Premium Material:PTFE fiberglass fabric tape features 1/2in wide, 30 ft length and 0.18 mm thickness. Excellent QualityStrong stickness,High temperature resistance, Winding tight.This fabric tape features good insulation and wear resistance, it can meet your different application and work longer time. You can cut them down to the perfect size for your machine easily. Easy to usePeel off the adhesive tape from the roll and stick the teflon tape directly on place. Upper the wire for vacuum sealers, under the wire for impulse sealers. Please make sure the surface is dry and smooth, It would be better to make strip warm before sticking. Strips should be replaced when they appear discolored to make sure the sealing is perfect. MultipurposeWide apply for heat sealing, shrink wrapping, like Impulse Sealer, high-speed sealing machine, food packaging, hot melt machine, motor, high and low voltage electrical products, wire and cable insulation protection, battery manufacturing of sewing machine and so on.