... UL Test. Fiberglass insulation sleeving is braided from E-glass fiber,then coated with different materials ... ,Electrical Coated Fiberglass Sleeving,inside Rudbber outside Fiber,Fiberglass Sleeving Coated with Silicone Rubber,Silicone Rubber Coated Fiberglass Sleeving, ... TV and electronic equipment,etc.Technology passport:Fiberglass insulation sleevingvalueContinuous Operating Temperature -60"C--250 ...