... QualityFirst QualityQualifiedContent of Barium Sulfate(Calculated by Dry Basis),% ≥ 98.598.098.098.0105°C Volatile, % ≤0.100.20.20 ... .25Content of water soluble,% ≤0.150.20.250.3Content of Iron(Fe),% ≤0.0010. ... powder coat industry, and the barium sulfate embodied characteristics such as narrow distribution of particle diameter, thin painting membrane, even surface, and good ...