Our premium performance 3M™ PTFE Glass Cloth Tape 5451 has a brown, woven glass cloth backing impregnated with PTFE (polytetrafluoroethylene). This tape provides a slick surface on process machinery and offers an extremely low coefficient of friction which, in combination with a pressure-sensitive silicone adhesive, creates a non-stick surface that performs at elevated temperatures.Used in a variety of industries, 3M Glass Cloth Tape 5451 is a strong and durable, fibreglass backed tape designed to perform at high temperatures. This tape is used in a variety of aerospace, automotive, military, roofing, specialty vehicle, and ship building industries for seaming and sealing panels, high temperature masking, bundling, holding, and harness wrapping. It is able to withstand temperatures ranging from -65F/-54C to 450F/232C, and intermittent temperatures up to 550F/288C or higher, depending on the type and duration of the heat source.