Russian manufacturer of ferrochrome slags
Ferrochrome slags
applied in
construction industry for production of lime-sand brick,
cementitious additives, preparation of mortar mixes and
concretes, in foundry engineering for production of self-curing
mixtures, in glass industry as colorant, for paint-and-lacquer
materials production and in other branches of industry.
Slags are subdivided into separate slag (SFH), separate slag for glass industry (SFHS) and not separate slag (NFH).
1. Technical Specifications
1.1 Slag must be produced in accordance with the present Technical Specifications requirements, corresponding to duly approved technological regulations.
1.2 Slag must correspond to standards in the Table 1:
|
Table 1 (in per cents) Characteristics |
Slag grade |
|||||
|
|
СФШ |
СФШС НФШ |
||||
|
Calcium oxide weight ratio, not less |
46 |
46 |
46 |
|||
|
Magnesium oxide weight ratio |
7-16 |
- |
- |
|||
|
Silicon oxide weight ratio |
24-32 |
- |
- |
|||
|
Aluminum oxide weight ratio |
4-8 |
- |
- |
|||
|
Chromium oxide weight ratio |
3-6 |
3-6 |
- |
|||
|
Mass fraction of moisture |
1,5 |
1,5 |
- |
|||
|
Grain-size composition: Remains on sieve with mesh 05 in accordance to GOST 6613 of batch weight, not more |
3 |
3 |
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Note: - After the Parties agreement, it is allowed to produce slag with calcium oxide weight ratio not less than 44%, chromium oxide weight ratio not less 8%.