1. Physical and Chemical Property:
Product Name: Barium Sulphate.
Molecular Weight: 233.4
H. S. Code: 2833270000.
CAS No.: 7727-43-7.
EINECS NO.: 231-784-4
Molecular Formula: BaSO4.
Properties: Non qualitative white powder. Non toxic, not soluble in water, soluble in smoking Sulphuric Acid, slightly soluble in boiling Hydrochloric Acid. Chemical property is stable, it'll reduce to Barium Sulfide when heat with carbon. It won't change color when meeting with hydrogen sulfide or toxic gas in the air.
2. Applications:
Barium Sulphate can be used as filler for paint, printing ink, rubber, plastic, insulating tape, surface paint agent for photo paper and copper plate. Sizing agent for textile. It also can be used in pigment, porcelain, storage battery, porcelain enamel, glass and flavor etc
3. Packing Details:
Barium Sulphate is packed in N. W. 25kgs, 50kgs plastic woven bag lined with PE liner or as request. 20-25MT/20'FCL.
4. Storage:
Barium Sulphate shoud be guarded against dampness, tear and pollution, and keep away from coloured goods for storage
| Item |
Specification |
| Standard |
High-class |
First-calss |
Qualified-class |
| Purity (BaSO4) |
98% min |
97% min |
95% min |
| 105°C volatile |
0.3% max |
0.3% max |
0.5% max |
| Solubility |
0.3% max |
0.3% max |
0.5% max |
| Iron (Fe) |
40ppm max |
60ppm max |
- |
| Whiteness |
94.0 min |
92.0 min |
88.0 min |
| Oil absorption (g/100g) |
10-30 |
10-30 |
- |
| PH value (100g/L) |
6.5-9 |
5.5-9.5 |
5.5-9.5 |
| Fineness:(residue on 0.045mm sieve) |
0.2 |
0.2 |
0.5 |
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