Bricks for household furnace laying
Bricks for household furnace laying
Technical characteristics
| Rate for grade | |
|---|---|
| KP | |
| Spec. 14-194-235-99 rev.1-3 | |
|
Mass fraction, %: Al2O3, minimum |
|
| Compressive strength, N/mm2, minimum | 10 |
| Open porosity, %, maximum | 30 |
| Refractoriness, °C, minimum | 1580 |
Form and dimensions (GOST 8691-73 with amendments 1-4)
| Number of brick | Dimensions, mm | ||
|---|---|---|---|
| a | b | c | |
| 5 | 230 | 114 | 65 |
| 8 | 250 | 124 | 65 |

| Number of brick | Limit deviations, mm, maximum |
|---|---|
| a | ±5 |
| b | ±4 |
| c | ±3 |




