Products fire-resistant for units on production of coke
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Description
Technical characteristics
| Name of indicators | SHK-28 | SHK-35 | SHK-37 |
| Mass fraction of Al2O3, not less | 28 | 35 | 37 |
| Mass fraction of Fe2O3, %, no more | -- | -- | 3.5 |
| Fire resistance, °C, not below | 1670 | 1710 | 1730 |
| Porosity is open, %, no more | 22 | 20 | 12-22 |
| Strength at compression, N/mm ², not less, for gas torches | 12-15 | 12-20 | 20-40 |
| The showing density, g/cm3, not less, for products:
- moist formation - plastic formation |
|||
| 2.0 | 2.09 | 2.15 | |
| 1.9 | 2.0 | 2.11 | |
| Additional linear at a temperature of 1350 °C, % no more | 0.6 | 0.4 | 0.4 |
| Thermal firmness of heatchange, not less (for gas torches) | 2 | 2 | 2 |
Are applied to a laying of separate elements of coke, pekokoksovy furnaces and installations of dry suppression of coke.
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Products fire-resistant for units on production of coke