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Brown Corundum, sizing F 12 – F 220
KORUND BENÁTKY, s.r.o.


ABRASIVE GRAINS OF BROWN CORUNDUM

sizing F 12 – F 220


  1. Basic informations
    Quality:FEPA Standard 42-1:2006 (EN) F 4 - F 220
    Structure:aplha alumina
    Hardness:9 Mohs
    Typical hardness:2000kg/mm2 by Knoop hardness scale
    Absolute density:3,9 - 4,1 g/cm3
  2. Chemical compound
    grain sizeAl2O3 min.Al2O3 typicalFe2O3 max.TiO2 min.CaO max.
    F 12 - F 3094.0 %95.0 %0.6 %1.8 %0.8 %
    F 36 - F 8094.5 %95.0 %0.5 %1.8 %0.8 %
    F 90 - F 22093.0 %94.0 %0.7 %1.8 %0.9 %
  3. Physical poperties:
    1. Magnetic separation
      grain sizemagnetic separationmetal particulares
      F 12 – F 2200.10 % max.1 % max.
    2. Bulk density
      grain sizeg/dm3 min.
      F 12 - F 161880
      F 20 - F 221830
      F 24 - F 461780
      F 90 - F 2201740
    3. Color
      brown


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