Calcined mullite

Our main raw material of Calcined Mullite are manufactured alumina and kaolin. After milled, the raw powder pressed to be body, and then calcined through rotary kiln or tunnel kiln.

OREWORLD^® Calcined Mullite Application
We manufacture OREWORLD® Calcined Mullite which is high quality refractory raw material, with features finely expansion, good Thermal shock resistance, high refractoriness under load, low creep, high strength and chemical cautery resistance.

Brand	Grade	Chemical content				Bulk density / g / cm3	Apparent porosity / %	Refractoriness / ℃
Brand	Grade	Al2O3	TiO2	Fe2O3	Na2O+K2O	Bulk density / g / cm3	Apparent porosity / %	Refractoriness / ℃
M73	A1 quality A2 quality A3 quality	>73~90 >73~90 >73~90	<2.0	<0.6 <0.8 <1.0	<0.2 <0.3 <0.3	≥2.85 ≥2.80 ≥2.75	<3 <5 <10	≥1790
M70	A1 quality A2 quality A3 quality	>70~73 >70~73 >70~73	<2.0	<0.6 <0.8 <1.0	<0.2 <0.3 <0.3	≥2.80 ≥2.75 ≥2.70	<3 <5 <10	≥1790
M65	A1 quality A2 quality A3 quality	65~70 65~70 65~70	<2.0	<0.6 <0.8 <1.0	<0.2 <0.3 <0.3	≥2.75 ≥2.70 ≥2.65	<3 <5 <10	≥1790