performance | unit | specifications | ||||
shape | ball | article | ||||
diameter | mm | 1.7-2.5 | 3.0-5.0 | 1.5-1.7 | 3.0-3.3 | |
Size pass rate | % | ≥96 | ≥96 | ≥98 | ≥98 | |
Bulk density | g/ml | ≥0.60 | ≥0.60 | ≥0.60 | ≥0.60 | |
Wear rate | % | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.25 | |
Compressive strength | N | ≥35/p | ≥60/p | ≥20/cm | ≥20/cm | |
Static water adsorption | % | ≥20 | ≥20 | ≥20 | ≥20 | |
Packing water content | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |