KDBS-85
Refractories for steel teeming ladle slide gates
Specification of Ukraine 26.2-00190503-350:2011
Alumina with additions, unburnt nozzles and nozzles-collectors
The products are delivered on wooden pallets, laid with cardboard, protected with angles, wrapped with stretch-film and bundled with polypropylene or polyester strip.
Technical requirements
| Parameter description | Value |
|---|---|
| Al2O3, % | ≥85 |
| Compression ultimate strength, N/mm2, not less than | 25 |
| Density, g/сm3 | ≥2,7 |
| Humidity weight content, % | ≤0,5 |
| Interconnected porosity, %, not more than | 21 |
Specification
| Parameter description | Value |
|---|---|
| Type | aluminous |
| Group | alumina |
| Refractoriness value | fire resistance (1580 to 1770°С) |
| Porosity degree | average dense (Ptot 20-30%) |
| Heat treatment method | unburnt |
| Molding process | vibrocasted, including concrete |
| Binding type 1 | with inorganic binders |
| Binding type 2 | hydraulic |
| Intended purpose | technology |
| scope of application | for steel teeming ladle slide gates |
| Reference document for product properties | Refractories for steel teeming ladle slide gates Specification of Ukraine 26.2-00190503-350:2011 |