| Model NO.: | Refractory |
|---|
| Customization: | Available Customized Request |
|---|
Y-FB GFB40 GFB42 GFB45 Al2O3(%)min. 40 40 42 45 Fe2O3(%)max. 2.5 Refractoriness()min. 1710 1730 1750 1750 Refractoriness under load 0.2MPa()min. 1300 1350 1400 1400 Apparent porosity(%)max. 22 20 20 20 Cold crushing strength (MPa)min. 30 30 35 40 Linear change after reheating(%)max. At 1350×2h +0.1 -0.4 At 1400×3h +0.1 +0.1 +0.2 -0.5 -0.4 -0.2
