1. White granule or powder, 2. Purity: 99.5%min. 3. very fine corrosion mitigation effect TOLYLTRIAZOLEChemical Name:tolytriazole ... as antitrust and corrosion inhibitor for metals (such as silver, copper, zinc, lead, nickel, etc..), and for antitrust oil (tallow) ... products, the gas phase corrosion inhibitor of copper and aldary, lubricant additive, cycle water treating compound and auto ...