White Fused Mullite

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Description

GNPGraystar’s White Fused Mullite is made of high-purity raw materials in electric arc furnaces. The grain is characteristics by grayish color and high chemical purity. This material has low thermal expansion, outstanding thermal shock resistance, and corrosion resistance

This material data has been provided by GNPGraystar Specialty Materials.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValue

Density

3.16 g/cm³

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Porosity

6.0 %

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Thermal

PropertyValue

Max service temperature

1700.0 °C

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Chemical properties

PropertyValueComment

Aluminium

75.0 - 77.0 %

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Al₂O₃

Calcium

0.05

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max. CaO

Iron

0.1

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max. Fe₂O₃

Silicon

22.5 - 24.5 %

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SiO₂

Sodium

0.1

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max. Na₂O

Titanium

0.02

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max. TiO₂

Technological properties

Property
Application areas

GNPGraystar’s White Fused Mullite is used in the investment casting, for producing refractories for the steel industry for the production of high purity mullite blocks for glass melting furnaces, for kiln furniture, and many other applications.

Crystal structure

Mullite Phase: 93%, α - Al2O3 Phase: 3%, Glassy Phase: 4%

Other

Available sizing: 3-5 mm, 1-3mm, 0.5-1 mm, 0-1 mm, 0-0.5 mm, 0-0.1 mm, 200/F, 325 F

Other sizes are available upon request.