... superior, high whiteness,narrow and uniform particle distribution, good dispersion , superfine, super clean and so on. ApplicationCan ... absorb the X-ray, γ-rays, and give high density and surfacefinish degree, ... plates, ceramics, glass, electronics, cosmetics,pharmaceuticals, food and ect. 2. SpecificationNo.itemunitindexGrade AGrade A1BaSO4 assay%≥98≥ ...