Material: Polyolefin Srink Ratio: 2:1/3:1 [Specifications] 3:1 heat shrink tube with heat shrinking tube, which is flexible, flame-retardant 3:1 heat shrink tube with 2012 NEWEST heat shrinkable tube with adhesivePolyolinfin heat-shrinkable single wall tube Material: PolyolefinSrink Ratio: 2:1/3:1TemperaturePotential rating: 125°C/135°C,600v(Yellow and green) Halogen-free,Flexible, flame ...