... called:Insulation Sleeving,Electrical Coated Fiberglass Sleeving,inside Rudbber outside Fiber,Fiberglass Sleeving Coated with Silicone Rubber,Silicone Rubber Coated Fiberglass Sleeving,etc.Application: ... insulating protection of H&N Grade automobile,shipbuilding,electrical machinery,home appliance,electric&heat ...