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Barium Sulphate
Molecular Formula: BaSO4
Molecular Weight: 233.39
CAS No.: 7727-43-7
EINECS No.: 231-784-4
H.S.code: 28332700
Purity: 98 min
Appearance: white powder, 800-3000 mesh
Application: It can be used as the raw materials or fillers in oil paint,ink,plastic,rubber and battery ,the Surface smear medicament of the Printing paper and copper board , and sizing agent for textile industry. As clarifying agent,it can play a role of anti-foaming and increase the glossy of glass products. It also can be used as an anti-radiation protective wall materials. In addition,it’s widely used in pottery , enamel, spices and paints, etc. What’s more, it can be used as the raw materials to produce other barium salts.
Package: 25kg per bag,25tons per 20fcl
Specification:
Grade | First grade | Results | |
BaSO4 (dry base) % ≥ | 98.0 | 98.06 | |
Water solubles % ≤ | 0.3 | 0.22 | |
acetic acid content % ≤ | 0.6 | 0.29 | |
S content % ≤ | 0.003 | 0.0015 | |
volatile substance content % ≤ | 0.3 | 0.13 | |
residue on sieve (100°C) % ≤ | 0.2 | 0.012 | |
Particle size | ≤ 10um % | ≥ 80 |
|
≤5um % | ≥ 60 |
| |
≤ 2um % | ≥ 25 |
| |
PH value 100g/L solution | 6.5-9.0 | neutral | |
Oil absorption | 15-30 | 16.28 | |
Whiteness ≥ | 94 | 95.6 | |
Fe (Pb) content % ≤ | 0.004 | 0.001 | |