castable
Items/Index |
Portland cement
refractory castable |
Slag cement refractory
castable |
Bulk density
(110℃±5℃×24h) |
Kg/m3 |
1900~2100 |
1900~2100 |
Drying compressive
strength |
MPa |
≥20 |
15 |
Drying strength |
MPa |
≥4 |
4 |
|
% |
30~35 |
25~30 |
Thermal shock
stability |
次 |
15 |
10 |
After the burning, the
line changes, the
temperature is kept for
3 hours, and the test
temperature is not more than 1%. |
℃ |
1000 |
900 |
Refactory |
℃ |
1610 |
1580 |
Al2O3 |
% |
30~40 |
30~40 |
Refractory aggregate
maximum particle size |
mm |
- |
- |
castable Items/Index Portland cement refractory castable Slag cement refractory castable Bulk density (110℃5℃24h) Kg/m3 1900~2100 1900~2100 Drying compressive strength MPa 20 15 Drying strength MPa 4 4 % 30~35 25~30 Thermal shock stabil