3M™ General Purpose PTFE Glass Cloth Tape 5151, the 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 products provide long lasting, easy release performance on heat sealing machines and process equipment. You also can use the tapes to keep production moving smoothly through conveying chutes, troughs and ducts.