Ladle Refractory Castable

Ladle Refractory Castable is made of bauxites, corundum and magnesia as raw materials, prepared by micro-powder technology and additive.

Features:

• Good thermal shock resistance.
• Excellent corrosion resistance.
• Good volume stability.

Application:

• Steel furnaces.
• Iron making furnaces.
• Glass kiln.
• Ceramic tunnel kiln.
• Cement kiln.

Ladle Castable		Spinel	Al and Mg	Mg mass
Al2O3, % ≥	-	88	72	32
MgO, % ≥	-	7	11	60
SiO2, % ≥	-	-	9.5	-
Bulk Density, g/cm3 ≥	110℃×24h	3.1	2.9	2.9
	1550℃×3h	2.95	2.8	2.8
Linear change, %	110℃×24h	0-0.2	0-0.2	0-0.2
	1550℃×3h	0-0.8	0.5-1.5	0.5-1.2
Modulus of Rupture, MPa ≥	110℃×24h	7	9	6
	1550℃×3h	8	9	8
Cold Crushing Strength, MPa ≥	110℃×24h	30	60	45
	1550℃×3h	70	60	40
Amount of water, %	-	5.0-6.0	5.0-6.0	5.0-6.0