Heat Shrink Tubing Heavy Wall Material Cross-Linked Polyolefin with Adhesive Semi Rigid Flame Retardant Yes Adhesive Lined Yes Shrink Ratio 3 1 Use With Wire Size 2/0 AWG to 350 MCM I.D. Before Shrinking 1.5 in I.D. After Shrinking 0.47 in Wall Thickness After Shrinking 0.16 in Length 4 ft Shrink Tubing Properties Solvent Resistant UV Light Resistant Color Black Temp Range -55 Degrees to 110 Degrees F Package Style Individual Pieces Min Shrink Temp 248 Degrees F