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 |