Liaoning Dongyu Natural Barium Sulfate 1250 mesh
Product Details
Product Name: Natural Barium Sulfate
Mesh: 1250
Packing: 25kg/bag
Barite for 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 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 ~ 950.05 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/cm, 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 paint grade, high whiteness, fineness at least 325 mesh
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