Corrosion-resistant plastic pumps and mixers Production of non-metallic pumps and mixers for industrial applications. Savino Barbera chemical pumps and industrial mixers are made from corrosion-resistant thermoplastics: PP, PVC, PVDF, PE-HD. No metal parts in contact with corrosive liquids. Chemical pumps especially suited for industrial and chemical plants. Ideal for pumping corrosive acids, chemical products, aggressive liquids and other difficult media such as: hydrochloric acid, sulfuric acid, chromic acid, phosphoric acid, caustic soda (sodium hydroxide), nitric acid, ecc...