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CHROME OXIDE GREEN
Formula:Cr2O3
Molecular weight: 151.99
CAS No.: 1308-38-9
Color index: pigment green 17
Melting Point: 2435ºC
Boiling point: 3000ºC
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 purposes of chrome oxide green and the different technologies, Our chrome oxide green has already formed the series product grade.
Chrome oxide green pigment gradeItems | 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 | |
Hexavalent Chrome | 5-10ppm | 5-8ppm | 10ppm | |
Tint | E≤0.10 | |||
Coloring Strength | As Standard | |||
Residue(45μm)% | 0 | 0.1 | 0.1 | |
Full Shade |
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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(25m)% | 0.1 |
Chrome oxide green ceramics grade
According to different producing temperature, our chrome oxide green ceramics grade is divided into A and B two grades.| 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(45m)% | 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 |
| Hexavalent Chrome | 0-5ppm |
| Oil absorption | 15-20 g/100g |
| PH Value | 6-8 |
| Residue(45m)% | 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(45m)% | 0.2 | 0.5 |
