Refractory Cement:
1.Al2O3 80%
2.High Bulk Density
3.High cold crushing strength
4.Good recistance to wear and corrosion
       In order to increase the life of ladle and reduce production cost ,high strength castable for ladle (bottom repairing material) is produced by our factory.

Items		Unit	index
Al2O3		%	≥80
MgO		%	≥10
modulus of rupture	110°C×24h	MPa	≥6
	1100°C×3h		≥8
	1500°C×3h		≥8
bulk density	110°C×24h	g/cm³	≥2.85
	1100°C×3h		≥2.88
	1500°C×3h		≥2.90
cold crushing strength	110°C×24h	MPa	≥50
	1100°C×3h		≥60
	1500°C×3h		≥80
Linear change after sinter	1500°C×3h	%	±0.3