... to most chemicals and solvents, exhibit inert, resistant to strong acid and alkali, water and various organic solvents.(5 ... : Generally used in high performance requirements of corrosion-resistant pipes, vessels, pumps, valves and system radar, high ... name Teflon). Chemical, petrochemical, oil refining, chlor-alkali, acid, phosphate fertilizer, pharmaceutical, pesticide, chemical fiber, dyeing, coking ...