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 12 in 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