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Chromium oxide Cr2O3

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Technical data

Chromium(III) oxide / Chromium sesquioxide/ Chromia
MF
Cr2O3
GOST
2912-79
CAS No.
1308-38-9
EINECS No.
215-160-9
RTECS No.
GB6475000
Place of Origin
Russian Federation
Grade Standard
Industrial Grade
Purity
99 % min
Appearance
green powder, insoluble in water
Application
paint industry, steel industry, other industries for the polishing process.

Available in three grades:
- Pigment
- Metallurgical

- Abrasive

QUALITY SPECIFICATION

Nr
Item
Pigment
Metallurgical
Abrasive
1
Mass fraction obshego chromium in terms of Cr2O3 % , not less
99
98
98
2
Moisture content,%, not more
 0.15
 0.15
0.15  
3
Mass fraction of substances soluble in water,%, not more
0,2
not the norm.
0,5
4
The aqueous solution
6,8
not the norm.
not the norm.
5
Relative coloring ability,%, not less
95
not the norm.
not the norm.
6
Color
dark green color
dark green color
dark green color
7
Hiding power, g / m2, more
14
0
0
8
Mass fraction of total sulfur (S),%, not more
not the norm
0,02
not the norm
9
Mass fraction of iron in terms of FeO,%, not more
not the norm
0,15
not the norm
10
The mass fraction of carbon,%, not more
not the norm
0,05
not the norm
11
Polishing capacity, mg / cm 2 * min
not the norm.
not the norm.
0.1-0.3

Application

  • Pigment - in the paint industry and the production of building materials as a pigment;
  • Metals - in the steel industry for the production of chromium metal and abrasive materials;
  • Abrasive - in time, instrument, machinery and other industries for the polishing process.

Packing

  • 25 kg polypropylene bags or special soft containers (net weight 1,000 kg);

 

 
 

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