... .Order,100kg 4.Free sample High abrasion resistant PTFE gasket 1.Feature1.Acid and alkali resistant 2.Chemical resistant 3.JIS/ASTM sizes available ... 4.Non-viscous,no aging.1.Strong chemical-resistant.2.Acid and alkali resistant.3.Non-viscous, no aging.4.Used at ... , PTFE has a wide application as a sealing material. High abrasion resistant PTFE gasket