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LD International Abrasives Limited
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Polishing Alumina

Polishing Alumina

Payment Terms : T/T, L/C, PayPal
Packaging Details : 25kg in a pvc bag, 1 ton in a big bag.We can also make pakage according to your request.
MOQ : 1 Metric Ton
Supply Ability : 500 Metric Ton / Month
Delivery Time : within 7 days after your advance payment
Place of Origin : China
Application : polishing slurry,abrasive tools, and lapping
Bulk density : 1.75-1.95 g/cm3
Brand Name : LD
Purity (%) : 95%
Fe2O3 : 0.3%
Al2O3 : 95%
Melting point : 2000°C
SiO2 : 1.0%
Appearance : powder
Grade Standard : Medicine Grade, Industrial Grade
Crystal form : a-Al2O3
Grain density : 3.90g/cm3
MF : /
Classification : Alumina
Color : Brown
Ti2O : 1.8%
Morse hardness : 9
Other Names : alumina oxide powder ,brown alumina,abrasive powders
Category : Glass Product Making Machinery Parts
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1.Production introduction

Our brown fused alumina contains High TiO2 which makes it an extremely durable,could also be used in Ceramic except normal usage.

Polishing brown fused alumina are the perfect material specifically manufactured to be used for general abrasive applications in bonded abrasive tools, and lapping and polishing processes. While aluminum oxide has lower hardness and abrasive capacity than diamond, boron carbide, and silicon carbide, it is widely used for grinding ferrous materials, finishing tough and hard materials, filling up ceramic parts when the processing cost is important.

 2.brown fused alumina applications

  • Wet and dry blasting
  • Grinding, lapping and polishing media
  • Resin bonded grinding wheels and segments
  • Resin bonded abrasive products
  • Wear-resistant and fire-proof products
  • Catalyst carrier
  • Friction products


3.Size 

Sandblasting brown fused alumina 
#8, #10, #12, #16, #24, #30, #36, #40, #46, #54, #60, #70, #80, #90, #100, #120,#150,#180,#220
Polishing brown fused alumina 
#240,#320,#400,#500,#600,#800,#1000,#1200

4.Processing technic

Air crush with the lowest bulk density, the shape of the material sharp

Ball milling with the middle bulk density,the shape of the material between sharp and cube.

Bamark with the highest bulk density,the shape of the material cube and circle.

5.Sieves using in processing

 BFA is under the standard of FEPA,GB,JISR,ANSI.

Generally,we use 5 sieves for sieving the material.

And also can customize the sieving method for customers' special request.

 6. Polishing brown fused alumina  chemical compositions:

Al2O3

≥95.0%

SiO2

≤1.0%

TiO2

≤1.8%

Fe2O3

≤0.30%

Grade

A

Hardness

≥9

Bulk density

≥1.75 g/cm3

Grain density

≥3.97g/cm3

Content of magnetic material

≤0.038%


 

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