Chrome Oxide Green

Molecular formula: Cr2O3.
Molecular weight: 151.99
CAS No.: 1308-38-9
Color index: pigment green 17
Melt Point: 2435
Boiling point: 4000
Specific gravity: 5.21 g/ml
Physical state: green crystal powder
Synonyms: chromic oxide; chrome oxide green; chromium (iii) oxide;
 
Application: In smelting of metal chrome, as pigment in ceramic and enamel, coating and painting, refractory industry, abrasive agent.
 
Chrome Oxide Green standard grade
Chrome Oxide Green paint grade,
Chrome Oxide Green low hexavanlent chrome grade
Chrome Oxide Green abrasive grade
Chrome Oxide Green metallurgical grade
Chrome Oxide for plasma spray
 
Chrome Oxide Green standard grade spec:

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.

 
Chrome Oxide Green paint grade, spec:
 

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%