Fused Zirconia Mullite

Fused Zirconia Mullite

Fused Zirconia Mullite


Fused Zirconia Mullite is made by the fusion of high-quality zirconia sand and industry alumina powder in the electric arc furnace. Adding zirconium can improve the chemical resistance, heat shock resistance and reduce the expansion coefficient of mullite.

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Product detail

Fused Zirconia Mullite

Main Composition:SiO2 + Al2O3+ZrO2

Application:New type steel casting

Capacity:3000 tons per month

Raw Material:Zirconia sand

Package:Export ton bag

Product Introduction

Fused Zirconia Mullite is made by the fusion of high-quality zirconia sand and industry alumina powder in the electric arc furnace. Adding zirconium can improve the chemical resistance, heat shock resistance and reduce the expansion coefficient of mullite.

Features

1.Good chemical resistance.

2.Good thermal shock resistance.

3.Low expansion coefficient.

Application

Zirconium mullite is mainly used for new-type steel casting slides, sizing nozzles and shrouds of continuous casting ladle, and key parts of glass furnaces.

Product Parameters

Type Guaranteed Value Typical Value
Al2O3 44-48% 45.8%
ZrO2 35-39% 36.5%
SiO2 15.5-19.5% 17.1%
Fe2O3 0.2%max 0.14%
Mullite Phase 60-65%
Baddeleyite Phase 30-33%
Corundum Phase 5%max
Glass Phase 5%max
Bulk Density 3.6g/cm3 min
Apparent Porosity 3%max
Sizes 0-50/8-5/5-3/3-1/1-0mm
Fines -100/-200/-325mesh
Test standard GB/T21114-2007, GB/T2999-2002

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