This Scotch Self Fusing Silicone Rubber Electrical Tape 70 is used as a protective overwrap for terminating high voltage cables.
3M 57261, Scotch Self-Fusing Silicone Rubber Electrical Tape 70, 1 in x 30 ft, Sky Blue/Gray, 7000006225
$69.92
Factory Stock, 7-10 Day Leadtime
Scotch Tape 70 is a 12 mil thick, premium grade, electrical tape with silicone rubber backing. This tape is used as a base tape layer for easy re enter connections. It withstands temperatures up to 356F (180C).

Standard Abrasives 716916, Cartridge RoII Mandrel, 6997818, 1/8 in x 3/4 in x 1/4 in x 6 in CM-XL, 7010368732
3M 40465, VentureClad Heavy Duty Insulation Jacketing Tape 1579GCW, Silver, 30 in x 25 yd, 7100209735 
