Brand |
SAGJ-1 |
SAGJ-2 |
SAGJ-3 |
SAGJ-4 |
Cold Crushing Strength, Mpa ≥ |
100 |
90 |
80 |
100 |
Bulk Density,g/cm3? ≥ |
3.1~3.3 |
3.0~3.2 |
3.0~3.1 |
3.8~4.2 |
Apparent Porosity,% ≤ |
17 |
17 |
18 |
13 |
Fire Resistance °C ≥ |
1900 |
1800 |
1790 |
1850 |
Reheat Linear Change(1500 °C×3h) |
-0.2 |
-0.2 |
-0.3 |
+0.2 |
Refractoriness under load °C ?≥ |
1700 |
1700 |
1680 |
1700 |
Thermal Expansion Coefficient |
8.6 |
8.3 |
7.6 |
6.8 |
Thermal conductivity, W/m·k ≤ |
2 |
3 |
2 |
4 |
1250°C Modulus of Rupture Mpa ≥ |
9.5 |
8.7 |
9.1 |
8.9 |