Scotch Tape 70 HDT is a 20 mil thick, premium grade, electrical tape with silicone rubber backing. This triangular, tapered edge tape is used as a base tape layer for easy re enter connections. It withstands temperatures up to 356 °F (180 °C).Scotch Tape 70HDT High Temperature Tape has a self fusing, inorganic, silicone adhesive that offers optimized adherence. It is used as an overwrap for protecting high voltage cables from tracking. This highly conformable tape has outstanding weathering characteristics and provides excellent resistance to arcs and flashes. This tape has a triangular, tapered edge profile and a blue guideline that makes half lapping applications easier. RoHS 2011/65/EU Compliant.