... 500 F 2.Chemical corrosion resist High sealing PTFE coated fiberglass adhesive tape/fabrics for bag sealing:Introduction:Teflon ... food, environment protection, print and painting, costume, chemical, glass manufacture, medical, electronic, insulation, building (basic cloth of topping ... ultraviolet resistance, static proofing; 6). Fireproofing and flame resisting;7). Easy to use and long using life. ...