2" x 110 Yd Clear 1.9 mil Polyester Box Sealing Tape with Hot Melt Rubber Adhesive is Used for box sealing. This 1.9 mil Polyester Box Sealing Tape with Hot Melt Rubber Adhesive uses a Rubber Adhesive application. With a tensile strength of 26 lbs/in., 1.9 mil thick tape features 48 oz/in. of adhesion and an elongation of 165%. 1.9 mil Polyester Box Sealing Tape with Hot Melt Rubber Adhesive can also withstand temperatures ranging from 45? - 120? Fahrenheit.