Fused Mullite->alumina powders

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Luoyang Derui Import & Export Co.,Ltd.

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Fused Mullite

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Metals and minerals->Hard metal->aluminium dust powder->alumina powders

Product Specification

Model No:	DM70

Country	CN
Brand	DERUI
Materials	Alumina Block
Size	8-5mm，5-3mm,3-1mm,1-0mm
Packing	25kg/bag or 1MT/bag,1.25MT/bag or as required by customer
Minimum Order	24 Metric Ton
Payment Term	T/T,L/C or negotiation

Product Detail

Fused Mullite is manufactured by fusing a mixture of high purity Alumina and pure quartz in a tilting type arc furnace at a temperature around 2000 degrees centigrade.
Controlled cooling of the molten mass ensures a high degree of mullitization characterized by well defined columnar crystals.Fused Mullite is one of the main raw materials used by the refractory industry for applications requiring thermal shock resistance and corrosion resistance.

CHEMICAL PERFORMANCE INDEX:
Al2O3% 70-73
Fe2O3% max: 0.3
TiO2% max: 1.8
CaO% max: 0.2
MgO% max: 0.55
Na2O% max: 0.20
K2O% max: 0.20

PHYSICAL PERFORMANCE INDEX:
B.D. g/cm3 min: 2.90
Apparent Porosity% max: 2.0
Water Absorption % max: 0.8
Refractoriness ℃ min: 1850
Mullite Phases% min: 90

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Sintered Mullite

Dense Corundum


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