All wetted parts like pumping chamber, pump base, discharge tee, nozzle, wing nut, impeller are made of SS316 investment castings or polypropylene.For almost all types of Solvents, Varnishes, Turpentine, Paints, Gasoline, HSD, Petroleum products, Chloroform, Drugs & pharmaceuticals, Degreasing agent, Phenol, IPA, LDO, Water treatment chemicals, Nitric acid, Phosphoric acid, Thermic fluid.