Synonyms: chromium sesquioxide, chromium hemitrioxide
Moh's hardness: 8.5-9, slightly softer than corundum and diamond; harder than quartz, topaz, zircon.
Refractive index: 2.5
Specific heat capacity (20℃): 0.17J/(g·K)
Insoluble in water, acid and organic solvent, a little soluble in strong caustic, hot sodium bromate and boiling sulfur phosphorus mixed acid
Stable to light, air and corrosive gas (H2S,SO2 etc.)
Melting point: 2265℃
Boiling point: 3000℃
Application:
Metallurgy, pigment, polishing, refractory and melt spray paint, etc.
Chemical and physical property:
Item | Unit | Guaranteed Value |
Cr2O3 | % | ≧99.0 |
Water Soluble | % | ≦0.4 |
Moisture | % | ≦0.2 |
Water Soluble Chromium | % | ≦0.03 |
Granularity (Mess Size:45mm) | % | ≦0.5 |
Packing:
Paper-plastic compound bag (25kg), then put into another (1000kg).
Attention:
Store in dry warehouse
