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White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory buy in Liaocheng
Buy White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory
White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory

White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory

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Description

Specifications

white fused alumina powder


1 High Al2O3 99.8%min;
2 Low Na2O amount 0.05%max
3.ceramic material
4.filler material

 

WFA 99.5% Al2O3 abrasive white fused alumina powder for steel polishing


 

 

Introduction

White Corundum is based on high-quality aluminum oxide powder as raw material, formed by the crystallization of fused refining, high purity, self-sharpening, good acid and alkali corrosion, high temperature thermal stability performance, it is slightly higher than the brown corundum hardness, toughness is slightly lower, high purity , self-sharpening good grinding ability, heat a small, high efficiency, acid and alkali corrosion, high temperature thermal stability

 

Applications

 

As refractories

White fused alumina is the main starting material to produce high-grade unshaped and shaped refractories and is widely-used in the field of iron-steel industry, cement industry, ceramics, Petrochemical industry, etc. It is the ideal raw material to produce the unshaped refractors such as large ladle castables, medium and high grade BF trough castables, gunning material, pre-cast shapes and is the main raw material to produce alumina products such as corundum bricks, corundum and mullite-corundum sagger, refined porous plug bricks, monolithic lance & composite nozzle, lining material for high-temperature industrial furnaces, etc.

As abrasives

White fused alumina can be used as consolidation & coating abrasives, wet or dry sprayed grit, suitable for the ultra-precise grinding & polishing in the crystal and electronic industry and can be used to produce high-grade refractories. It is suitable to machine high stiffness and high tensile strength materials such as chilled steel, alloyed steel, high-speed steel, high carbon steel, etc. In addition, it can be used as catalyst, insulator, precise foundry sand, etc.

Specifications

Al2O3

99.60 min

Fe2O3

0.03 max

Na2O3 + K2O

0.03 max

SiO2

0.04 max

Particle density (g/cm3)

3.96

Content of magnetic substance %

0.038 max

Hardness (mohs )

≥ 90

Melting point (°C)

2050

Bulk density (g/cm3)

1.92

Linear expansion coefficient

7-9

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White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory
White fused aluminum oxide / aluminum oxide / WA/WFA/abrasive/refractory
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