Kyanite sillimanite acinose concentrate

Kyanite sillimanite acinose concentrateOther names Kyanite-sillimanite sand, Disthene-sillimanite sand, Kyanite sillimanite acinose concentrate.

CAS number: 1302-76-7

Formula: Al2 [SiOJ О

Harmonize Commodity Code 2606000000


Chemical analysis

Аl203, min5758
TiO2, max2,51,2-2,0
Fe203, max0,80,8
CaO, max0,20,1
MgO max0,40,2
Na20+K20 max0,1
Th+U max70 ppm
Moisture, max0,50,1
Zr02 max0,8

Physical description and properties:

Appearance: Dirty-white free running sand.
Grain shape: platelet, oblong, irregular angle.
Grain color: colorless, light blue, light grey.

Melting point:1850 °С
Mullite transformation:1350 – 1550 °С
Specific Gravity:3200 – 3500 kg/m3
Bulk density:1860 -1920 kg/m3
Grain size:63 – 200 mkm
Solubility in Water:Insoluble
Угол естественного откоса:32°
Angle of friction:6
рН:6,5 – 7,0


MineralsContents, %
Rutile/ Ilmenite:1-2

Storage in closed containers or bags, protect from physical damage.
Terms of storage unlimited.

Sieve Aperture (microns)Cumulative retained, %
+ 2004
+ 16040
+ 10090
+ 6399,7

End use: Row material for steelmaking, refractories, glassmaking refractories, ceramics coating, glass additive, mullite manufacture and foundry uses.


  • Bulk in railway cars  or vessel holds;
  • 50 kg bags;
  • Soft containers (big bag) 1 t net.

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