|
Cr2O3
|
99% min.
|
|
Tinting strength
|
95%~105%
|
|
Oil absorption
|
15~25
|
|
Fineness(residue through 325mesh)
|
0.3%max.
|
|
Water soluble matter
|
0.3%max.
|
|
Moisture
|
0.3%max.
|
|
Cr2O3 content:
|
98.5% min.
|
|
Particle shape:
|
spherical
|
|
Leachable Chrome VI EPA 1311:
|
5ppm max.
|
|
Soluble salt:
|
0.5% max.
|
|
PH value:
|
5- 7
|
|
LOI at 1000 centigrade degree:
|
0.50% max.
|
|
BET surface area:
|
5.0 g/m2 min.
|
|
Specific Gravity:
|
5.10 g/ccm.
|
|
Bulk density:
|
1.0-1.3g/ml.
|
|
Oil absorption:
|
20 g/100g max.
|
|
Al2O3:
|
0.15% max.
|
|
Fe2O3:
|
0.2% max.
|
|
MgO:
|
0.1% max.
|
|
325mesh residue:
|
0.10% max.
|
|
Mean Particle Size:
|
0.6 micron.
|
|
Moisture:
|
0.5% max.
|
|
Full shade:
|
Delta-L: -0.5----0.5
Delta-a: -0.6----0.6
Delta-b: -0.6----0.6
Delta-Eab: -1.0----1.0
|
|
Reduction with TiO2 Dupont 902(1:5)
|
Delta-a: -0.6----0.6
Delta-b: -0.6----0.6
Delta-Eab: -1.0----1.0
|
|
Relative tinting strength:
|
95%--105%
|
