| CAS No.: | 1308-38-9 |
|---|---|
| Formula: | Cr2o3 |
| EINECS: | 215-160-9 |
| Colour: | Green |
| Appearance: | Powder |
| Usage: | Paint, Ceramic, Cosmetic, Plastic, Leather, Ink, Paper, Textile |
| Samples: |
|---|
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| Product name: | Chrome oxide green | Chrome oxide green | Chrome oxide green |
| Shade | Similar to standard | Yellow shade | Similar to standard |
| Cr2O3(purity) | 99% min | 99% min | 99%min |
| Tint strength | 95-105% | 95-105% | 95-105% |
| Covering strength(g/m2) | 20 max | 15 max | _ |
| Density(g/cm3) | 4.9-5.2 | 4.9-5.2 | 4.9-5.2 |
| Oil absorption | 25% max | 15-25% max | 25% max |
| Water soluble salt | 0.5% max | 0.1% max | 0.5% max |
| Moisture | 0.5%max | 0.2% max | 0.5% max |
| Average particle size | 1.5-2.5um | 1.0-1.5um | 1.5-2.5um |
| Residue(325mesh) | 0.5%max | 0.2% max | _ |
| Sio2 | -- | -- | 0.2% max |
| Fe | -- | -- | 0.2% max |
| LOI | -- | -- | 0.6% max |
| Cr+ content | -- | -- | 10ppm max |
| Application | Ceramic, paint, plastic | Paints, plastic | Ceramic ,refractory production |
How is the product manufactured?
Calcium-free oxidative roasting process is the technological used to produce chromic salts for environmental protection. basicaly there are 2 methods for the production of chrome oxide green. One is Reduction by ammonium chloride reduction of sodium bichromate, thermal decomposition method. Both get high purity chrome oxide green but with different color shade.
How many types of chromium oxide can be produced?
We can provide chromium oxide for different applications
1. Pigment grade chrome oxide green
2. Refractory grade chrome oxide green
3. Metallurgic grade chrome oxide green
4. Polishing grade chrome oxide green
How is the hexavalent chromium Cr6+ level in product?
Normally Cr6+ content in chrome oxide green is less than 150ppm.
It can also be control the zero level according to customer requirement.
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