1.Acid and alkali resistance to a variety of organic solvents 2. ... - to most chemicals and solvents, exhibit inert, resistant to strong acid and alkali, water and various organic solvents.(5)Weather-resistance ... (foreign trade name Teflon). Chemical, petrochemical, oil refining, chlor-alkali, acid, phosphate fertilizer, pharmaceutical, pesticide, chemical fiber, dyeing, coking, coal gas, organic ...