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●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、坚实。用 途:电线连接处、汽车线束连接处，电子部件的绝缘、防水、防潮、防腐及电线外层破损修复，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、汽车油管、汽车线束、高级线束等。特 性：三倍收缩、四倍收缩、双层结构、阻燃交联聚烯烃内附热溶胶。收缩温度: 110℃以上收 缩 率：径向收缩率≥50%轴向收缩率≤10%工作温度-55℃~125℃；阻燃UL224 VW-1标准颜色:黑,透明