... It is made from Polyolefin. It shows excellent flame-retardant, insulation,low temperature shrinking and flexible properties. ... high quality irradiation cross-linked Polyolefin. It shows excellent flame-retardant,insulation,low temperature shrinking and flexible properties. Common ... degree;4.Shrink Ratio:2:1,Longnitudinal Shrink ratio≤±5%;5.Waterproof, RoHS compliant.Standard Colors:Black,white,red, ...