Chromium Oxide
Chromium Oxide (Cr₂O₃) – High-Performance Green Pigment for Coatings, Ceramics & Refractories
- Overview
- Recommended Products
- Chemical Formula: Cr2O3
- Appearance: Hexagonal crystal system or amorphous olive green powder
- Standard: HG/T 2775-2010
- Features: Melting point 2266±25℃,boiling point 4000℃, with a metallic luster and magnetic. Insoluble in water and acid soluble in hot alkali metal bromate solution, light, atmosphere, high temperature and corrosive gases(SO2、H2S,etc.) is extremely stable.
- Applications: Used for metallurgy, paint, refractory and ceramic industries.
- Packaging: 25kg bags, supporting ton bags.
Product Name: Chromium Oxide
Product Details:
Product parameters
ITEM | INDEX | |||||||
Type Ⅰ | Type Ⅱ | |||||||
Superior Grade | First Grade | Qualified Grade | Superior Grade | First Grade | Qualified Grade | |||
Chromium trioxide (in Cr2O₃) ɯ/% | ≥ | 99.0 | 99.0 | 98.0 | 99.0 | 99.0 | 98.0 | |
Water-soluble chromium (in Cr) ɯ/% | ≤ | 0.005 | 0.03 | 0.03 | 0.005 | 0.03 | 0.03 | |
Moisture ɯ/% | ≤ | 0.15 | 0.15 | 0.3 | 0.15 | 0.15 | 0.3 | |
Aqueous solution ɯ/% | ≤ | 0.1 | 0.3 | 0.4 | 0.2 | 0.3 | 0.5 | |
PH value (100g/L suspension) | 6~8 | 5~8 | 5~8 | / | ||||
Oil absorption ɯ/(g/100g) | 15~25 | ≤20 | ≤25 | |||||
Screen residue | (0.045mm test screen) ɯ/% | ≤ | 0.1 | 0.2 | 0.3 | 0.2 | 0.2 | / |
(0.075mm test screen) ɯ/% | ≤ | / | 0.5 |