Customization: | Available |
---|---|
CAS No.: | 7727-43-7, 7727-43-7 |
Type: | Barium Sulfate |
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Item | Excellent | First grade | Qualified |
pre-cipitated barium sulfate content % ≥ | 98.0 | 97.0 | 95.0 |
Volatile matter(105°C) % ≤ | 0.3 | 0.3 | 0.5 |
Water-insoluble content%≤ | 0.3 | 0.3 | 0.5 |
Fe content %≤ | 0.004 | 0.006 | - |
PH(100g/Lsuspension) | 6.5-9.0 | 5.5-9.0 | 5.5-9.5 |
whiteness | 94 | 92 | 88 |
5um%≥ | 60 | 65 | 70 |
2um%≥ | 25 | 40 | 50 |
Powder size distribution 10um % ≥ | 80 | 85 | 90 |
Fineness (43umresidue on sieve) %≤ | 0.1 | 0.2 | 0.5 |
oil absorption g/100g | 15-30 | 10-3010 |