3M™ Tape 61 has a thermosetting, silicon adhesive that provides optimized adherence. This PTFE tape is suitable for minimum shrinkage applications over a wide range of temperatures. UL Listed and RoHS 2011/65/EU Compliant. 3M™ PTFE Film Electrical Tape 61 is a PTFE film backed electrical tape. This flame retardant tape is suitable for use on high temperature coils, wire harnesses and capacitors where high dielectric and breaking strength are required. This tape is 600V rated and withstands a temperature range of 32 to 356 °F (0 to 180 °C).