Cold Shrink Quick Insulator, Medium Wall, Material EPDM Rubber, Flexible, Flame Retardant No, Adhesive Lined No, Shrink Ratio Not Rated, Use With Wire Size 250 MCM to 1250 MCM, I.D. Before Shrinking 2.25 in, I.D. After Shrinking 0.71 in, Wall Thickness After Shrinking Not Applicable, Length 6 in, Shrink Tubing Properties Acid and Alkali , Color Black, Temp. Range -40 Degrees to 194 Degrees F, Package Style Individual Pieces, Dielectric Strength 365 V, Max. Temp. Rating 194 Degrees F