... in1980 B.CE,ROHS,SGS,UL,KEMA,VDE,TSE,CB C.ISO9001,14001 D.manufacturer E. 430 employees,15000 square meter ... over-heat on temperature-sensitive components4.Dual wall heat shrinkable tube can be used to protectable bundles wires and metal tubes ... Wall only): 60 to 80 degrees 9.Approval: UL224VW-1, C-UL CSA C22.2 OFT10.Color: black, white ,yellow,blue ...