Heat Shrink Tubing, Thin Wall, Material Polyolefin, Flexible, Flame Retardant Yes, Adhesive Lined No, Shrink Ratio 2:1, Use With Wire Size 500 MCM to 800 MCM, I.D. Before Shrinking 1.5 in, I.D. After Shrinking 0.75 in, Wall Thickness After Shrinking 0.04 in, Length 100 ft, Shrink Tubing Properties Acid and Alkali , Solvent , Color White, Temp. Range -67 Degrees to 275 Degrees F, Package Style to Length, Min. Shrink Temp. 212 Degrees F, Dielectric Strength 600 V