Products fire-resistant periklazovy P-91 P-89 P-90
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Technical characteristics
- Country of manufactureUzbekistan
Description
Are applied to a laying podin, slopes and walls of martin and electrosteel-smelting furnaces, to lining podin and walls of ferroalloy furnaces, and also to a laying of walls and nozzles of regenerators of steklovarenny furnaces.
TECHNICAL CHARACTERISTICS
| Name of indicators | P-91 | P-90 | P-89 | |
|
Mass fraction, %: MgO, not less CaO, not less Al2O3, not less Fe2O3, no more |
91 3 3 2.5 |
90 4 3 2.5 |
89 4.5 3 2.5 |
|
| Porosity is open, %, no more: | 22 | 23 | 26 | |
| Strength at compression, N/mm2, not less: | 60 | 50 | 40 | |
| Temperature began softenings, °C, not below | 1550 | 1550 | 1550 | |
| TU, GOST/GOST, TU | GOST 4689-94 | |||
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Products fire-resistant periklazovy P-91 P-89 P-90
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