Barium Hydroxide Monohydrate. white crystal Barium Hydroxide MonohydrateSPECS:PURITY: 99%min.BARIUM CARBONATE : 0.5%max.FE: 0.0015%max.CHLORIDE: 0.05%max.HCL INSOLUBLE: 0.05%max.Usage: It is mainly used as superfinished multi-purpose additive for the lubricant of internal-combustion engine and for barium-based grease and oil. It can also be used for beet sugar, medicine, plastic, rayon, ...