... characteristics of fire-resistance and shrinkable temperature is 90. shrinkable tube1. Heat Shrinkable TubeDRS series radiation cross-linking insulation heat shrinkable tube has the functions of ... insulation, water resisting, wet resisting and airproof, and net.4. Heat Shrinkable Tube(shrinkable tube,cable accessories,bus-bar tube,shrinkable tubing,continue insulation) heat shrink cable termination