Company Standard No. 05859678-01-2017
Chromium Oxide Metallurgical is made in the form of dark-green colour powder of crystalline structure (crystals size is ≤ 2 micron). It is insoluble in water, spirit, acetone, and hardly soluble in all alkalis and acids.
Chromium Oxide Metallurgical is used:
- in metallurgical industry for production of Chromium Metal;
- in production of refractories.
Specification:
Chromium Oxide Metallurgical
| Parameter | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
|---|---|---|---|---|
| Total Cr mass fraction in conversion to Cr2O3, %, min | 99,30 | 98,70 | 98,00 | 90,00 |
| Total Fe mass fraction in conversion to FeO, %, max | 0,05 | 0,10 | 0,17 | 0,20 |
| Total Si mass fraction in conversion to SiO₂, %, max | 0,10 | 0,13 | 0,17 | 0,20 |
| Total mass fraction of Carbon (C), %, max | 0,01 | 0,01 | 0,03 | 0,05 |
| Total mass fraction of Sulphur (S), %, max | 0,006 | 0,01 | 0,02 | 0,03 |
| Moisture content, %, max | 0,010 | 0,10 | 0,10 | 0,15 |
Lumps size: ≤ 2 micron
Packing: big bags of 1000 kg net.
Lumps size as well as packing may be provided according to the Customer’s request.