Product Description
Chromium Oxide Green is a fine green powder with a distinctive metallic luster. It features a hexagonal crystal structure or may exist in an amorphous form. With exceptional chemical stability and high purity, it is widely used in refractory materials, ceramics, coatings, and pigments.
Our high-purity chromium oxide green (≥99.30%) is engineered for demanding applications requiring superior performance, excellent covering power, and resistance to chemical attack in extreme environments.
Key Properties: Extreme chemical stability under light, air exposure, high temperatures, and corrosive gases. Excellent covering power, magnetic properties, and resistance to thermal and chemical degradation make it ideal for advanced refractory and coating applications.
Chemical Identification
Chemical Name: Chromium(III) Oxide
Chemical Formula: Cr₂O₃
CAS Number: 1308-38-9
Purity: ≥99.30%
Physical Properties
- Appearance: Green powder with metallic sheen
- Melting Point: 2730-2750 °C (exceptional thermal stability)
Chemical Stability & Solubility
- Insoluble in water and acids - excellent chemical resistance
- Soluble in hot alkali metal carbonate solutions
- Extremely stable under light and air exposure
- Highly resistant to high temperatures and thermal shock
- Resistant to corrosive gases and chemical attack
- Maintains properties in aggressive environments
Main Applications
- Raw material for advanced refractories and monolithic linings
- Pigments in paints, enamels, and specialty coatings
- Abrasives and high-performance polishing compounds
- Catalyst support and catalytic applications
- Corrosion-resistant coatings for metal protection
- Ceramic glazes and decorative applications
- Industrial colorant in multiple industries
Technical Specifications
Chemical Analysis
| Property | Specification | Unit |
|---|---|---|
| Cr₂O₃ (Chromium Oxide) | ≥99.30 | % |
| Fe₂O₃ (Iron Oxide) | ≤0.10 | % |
| SiO₂ (Silicon Dioxide) | ≤0.10 | % |
Key Physical Properties
Melting Point
2730-2750 °C
Purity
≥99.30%
Color
Green with metallic sheen
📦 Packaging
25 kg bags × 40 bags in 1 large bag (1,000 kg total per unit). Customized packaging available upon request.