Barite powder: in white powder Content: BaSO4+ SrSO4: 94~96% Whiteness: 85%-95% Mositure: Max 1% Size: 325um, 400um, 500um, 800um, 1250um, 2500um, 3000um, 6250um It`s mainly used: 1) as additive in Chemical industry, paint, rubber and PVC, etc. 2) as material in powder coating; 3) as lubricant in petroleum Package: in bulk