Cool-Tape consists of a 1 mil aluminized material bonded to a light weight, woven fiberglass with super strong adhesive backing and release liner. Cool-Tape can reflect up to 1500 degrees of radiant heat. The uses are limited only by your imagination but common uses include wrapping wires or fuel lines and sealing openings in floor boards or firewalls. This is the finest heat shielding tape on the market Up to 1500 degree protection More flexible - Strong adhesive Thin for a tight wrap