Refractories
Refractory mullite silica products for anodes firing furnaces are intended to anodes firing furnaces lining which are used in electrolysers for primary aluminum realization
Technical characteristics
Rate for grad | |
---|---|
BorABF | |
Spec. 14-194-315-15 | |
Mass fraction, %: Al2O3, minimum Fe2O3, maximum |
50 1,7 |
Compressive strength, N/mm2, minimum | 50 |
Open porosity, %, maximum | 15 |
Residual variations of sizes, %, maximum at: |
|
Temperature of initial softening, °С, minimum | 1450 |
Thermal shock resistance (1300 °С - water), heat cycles , minimum |
4 |
Limit deviations of brick dimensions (mm)
Dimensions | Limit deviations, maximum for class |
---|---|
up to 100 inc. | ±1,0 |
over 100 to 250 inc. | ±2,0 |
over 250 to 275 inc. |
±2,5 |
over 275 | ±3,0 |
The form and the size of products are made according to customer drawings