|
Chrome oxide green
(chromic oxide)
Quality standard:HG/T 2775-1996
| Item |
|
|
| Best quality |
First quality |
|
|
Cr2O3),
content% |
99.0
|
98.0
|
99.0
|
99.0
|
Water content,% |
0.15
|
0.30
|
0.15
|
0.15
|
| Content of insoluble substance
in water,% |
0.1
|
0.4
|
0.2
|
0.2
|
| PH |
6-8
|
5-8
|
No regulation |
No regulation |
| oil absorption ,g/100g |
1.5-2.5
|
1.5-2.5
|
2.0
|
2.0
|
| Cast |
Satisfactory |
Satisfactory |
No regulation |
No regulation |
| Relative colouring power ,% |
Satisfactory |
Satisfactory |
No regulation |
No regulation |
| Sieve residue ,%,45um |
0.1
|
0.3
|
0.3
|
0.5
|
| |
-
|
-
|
-
|
5ppm
|
|
Item
|
Index
|
|
For use of type I pigment
|
For use of type H abrasive
|
|
Best quality
|
First quality
|
Qualified products
|
Best quality
|
First quality
|
Qualified products
|
| Chromic oxide (Cr2O3),
content% |
99.0
|
98.0
|
97.0
|
99.0
|
98.0
|
97.0
|
| Water content,% |
0.15
|
0.30
|
0.50
|
0.15
|
0.30
|
0.50
|
| Content of insoluble substance
in water,% |
0.1
|
0.4
|
0.7
|
0.2
|
0.4
|
0.7
|
| Aqueous solution ,PH |
6-8
|
5-8
|
Irregular
|
| oil absorption ,g/100g |
15-25
|
20 |
25 |
| Cast |
Satisfactory
|
No regulation
|
| Relative colouring power
,% |
Satisfactory
|
No regulation
|
| Sieve residue ,%,45um |
0.1
|
0.3
|
0.5
|
0.3
|
0.5
|
75um 0.5
|
| Note:Cast standard
and relative colouring power should be negotiated by manufacturers
and customers. |
| Use: |
 Mainly
used in the pigment of paint, glass, pottery and porcelain,
porcelain enamel, cement ,used in polishing metal, producing
pigment,carbuncle ,printing bank paper, also used as catalyzer
of organic synthesis. |
|
