CRR-2
Zirconia high refractories
Specification of Ukraine 26.2-00191738-004:2006 (with amendments No.1,2)
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 |
|---|---|
| Al2O3, % | ≤ 1,0 |
| Apparent specific gravity, g/сm3 | 4,0 |
| Fire resistance, °С, not less than | 1800 |
| Interconnected porosity, %, not more than | 15 |
| SiO2, % | ≤ 15 |
| ZrO2 + HfO2, % | ≥ 80 |
Specification
| Parameter description | Value |
|---|---|
| Type | zirconium |
| Group | oxide zirconium |
| Refractoriness value | high fire resistance (1770 to 2000°С) |
| Porosity degree | dense (Ptot 10-16%) |
| Heat treatment method | burnt |
| Molding process | semidry forming |
| Binding type 1 | with inorganic binders |
| Binding type 2 | ceramic |
| Intended purpose | repair/construction |
| Reference document for product properties | Zirconia high refractories Specification of Ukraine 26.2-00191738-004:2006 (with amendments No.1,2) |