Cement high-aluminous in accordance with GOST 969-91
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Technical characteristics
- Country of manufactureKazakhstan
- TypeAluminous
Description
Scope - preparation of heat resisting concrete.
| Brand | Name and characteristic |
| VGTS II | High-aluminous cement with a mass fraction of Al2O3 not less than 70% |
Chemical composition:
| Brand | Al2O3 | CaO | Fe2O3 | SiO2 | MgO | SO3 | TiO2 |
| VGTS II | ≥70 | ≤28 | ≤1,0 | ≤1,5 | ≤1,0 | ≤2,0 | ≤0,05 |
Physicomechanical indicators:
| Name of an indicator | VGTS II-25 | VGTS II-35 |
| Strength at compression, MPa, not less, aged: | ||
| 1 days | - | - |
| 3 days | 25,0 | 35,0 |
| Grinding subtlety: | ||
| the rest on a sieve with a grid No. 008, % no more; | 10 | 10 |
| specific surface, sq. m/kg, not less; | 300 | 300 |
| Skhvatyvaniye terms: | ||
| the beginning, min., not earlier than | 30 | 30 |
| end, h, not later | 15 | 15 |
| Fire resistance, hail. °C, not less | 1670 | 1670 |
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Cement high-aluminous in accordance with GOST 969-91
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