The following data is for information only and is derived from quality and controlled tests over a number of years. It does not constitute a specification - If you require detailed specifications contact us

TYPICAL PROPERTIES

VALUE

Chemical Composition (mass%)

 

Al2O3

42,0

Fe2O3

1,3

Magnetics (ppm max.) - Rare earth magnet

Coarse Grades

160

Intermediate Grades

250

Milled Grades

120

Mineralogical Composition by XRD (Mass %)

 

Mullite

55

Amorphous Material

45

Miscellaneous Information

 

Coefficient of Thermal Expansion (/°C)

4,4 x 10-6

Specific Gravity

2,70

Refractoriness - Initial Deformation

1750-1770°C

Hardness (Moh's Scale)

7-8