APZ-99 is used in solvent based paint and also in water based paints. Main anticorrosive group: P3O105- Properties: nonvolatile white powder with very fine crystal, insoluble in water,density 2.6-3.0g/cm3,nontoxic,nonirriant on skin, thermal stable.Character: Excellent anticorrosion, low consumption, low cost, wide adaptability. Aluminium Tripolyphosphate