KVKB
Unburnt quartzitic refractories for lining of steel teeming ladles
Specification of Ukraine 26.2-00190503-314:2008 (with amendment No.1)
Products are intended for lining of steel teeming ladles
The products are supplied on wooden pallets interlaid with cardboard, with protected corners, wrapped with stretch film and bundled with plastic strip.
Technical requirements
| Parameter description | Value |
|---|---|
| Apparent specific gravity, g/сm3 | ≥2,14 |
| Compression ultimate strength, N/mm2, not less than | 20 |
| Fire resistance, °С, not less than | 1690 |
| Humidity weight content, % | ≤0,8 |
| Interconnected porosity, %, not more than | 19 |
| Na2O + K2O, % | ≤1,2 |
| SiO2, % | ≥95 |
Specification
| Parameter description | Value |
|---|---|
| Type | siliciferous |
| Group | silica (SiO2 > 93%) |
| Refractoriness value | fire resistance (1580 to 1770°С) |
| Porosity degree | compacted (Ptot 16-20%) |
| Heat treatment method | unburnt |
| Molding process | semidry forming |
| Binding type 1 | with inorganic binders |
| Binding type 2 | ceramic |
| Intended purpose | repair/construction |
| scope of application | for lining of steel teeming ladles |
| Reference document for product properties | Unburnt quartzitic refractories for lining of steel teeming ladles Specification of Ukraine 26.2-00190503-314:2008 (with amendment No.1) |
| Reference documents for product dimensions | Aluminosilicate refractories for lining of steel teeming ladles according to GOST 5341-98 |