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Refractory products for boiler furnaces of marine vessels
Technical characteristics
|
Norm for mark |
---|---|
|
SHST |
GOST 10352-80 with a change 1 |
|
Mass fraction, %: Al2O3, no less |
37 |
Compressive resistance, N/mm2 ,no less: - for products of normal size - for molded products weighing no more than 20 kg |
20 15 |
Open porosity, %, no more: - for products of normal size - for shaped products weighing no more than 20 kg |
24 26 |
Additional linear shrinkage,%, no more at the temperature 1400 ° C, at exposures of 2 hours |
0,4 |
Refractory property, °C, no low than |
1730 |
Thermal resistance, thermal cycling (1300°C - water), not less |
10 |
Apparent density, g/cm3, within |
1,9-2,0 |