Heat Shrink Tubing Thin Wall Material Polyolefin Flexible Flame Retardant Yes Adhesive Lined No Shrink Ratio 2 1 Use With Wire Size 2/0 AWG to 500 MCM I.D. Before Shrinking 1.04 in I.D. After Shrinking 0.5 in Wall Thickness After Shrinking 0.03 in Length 100 ft Shrink Tubing Properties UV Light Resistant Color Black Temp Range -67 Degrees to 257 Degrees F Package Style Cut to Length Min Shrink Temp 158 Degrees F Dielectric Strength 600 V Max Temp Rating 257 Degrees F