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Barium sulfate, also known as barite, has the chemical formula BaSO4. It is the only non-toxic barium salt. Barium sulfate is mainly used as a weighting agent in oil and gas drilling mud, and is also an important mineral raw material for extracting metallic barium and preparing various barium compounds. Barium sulfate can be used as raw materials and fillers for rubber, plastics, pigments, coatings, papermaking, textiles, paints, inks, welding rods; as raw materials for barium-based lubricating grease, oil refining, sugar production from sugar beets, and raw materials for artificial silk; and is also used in glass, ceramics, leather, electronics, building materials, metallurgy and other departments.
| Calcium Modified Bentonite Test Item | Standard | Test Results |
|---|---|---|
| Particle Size % | ≥90 | 93.5 |
| Moisture % | ≤12 | 11.6 |
| Swelling Capacity ml/2g | ≥20 | 21 |
| Electrical Conductivity (μm/cm) | ≥450 | 588 |
| FV (8% Concentration)(S) | ≥25 | 27.09 |
| R600 (8% Concentration) | ≥20 | 22 |
| Density (g/cm³) | ≥0.6 | 0.64 |
