Strontium Sulfate SrSO4 Mainly use in manufacturing fireworks, ceramics, ... in water, does not dissolve in alcohol and dilute sulfate. Relative molecular mass: 183.68 Applications and Usages: ... making. Specification:ItemsHigh-purityContent (SrSO4),% ≥99.0Barium sulfate (BaSO4),% ≤0.1Calcium sulfate(CaSO4),% ≤0.08Calcium oxide(CaO),% ≤0.05Iron ... Jiguanshi, Nan'an dist., Chongqing, China Strontium Sulfate