|
Item
|
Unit
|
Target
|
||
|
Diameter
|
mm
|
0.5-0.9
|
1.0-1.5
|
1.5-2.0
|
|
Bulk density
|
g/ml
|
≥0.68
|
≥0.68
|
≥0.68
|
|
Size ratio up to grade
|
％
|
≥98.0
|
≥98.0
|
≥98.0
|
|
Water adsorption capacity(effective)
|
％(RH60％,25℃)
|
≥20.0(19)
|
≥20.0(19)
|
≥20.0(19)
|
|
％(RH10％,25℃)
|
≥17.5(16)
|
≥17.5(16)
|
≥17.5(16)
|
|
|
Delta T value
|
℃(10g MS-3A/10ml H2O)
|
≥38
|
≥35
|
≥35
|
|
℃(25gMS-3A/25ml H2O)
|
≥50
|
≥45
|
≥45
|
|
|
Nitrogen adsorption
|
ml/g
|
≤1.0
|
≤1.0
|
≤1.0
|
|
Dew point
|
℃
|
≤-60
|
≤-60
|
≤-60
|
|
Dust drops
|
unit
|
≤15
|
≤12
|
≤12
|
|
Ignition loss
|
％(950℃)
|
≤2
|
≤2
|
≤2
|
