high temperature resistant, fire retardant, non-stick on one side PTFE glass fabric with backside adhesive ... increase its strength, another one is pure Teflon PTFE adhesive tape.Self adhesive PTFE fabric (sealing tapes) features high temperature resistant ... , packaging, sealing industries.Pure PTFE adhesive sealing tape, also named pure Teflon adhesive tape, features more flexible and it is insulating, ...