Refractories for fired boilers of marine vessels
Refractories for Fired Boilers of Marine Vessels
Technical characteristics
| Rate for grade | |
|---|---|
| ShST | |
| GOST 10352-80 rev.1 | |
|
Mass fraction, %: Al2O3, minimum |
38 |
|
Compressive strength, N/mm2, minimum - for straight bricks - for shaped bricks with maximum weight of 20 kg |
20 15 |
|
Open porosity, %, maximum - for straight bricks - for shaped bricks with maximum weight of 20 kg |
24 26 |
| Permanent linear shrinkage when heating at temperature of 1400°С, %, with aging within 2 hours, maximum | 0,4 |
| Refractoriness, °С, minimum | 1730 |
| Thermal shock resistance, heat cycles (1300 °С – water), minimum | 10 |
| Apparent density, g/cm3, withing limits of | 1,9-2,0 |




