... water,Salt, Strong base,Weak base,Food High elasticity-20°C~+85°C Hypalon(X2)Fresh water,Sea water,Salt, Strong base,Weak ... base,Weak acid,Alcohol. Oxidation resistant-20°C~+85°CShort time +140°C EPDM(X3)Fresh water, Sea water,Salt,Steam ... , Oil,Food. High performance resistant, corrosion resistant-20°C~+200°CShort time +250°C PTFEFresh water, Sea water, Salt,Weak base,Weak ...