https://www.ebay.com/sch/i.html?_nkw=3M+27+1+2X66+Glass+Tape+Package+Qty+10&_sacat=0&_dmd=2

3M 27-1/2X66' Glass Tape - Package Qty 10

Regular price
$185.00
Sale price
$124.00

3M 27 Corrosion Resistant High-Temperature White Glass Cloth Tape, 1/2" X 66' This 3M 27 electrical tape will stand the test of time. Made from a glass and cloth blend, this tape will not rot or corrode with time. Not only can it handle high temperatures, the adhesive becomes stronger as the temperature rises. Often used as heat-stable insulation for furnace and oven controls, motor leads, and switches.