WFA white aluminum oxide

White fused aluminum Oxide, called White Corundum, white fused alumina ,
white electrofused-alumina, white fused Al2O3, white electrocorundum,White Aloxide too.

Mainly chemistry composition:

Al2O3 >995.%

Size: Grit# 36,40,55,75,90,110,150,220,320,400 0.05-10mm,20/40mesh,30/60mesh,80mesh, F10-F300

white fused aluminum/white corundum/WA
Range of grit sizes	content
	Al2O3	Na2O	Fe2O3	SiO2
F8-F100	99.59min	0.20max	0.03max	0.04max
F120-F240	99.53min	0.22max	0.03max	0.04max
F320-F1200	99.50min	0.24max	0.04max	0.05max

 

Physical properties of white fused alumina
Items	Property
Color	White
Bulk density	1.75-1.95g/cm3
Grain density	3.90g/cm3 min
Morse hardness	9
Micro hardness	21600-22600kg/mm3

 

 

Density: 3.90 g/cm3

Hardness: Mr Spectral hardness is 2000-2200 Kg/was, 9.0 mohs hardness

Color: dark brown, deep blue in colour after calcination

Melting point: 2250 C

The highest use temperature: 1900 C

Specific heat (Cal/g. C) 0.26 (20-90 - C)

Heat transfer coefficient at room temperature to 900 C (Cal/cm3. SEC. C)

Refractive index: e = 1.760 w = 1.768 (Na line)

Resistivity: 30 C 300 C 900 C 1600 C (cm)

Coefficient of expansion: 7-9 (0-1600 - C)

Application:

Abrasive Blasting material
High-quality refractory materials 
Raw material for refractory brick
high end refractory products for the steel, foundry , and glass industry.

Any details, welcome contact with us.

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