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REFRACTORY AND HIGH-REFRACTORY PRODUCTS FOR LAYING OF HOT BLAST STOVES AND MAINS OF BLAST FURNACES ACCORDING TO
SPECIFICATION OF UKRAINE 23.2-00190503-432:2018
The products are used for hot blast air mains laying.
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 |
|---|---|
| Additional linear shrinkage, %, not more than, at temperature, °С | (1350°C) 0,2 |
| Al2O3, % | ≥37 |
| Compression ultimate strength, N/mm2, not less than | 20 |
| Fire resistance, °С, not less than | 1730 |
| Interconnected porosity, %, not more than | |
| Temperature of deformation under load, °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 | products for laying of hot blast mains, orifices and blast furnace tuyere connections |
| Reference document for product properties | Refractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018 |
| Reference documents for product dimensions | Refractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018 |