Product Name: Natural Barium Sulfate

Mesh: 1250

Packing: 25kg/bag

Barite for the chemical industry is divided into three grades, and the required indexes are: BaSO4, SiO2, Fe2O3, Al2O3, and water-soluble salt content. See Table 5 for details.
Table 5 grade index of barite used in the chemical industry, Grade I 95%

Barite powder used in other departments such as paint, rubber filler, ordinary glass, and lithopone are listed in Table 6.
Table 6 quality requirements, application requirements, and indicators of barite powder for paint, etc. Remarks: BaSO4, %; CaCO3, %; Fe2O3, %; passing particle size, 90 ~ 95%; 0.05%; 98%; 96%.

In international trade, barite can be divided into three grades according to different uses. See Table 7 for details.
Table 7 grades of international trade products
Grade requirements: Drilling grade density ≥ 4.2g/cm³, BaSO4 ≥ 92%, 200 mesh screen allowance less than 3%, 325 mesh screen allowance less than 5%; Chemical grade BaSO4 > 95%, Fe2O3 and SrSO4 content not more than 1%, silicon oxide and calcium oxide only allowed to have trace amounts; Paint grade, high whiteness, fineness at least 325 mesh.