Refractory good erosion resistance good thermal shock resistance ISO9001:2000 certificate high strength,long service

    The  physical and chemical properties of the refractory castable is as followed.

		DGCD-65	DGCD-50	DGCD-45
Chemical composition ≥	AL2O3	65	50	45
	SiC	12	10	8
Bulk density ≥	110°C*24h	2.8	2.3	2
	1450°C*24h	2.7	2.2	1.9
CCS	110°C*24h	12	10	10
	1450°C*24h	10	10	10
MOR	110°C*24h	2.5	2.5	2
	1450°C*24h	2	2	1.5
Permanentliner change%1450°C*24h		±1.0	±1.0	±1.0

AL2O3-SiC-C refractory for trough of blast furnace