... granule or powder 3) water treatment chemical 4) rust-preventer,antifreezing liquid 1,2,3-BENZOTRIAZOLECAS NO.95-14-7Molecular ... in water. Uses:It's mainly used as rust-preventer,antifreezing liquid,antioxidant additive(including lubricating oil,hydraulic oil,brake ... 0.03%PH value5-6It's mainly used as rust-preventer,antifreezing liquid,antioxidant additive(including lubricating oil,hydraulic oil, ...