... 500 F 2.Chemical corrosion resist High sealing PTFE coated fiberglass adhesive tape/fabrics for bag sealing:Introduction:Teflon ... chemical, glass manufacture, medical, electronic, insulation, building (basic cloth of topping frame), sharpener slice, etc. Specification:Thickness: 0. ... kinds of drying machine;2. welding of plastics, welding cloth for solder; plastic patch, membrane, belt of heat ...