3M™ PTFE Glass Cloth Tape 5453 Brown, premium performance, glass cloth tape impregnated with PTFE and silicone adhesive. Tape 5453 is a heat seal tape. Thicker backing version of Tape 5451 3M™ PTFE Glass Cloth Tape 5453, premium performance PTFE combined with glass cloth is resistant to most chemicals, provides a slick surface, high tensile strength, puncture resistance and abrasion resistance with low moisture absorption. These product