... chemicals and solvent, has properties of anti-acid/alkali, anti-hydrolysis and organic solvent resistance. ... Industries: chemical, petrifaction, oil refining, chlor-alkali, acid making, phosphoric acid, pharmacy, pesticide, chemical fiber, dyeing, coking, ... requirement.Medium: In hydrofluoric acid, phosphoric acid, vitriol, nitric acid, hydrochloric acid and so on such organic acid, organic adhesive, ...