8.5 Mil Professional Grade Vinyl Electrical Tape 3.4" X 66 Ft - All Weather Professional Grade Splicing Tape used as Primary Insulation up to 600V and as a Protective Outer Jacket up to 69KV.8.5 Mil Professional Grade Vinyl Electrical Tape 3.4" X 66 Ftfeatures include: 8.5 Mil Professional Grade Vinyl Electrical Tape is 8.5 Mil Thick for Heavy Duty and High Voltage Applications Comparable To 3M Super 88 Use as Primary Insulation up to 600V Use as Protective Outer Jacket up to 69KV Excellent Cold Weather Resistant Properties -1deg;F To 221deg;F (-18deg;C To 105deg;C) Flame Retardant and Weather Resistant Highly Elastic Polymeric Backing - Excellent Elongation High dielectric strength, high adhesion and shear Resistant to acids, alkalis, chemicals, oils, moisture and corrosion Electric tape withstands 10,000V UL 510 and CSA 22.2 Listed ASTM-D-3005 and HH-I-595C Approved Mil Spec MIL-I-24391-C Lead Free Order Qty of 1 = 1 Piece Below is more info on our 8.5 Mil Professional Grade Vinyl Electrical Splicing Tape 3.4" X 66 Ft