... marine cable and other industrial fields.. JDD MSBG Dual wall heat-shrinkable tube is made of an external high quality PE ... layer with an hot melting adhesive inner layer. Exposed to heat source, the inner layer begins to melt and flow, when ... and colours on requestCertified: UL, CSA, RoHS, Halogen free.Tool: heat gun, oven Dual Heat Shrink Tube