When PTFE washers are used in systems using water-reactive acidic or basic gases, their moisture can cause the formation of corrosive acids or alkaline liquids in the system.

• 当PTFE用于使用可以同水反应的酸性或碱性气体气体的系统时，它们的水蒸汽会在系统内导致腐蚀性酸性或碱性液体的生成。