Certificate of Analysis Executive Standard :HG/T2775-96
Product: Chrome Oxide Green (ceramic grade)
Synonyms: Chromium (III) Oxide; Chromic Oxide
Chemical Formular: Cr2O3
CAS NO: 1308-38-9
Molecular Weight: 151.99
Particle Shape:Spheroidal
Appearance:Green Power
Chemical characteristics:
Strong coloring strength and covering strength ,good dispersion
insoluble in water and organic solvents.Chemicallly inert,only reacts with strong or oxidising acids and alkalis at elevated temperatures.
|
Item |
Standard |
A-Series |
B-Series |
|
Color Index: |
Bright Green |
Dark Green |
1 |
CR2O3 |
≥99.00 |
≥99.00 |
2 |
Moisture |
≤0.15 |
≤0.15 |
3 |
Water-soluble salt |
≤0.15 |
≤0.15 |
4 |
Tinting strength |
100±5 |
100±5 |
5 |
Hiding power |
15 |
15 |
6 |
Residue
on sieve 45 µm |
≤0.15 |
≤0.20 |
7 |
Oil absorption |
15-25 |
15-25 |
8 |
Ph value |
6-8 |
6-8 |
Applications:used in pigment ling. Plastic pigment,ceramic-glaze making,
glass pigment,building, colorants and print ink.
Package:in plastic woven or complex packing,25kgs/bag.
or according to customers.
Storage :the product should be stored in a dry palce. |