Physicochemical parameters |
Index name |
Φ2 ~ 2.5 |
Φ2.5 ~ 3.5 |
Abrasion rate,% |
≤ 0.25 |
≤ 0.20 |
Bulk density,g/ml |
≥ 0.55 |
≥ 0.60 |
Static water absorption , % |
≥ 20.0 |
≥ 20.0 |
Static normal hexane absorption, % |
≥ 12.0 |
≥ 12.0 |
Specific surface area,m2/g |
≥ 120 |
≥ 150 |
Compressive strength point contact strength,N/ grain |
≥30 |
≥30 |
Variation coefficient of resistance to crushing |
≤ 0.3 |
≤ 0.3 |
Granularity, % |
≥ 96.0 |
≥ 96.0 |
Water content of packed product,% |
≤ 1.5 |
≤ 1.5 |
Platinum content% |
0.1~1.0±0.02 |
CAS No. |
7440-06-4 |
|
