ALUMINUM OXIDE INFORMATION

Aluminium oxide also known as alumina is a chemical compound of aluminium and oxygen with the chemical formula Al₂O₃. We offer this compound in three different forms. You can request this compound either in its Calcined, absorbative, or nano-spherical grade.

ALUMINUM OXIDE USES

This mineral is commonly used as an abrasive and as a component in many different types of cutting tools.

aluminum oxide

Grades of ALuminum Oxide

White Calcined 3 Micron

White Calcined 3 Micron Aluminum Oxide Information

This is a carefully graded Calcined Alumina. It has sharp edges and is a hard and durable abrasive. It has a narrow particle distribution and is suitable as a polish.

White Calcined 7 Micron

7 MICRON GRADED CALCINED ALUMINUM OXIDE INFORMATION

This is a carefully graded Calcined Alumina. It has sharp edges and is a hard and durable abrasive. It has a narrow particle distribution and is suitable as a polish.

Packing: 50 lbs boxes or 380 lbs drums
Origin: USA

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Chemical Analysis  
Al203 99.59
Na20 0.35
Fe2O3 0.03
SiO2 0.03
Physical Analysis
Color, texture white, fine powder
Mohs hardness 9.0
Tapped density 1.2 gr/cm3
pH (5%) 7-8
Surface area (flow sorb) 1.3 m2/gr
D90 finer than 9 micron
D50 7 micron
D10 5 micron
White Calcined 50 Micron

50 MICRON GRADED CALCINED ALUMINUM OXIDE INFORMATION

This is a graded product with the bulk of the material into a narrow band with a nominal mean of 50 micron.

Packing: 50 lbs boxes or 380 lbs drums
Origin: USA

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Chemical Specifications  
Al2O3 99.6%
Na2O 0.35%
SiO2 0.33%
Fe2O3 0.02%
TiO2 less than 1%
Physical Specifications  
Hardness, Mohs 9.
Hardness, Knoop 2100
pH 7-8
Specific Gravity 3.77 gr/cc
Appearance white powder
Odor none
Bulk Density 1.5 – 1.8 gr/cc
Particle Size  
Micron % passing
75 97%
55 75%
44 50%
36 25%
25 6%
White Calcined 120 Grit

120 GRIT CALCINED ALUMINUM OXIDE INFORMATION

This is a graded product with the bulk of the material into a narrow band with a 125 to 60 Micron.

Packing: 50 lbs boxes or nominal 350 lbs drums
Origin: USA

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Chemical Specification  
Al2O3 99.6%
Na2O 0.35%
SiO2 0.33%
Fe2O3 0.02%
TiO2 less Than 1%
Physical  
Hardness, Mohs 9.
Hardness. Knoop 2100
pH 7-8
Specific Gravity 3.77 gr/cc
Appearance White Powder
Odor None
Bulk Density 1.5 – 1.8 gr/cc
Particle Size  
Micron % passing
125 84%
100 97%
60 5%
White Calcined 240 Grit

240 GRIT CALCINED ALUMINUM OXIDE INFORMATION

This is a graded product with the bulk of the material into a narrow band with a 30 to 60 Micron.

Packing: 50 lbs boxes or nominal 350 lbs drums
Origin: USA

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Chemical Specification  
Al2O3 99.6%
Na2O 0.35%
SiO2 0.33%
Fe2O3 0.02%
TiO2
less Than 1%
Physical  
Hardness, Mohs 9.
Hardness. Knoop 2100
pH 7-8
Specific Gravity 3.77 gr/cc
Appearance White Powder
Odor None
Bulk Density 1.5 – 1.8 gr/cc
Particle Size  
Micron % passing
60 97%
50 75%
44 50%
40 25%
30 6%
White Hydrated

HYDRATED ALUMINUM OXIDE INFORMATION

This is a soft Alumina Trihydrate. It is devoid of sharp edges and hard substances. It has a narrow particle distribution and is suitable as a polish.

Packing: 50 lbs paper bag
Origin: Canada

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Chemical Analysis
Al203 65.1% by difference
H20 combined 34.5
Na20 0.35
Other 0.05
Physical Analysis
Color, texture white, soft, fine powder
Mohs hardness 2.5 – 3.5
Untapped density 0.2 gr/cm3
Tapped density 0.5 gr/cm3
pH (5%) 10
Brightness (Tappi R457) 97
Surface area (flow sorb) 7 m2/gr
Medium particle (Sedigraph) 0.7 micron
Largest particle 5% over 1.5 micron
Smallest particle 5% below 0.25 micron
Activated Comparative Specification

ACTIVATED ALUMINA COMPARISON OF PNC and D6D

These are two Activated Alumina suitable for water treatment applications.

Packing: PNC D6D
  Steel drums Super sacks 300 lbs
or
Super sacks 1850 lbs
Super sacks 2000 lbs only
Origin: USA USA
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Chemical Analysis PNC D6D
Al2O3 92.0% 92.0%
SiO2 0.02% 0.35%
Fe2O3 0.03% -x-
Na2O 0.30% 0.35%
LOI 7.0% 8.0%
Physical Analysis PNC D6D
Form Granular Granular
Surface area 315 m2/gr 380 m2/gr
Density 47 40 lbs/Cu. Ft.
Macroporosity -x- 0.18 cc/gr above 750 A
Total pore Volume 0.5 0.52 cc/gr
Particle size 14-25 mesh 14-28 mesh

Need More Information?

If you are looking for a physical or chemical analysis of this mineral, then please feel free to request a complete analysis from us.
We are happy to send you any additional information you might need.

 

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