ALUMINA REFRACTORIES
SPECIFICATION 1569-031-11703779-2003
KF
Alumina products on phosphate bond fall into shaped objects. They are produced according to the customer drawings. They are applied by different industry sectors, where there are used the heat aggregates with temperature 1750°С for protection of furnace from impact of metals, drosses and chemical reagents| Parameter description | Value |
|---|---|
| Group | alumina |
| Refractoriness value | fire resistance (1580 to 1770°С) |
| scope of application | for protection of furnaces with temperature 1750°С from aggressive impact of melted metal, arch laying. |
| Reference document for product properties | Alumina refractories Specification 1569-031-11703779-2003 |
| Reference documents for product dimensions | Refractories of general purpose according to GOST 8691-73 |
| Parameter description | Value |
|---|---|
| Al2O3, % | 95 |
| Compression ultimate strength, N/mm2, not less than | 105 |
| Fe2O3, % | 0,5 |
| Interconnected porosity, %, not more than | 16 |
| Р2О3, % not less than | 2 |
| Form | Article No. | Additional information | Photo |
|---|---|---|---|
| edge double-sided feather-edged brick | No.44 | ||
| straight brick | No.5 | ||
| skew brick | No.68 | also used for laying of arches |
| Form | Article No. | Dimension, mm | Drawing |
|---|---|---|---|
| edge double-sided feather-edged brick | No.44 | ||
| straight brick | No.5 |  | |
| skew brick | No.68 |  |