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LEBEDINSKY GOK
MIKHAILOVSKY GOK
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ÎEÌK
URAL STEEL
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URAL STEEL | 004_BY-PRODUCTS
REFRACTORY CLAY OF KUMAK CLAY DEPOSIT AS PER TU 14–104–193–2001
| Designation of value | Rate for grade | |||
| ÊÓ1 | ÊÓ2 | ÊÓ3 | ÊÓ4 | |
| Burnt substance portion by mass, %: | ||||
| Al2O3, no more than | 32 | 28 | 25 | 10 |
| Fe2O3 , no more than | 2,5 | 3,5 | 6,5 | 7,0 |
| Refractoriness, îÑ, not below | 1690 | 1670 | - | - |
