Chrome Oxide Green
Formula:Cr2O3
Molecular weight: 151.99 CAS No.: 1308-38-9 Color index: pigment green 17 Melt Point: 2435℃ Boiling point: 3000℃ Specific gravity: 5.21 g/ml.
Character: Green powder with strong coloring strength and covering strength.
Usage: Pigment、paint、glass、building ceramic colorants、printing-ink、chrome plating、chromium metal production、fire-proof materials、etc.
Package: In bags of 25kg net each.
According to different use of chrome oxide green and the different technical production, Our chrome oxide green has already formed the series product grade.
Chrome oxide green pigment grade
|
Items |
Pigment Grade |
|
GN |
GM |
GX |
|
Cr2O3 ％ |
98.0 |
99.0 |
70.0 |
|
Moisture ％ |
0.30 |
0.2 |
0.50 |
|
Water soluble matter％ |
0.3 |
0.3 |
0.8 |
|
PH Value％ |
6-8 |
5-8 |
|
|
Oil absorption |
15-20 g/100g |
15-25g/100g |
18-25g/100g |
|
Hexavanlent Chrome |
5-10ppm |
5-8ppm |
10ppm |
|
Tint |
△E≤0.60 |
|
Coloring Strength |
As Standard |
|
Residue(45μm)％ |
0.1 |
0.1 |
0.1 |
Chrome oxide green abrasive grade
|
Items |
Abrasive Grade |
|
Cr2O3 ％ |
99.0 |
|
Moisture ％ |
0.20 |
|
Water soluble matter％ |
0.2 |
|
L.O.I 750 0℃ ％ |
0.2 |
|
PH Value％ |
6-8 |
|
Residue(25μm)％ |
0.1 |
Chrome oxide green ceramics grade
|
Items |
Ceramics Grade A |
Ceramics Grade B |
|
Cr2O3 ％ |
99.0 |
99.0 |
|
Moisture ％ |
0.20 |
0.1 |
|
Water soluble matter％ |
0.2 |
0.2 |
|
To Calcine Temperature |
900℃ |
1200℃ |
|
Residue(45μm)％ |
0.2 |
0.2 |
Chrome oxide green low hexavanlent chrome grade
|
Items |
Low Hexavanlent Chrome Grade |
|
Cr2O3 ％ |
99.0 |
|
Moisture ％ |
0.20 |
|
Water soluble matter％ |
0.2 |
|
Hexavanlent Chrome |
0-10ppm |
|
Oil absorption |
15-20 g/100g |
|
PH Value |
6-8 |
|
Residue(45μm)％ |
0.2 |
Chrome oxide green metallurgical grade
|
Items |
Metallurgical Grade |
|
Cr2O3 ％ |
99.0 |
|
L.O.I 750 ℃ ％ |
0.20 |
|
Fe2O3 ％ |
0.03 |
|
SO4 ％ |
0.40 |
|
C ％ |
0.03 |
|
SiO2 ％ |
0.03 |
|
Mn ％ |
0.01 |
|
Ni％ |
0.01 |
|
P ％ |
0.0005 |
|
Co ％ |
0.01 |
|
Moisture ％ |
0.20 |
|
Water soluble matter％ |
0.2 |
|
CrO3 |
0.00 |
Chrome oxide green refractory grade
|
Items |
Refractory Grade A |
Refractory Grade B |
|
Cr2O3 ％ |
99.0 |
95.0 |
|
Moisture ％ |
0.20 |
0.2 |
|
Water soluble matter％ |
0.2 |
0.3 |
|
Residue(45μm)％ |
0.2 |
0.5 |
|
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