Heat Shrink Tubing Thin Wall Material Modified Polyvinylidene Fluoride Semi Rigid Flame Retardant Yes Adhesive Lined No Shrink Ratio 2 1 Use With Wire Size 4 AWG to 3/0 AWG I.D. Before Shrinking 0.75 in I.D. After Shrinking 0.38 in Wall Thickness After Shrinking 0.02 in Length 6 in Shrink Tubing Properties Abrasion Resistant Acid and Alkali Resistant Fuel and Oil Resistant High Heat Resistant Solvent Resistant Color Clear Temp Range -67 Degrees to 347 Degrees F