3/4" x 60 Yd 12 mil Premium Grade White Cloth Duct Tape is Used for havoc duct sealing, and excellent adhesion to metal. This 12 mil Premium Grade White Cloth Duct Tape uses a Rubber Adhesive application. With a tensile strength of 33 lbs/in., 12 mil thick tape features 75 oz/in. of adhesion and an elongation of 5%. 12 mil Premium Grade White Cloth Duct Tape can also withstand temperatures ranging from 32? - 200? Fahrenheit. This is a polyethylene coated waterproof cloth tape,.