1/2" x 72 Yd Blue Polyester Film with Silicone Adhesive is Used for splice silicone papers and polyethylene, mask electronic parts, and manufacture of silicone liners by paper converters. This Polyester Film with Silicone Adhesive uses a Silicone Adhesive application. With a tensile strength of 20 lbs/in., 2.5 mil thick tape features 20 oz/in. of adhesion and an elongation of 100%. Polyester Film with Silicone Adhesive can also withstand temperatures ranging from 32? - 385? Fahrenheit. This is a 1 mil polyester film with a silicone adhesive - excellent resistance to chemicals and fumes, available in pink and blue.