Brown Fused Alumina Micro


Description:

Aluminum Oxide is manufactured in an electric arc furnace that produces an extremely tough, long-lasting grain which is graded to exacting standards. The various macrogrit sizes may be used for all types of bonded abrasive and general industrial applications.

Applications:

Aluminum Oxide powders are used for micro blasting, precision lapping, fine grit grinding wheels, break lining fillers, tumbling, polishing compounds, etc.


Typical Chemical Analysis:

Aluminum Oxide (Al2O3) 94.11%
Titanium Dioxide (TiO2) 3.93%
Silicon Dioxide (SiO2) 1.15%
Iron Oxide (Fe2O3) 0.39%
Others (MgO, CaO, Cr2O3) 0.44%

Physical Characteristics:

Crystal Form: Alpha-Alumina
True Density: 3.95 g/cm3
Hardness: Mohs 9.0
Melting Point: 2000°C
Color: Brown – Tan

 


Sizing Test Methods:

Sizing: FEPA Standard 42-2: 2006
JIS R 6001 – 1998
Micron sizes based on Coulter Multisizer

 


Products Available:

FEPA F240 – F1200
JIS #240 – #8000
Micron/Optical sizes 50.0um – 1.0 um

FEPA F Standard – Powders/Microgrits

D3% D94%
Size Max. D50% Min.
240 70 42.5-46.5 28
280 59 35.0-38.0 22
320 49 27.7-30.7 16.5
360 40 21.3-24.3 12
400 32 16.3-18.3 8
500 25 11.8-13.8 5
600 19 8.3-10.3 3
800 14 5.5-7.5 2
1000 10 3.7-5.3 1
1200 7 2.5-3.5 1(80%)

 


Certifications Available:

FEPA
JIS

 


Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc.  

Posted in Brown Fused Alumina.