Product Main

Specifications

Chromium oxide green; chromium oxide; chromium sesquioxide
Technical Specification: HG/T2775-1996

 

Item
I-Class
II-Class
III-Class
Purity %≥
99
98
97
Moisture %≤
0.15
0.3
0.5
Water Soluble Matter %≤  
0.1
0.4
0.7
Oil Absorption g/100g
15-25
15-25
15-25
Residue on 325 Mesh%≤
0.1
0.3
0.5
Tinting Strength %
100-110
Shade
Meet the Requirements
Molecular Formula: Cr2O3
Molecular Weight: 152.0
Pooperties: Green powder with strong coloring strength and covering strength. Specific gravity: 5.21g/ml. Melting point:2266. Boiling point: 4000. Insoluble in water, sparingly insoluble in acids, comparatively stable in the atmosphere, not react with acid and alkali of average concentration and sulfur dioxide, with excellent pigmental quality and outstanding color fastness.
Applications: Smelting chromium and chromium carbide, enamel, ceramic, glass, leather, putting colour on refractory, catalyst of organic synthesis, manufacture materials and printing banknotes fast special ink, making sun-proof materials, exclusive ink for bank note, metal polishing and grinding materials.  
Package: 25 or 50kgs/ bag