... .The feature is as following: MaterialsApplicable mediumFeatureApplicable temperature°C Natural rubber(X1)Fresh water, Sea water,Salt, Strong base,Weak ... Fresh water, Sea water, Salt,Weak base,Weak acid,Natural gas, Oil,Food. High performance resistant, corrosion resistant-20 ... C PTFEFresh water, Sea water, Salt,Weak base,Weak acid,Natural gas, Oil,Food. High performance resistant, corrosion resistant - ...