ShN
REFRACTORIES FOR OPEN-HEARTH FURNACES REGENERATORS CHECKERS
SPECIFICATION OF UKRAINE 26.2-00190503-231-2002
For open-hearth furnaces regenerators checkers
The products are supplied on wooden pallets interlaid with cardboard, with protected corners, wrapped with stretch film and bundled with polypropylene or polyester strip.
Technical requirements
| Parameter description | Value |
|---|---|
| Al2O3, % | ≥38 |
| Compression ultimate strength, N/mm2, not less than | 22 |
| Fire resistance, °С, not less than | 1730 |
| Fusion point, °С, not less than | 1400 |
| Interconnected porosity, %, not more than | 21 |
| Residual variation of dimension, %, not more than, at temperature | 0,4 (1400° С) |
Specification
| Parameter description | Value |
|---|---|
| Type | aluminosilicate |
| Group | chamotte (Al2O3 28-45%) |
| 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 open-hearth furnaces regenerators checkers |
| Reference document for product properties | Refractories for open-hearth furnaces regenerators checkers Specification of Ukraine 26.2-00190503-231-2002 |
| Reference documents for product dimensions | according to DSTU 2345-94 (GOST 1598-96), according to DSTU GOST 6024, according to DSTU GOST 8691:2009 (ISO 5019-1-84) (with amendments No.1,2,3,4) |