Zhengzhou Onway Import & Export Co., Ltd.
Main products:Abrasive,Refractory material,fused alumia,garnet,silicon carbide
Products
Contact Us
  • Contact Person : Ms. Chen Cherry
  • Company Name : Zhengzhou Onway Import & Export Co., Ltd.
  • Tel : 86-371-86106538
  • Fax : 86-371-86106138
  • Address : Henan,Zheng zhou,Room 536, Floor 5, Building# 1, Court No. 1, Construction West Road, Zhongyuan District, Zhengzhou City, Henan Province
  • Country/Region : China
  • Zip : 450006

Brown fused alumina for precision casting

Brown fused alumina for precision casting
Product Detailed
Brown fused alumina is made of high quality bauxite as main material,widely used in abrasives,refractory and precision casting.

Brown Fused Alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200 celsius degree, and made into different grain sizes through crystal, choosing, crashing, magnetic, separating, screening, washing etc. 

 

Chemical Composition(%)

Grit Size

Al2O3

TiO2

SiO2

Fe2O3

CaO

MgO

F4-F80

95.0-96.0

 

2.0-3.8

 

0.9

 

0.15

0.35

 

0.5

F90-F150

94.5-95.5

F180-F220

93.5-95.5

F200 Finer

≥92.00

1.50-3.80

≤0.45

 

  

 

Physical characteristics

Basic Mineral

Al2O3

Crystal Sysem

Hexagonal

Colour

Brown

True Density

3.90g/cm3 min

Mohs Hardness

9

Micro Hardness

HV1800-2200

 

Advantages

 

1.Al2O3 95.0%min;

2,competitive price;

3.best service;

4.all kinds of sizes

 

Size Available: 

Abrasives F12-F1200,P12-P2500

Refractory 0-1mm,1-3mm,3-5mm,5-8mm,200mesh,325mesh

Other special specification could be supplied as required.

 

Applications:

1.Coated and bonded abrasive tools

2.Lapping and polishing processes

3.Sandblasting

4.Producing mold of precision casting

5.Refractory materials including low cement castables,plastics,bricks etc.

Brown fused alumina for precision casting



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