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White Fused Alumina

White fused alumina​ is high grade refractory material

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White Fused Alumina

 

Description

White fused alumina is high grade refractory material , which made from the high quality alumina by melting above 2000 ℃ in the electric arc furnace and cooling.

 

Advantage

White fused alumina Occupying higher hardness and slightly lower toughness compared with Brown Fused Alumina, it is characterised by its high purity, better cutting,ability of self-sharpening, less heat emit during grinding, higher efficiency,acid and alkali resistance, and good thermal stability.


Application
1. It can make the abrasive tool to grind the great hardness material, such as the high speed steel, stainless steel and high carbon steel.
2. It also usually used for sandblasting, such as precious metal, the gold, crystal, the glass and cowboy wear. 
3. It can be used in grinding and polishing the gold, silver jewellery, the eye glass, bearing and any kind of precision instrument.
4. It can be used in manufacturing the superfinishing stone.
5. It can be used in making the superior refractory products.
6. It is usually used for refractory material.

 

Specification

 

Purpose

Specification

Chemical   Composition(%)

Magnetic   material content(%)

Abrasives grade

Al2O3

Fe2O3

SiO2

TiO2

Grain

12-80

99

0.05

0.26

0.08

0.0023

90-150

99

0.06

0.28

0.09

0.0021

180-220

99

0.08

0.3

0.1

0.0018

Micropowder

240-4000

98.5

0.1

0.4

0.15

Refractory grade

Group Size

0-1mm

99

0.1

0.35

0.3

1-3mm

3-5mm

5-8mm

Fine Powder

180mesh

99

0.1

0.35

0.3

200mesh

240mesh

320mesh

Color

white

                        Hardness(mohs)

9

Melting point(°C)

2250

Maximum service temperature(°C)

1900

Ture density(g/cm3)

3.9

P.S.: Other specifications could be provided as required.

 

 

 

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