1.Material: Pure PTFE 2.Adhesive:Silicone 3.Excellent heat resistance 4.Anti-corrosion Features:1. ... and plastic bag sealing.3. Chute, hopper,plastic molding, can be repeatedly used.4. For needs of anti-adhesive, anti-corrosion and ... H/180MediaAcids, Alkalis, Solvents, GasesColorBlack, White, Gray, Brown Heat resistance PTFE adhesive tape