WFA WHITE FUSED ALUMINA FOR REFRACTORY MATERIALS

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
30 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

White Corundum (White fused aluminum oxide):

 

1.Description

electrically fused in arc furnace with high grade processed alumina as raw material. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, ability of self-sharpening, better cutting, less heat emit, higher efficiency, acid and alkali resistance, good thermal stability. As the abrasive materials, it is suitable for grinding high-speed, high carbon steel, as loose grains, it widely used for bonded and coated abrasives , polishing, precision casting and so on .

 

2.WFA Physical and Chemical Index

 

Chemical

Content(%)

Al2O3

99

Na2O

0.40

SiO2

0.10

Fe2o3

0.10

Physical

Cystal System

Hexahedron

Principal   Crystalline   Phase

Al2O3

Color

White

True Density(g/cm3)

3.9

Bulk Density(g/cm3)

1.75-1.95

Mohs Hardness

9

Coefficient of Linear Expansion(1/ degree centigrade )

8.3×10-4

LOI(%)

0.10

 

3.Sizes:

Name

Specification

Section Sand

0-1mm 1-3mm 3-5mm 5-8mm 8-10mm

Size Sand

24# 30# 36# 46# 60# 70# 80# 90# 100# 120#

Fine Powder

180-0 200-0 325-0

Chemical Composition

Al2O3

Fe2o3

SiO2

Na2O

LOI

Bulk Density(g/cm3)

Content(%)

99

0.10

0.10

0.40

0.10

3.9

 

4.Pictures

 


 

 

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