High Alumina and High Strength Refractory Castable High strength,dense, Al2O3 more than 75,etc.

High alumina and high strength pouring materials produced by our company are widely used in various positions of preheaters and cooler, and its service behavior has won affirmation of the majority of the users.

Physical and Chemical Indexes of High Alumina and High Strength Pouring Material

Item		High Alumina and High Strength Pouring Material
AL2O3(%)                                    ≥		75
Max. Use Temperature (°C)		1600
Volume Density (g/cm3)	110°C×24h           ≥	2.60
Compressive Strength, (MPa)	110°C×24h           ≥	60
	1100°C×3h           ≥	80
Rupture Strength (MPa)	110°C×24h           ≥	8
	1100°C×3h           ≥	12
Linear Variation (%)	1100°C×3h           ≤	±0.3

High Alumina and High Strength Refractory Castable