | 0.020 | 6.00 | 0.236 | 2.25±0.55 | 0.088±0.020 | 0.76 | 0.030 |
| 1 | 25.4 | 1.000 | 1.00 | 0.020 | 8.00 | 0.315 | 2.54±0.55 | 0.100±0.020 | 1.02 | 0.040 |
| 1-1/4 | 30.0 | 1.200 | 1.20 | 0.025 | 10.0 | 0.394 | 2.54±0.55 | 0.100±0.020 | 1.02 | 0.040 |