... antirust and corrosion inhibitor for metals Specifications:ItemSpecificationAppearanceWhite Crystal powderAssaymin99.8%Melting Point96-98 minMoisture0.1% maxAsh0.05% maxPH value5 ... and corrosion inhibitor for metals(such as silver, copper, lead, nickel, zinc, etc.), widely used in the antirust oil products, ... system.Market exported: USA, Brazil,Korea, India etc. benzotriazole 99.8% Reach pre-registered