MKS-72
Alumina and high-aluminous refractories according to
GOST 24704-94
Mullite-corundum refractories are predominantly used at construction and repair of open-hearth furnaces, for laying of blast-furnace bottom, for laying of shafts, cones of blast furnaces, open-hearth glass furnace, furnaces for various metals melting.
The products are laid on wooden pallet, laid with cardboard sheets, protected with cardboard angles along the perimeter, wrapped with stretch-film and wrapped with polypropylene strip.
Technical requirements
| Parameter description | Value |
|---|---|
| Additional linear shrinkage, %, not more than, at temperature, °С | 1,0 (1600°C) |
| Al2O3, % | >72 |
| Compression ultimate strength, N/mm2, not less than | 30 |
| Fe2O3, % | ≤1,5 |
| Fusion point, °С, not less than | 1500 |
| Interconnected porosity, %, not more than | 24 |
Specification
| Parameter description | Value |
|---|---|
| Type | aluminosilicate |
| Group | mullite-corundum (Al2O3 72-95%) |
| Refractoriness value | fire resistance (1580 to 1770°С) |
| Porosity degree | average dense (Ptot 20-30%) |
| Heat treatment method | burnt |
| Molding process | semidry forming |
| Binding type 1 | with inorganic binders |
| Binding type 2 | ceramic |
| Intended purpose | repair/construction |
| scope of application | for laying of various heat aggregates |
| Reference document for product properties | Alumina and high-aluminous refractories according to GOST 24704-94 |
| Reference documents for product dimensions | Refractories of general purpose according to DSTU GOST 8691:2009 (ISO 5019-1-84) (with amendments No.1,2,3,4) |