KORUND BENÁTKY, s.r.o.




Brown Corundum for refractory
KORUND BENÁTKY, s.r.o.



ABRASIVE GRAINS OF BROWN CORUNDUM

for refractory



  1. Basic informations
    Grain sizes:0-200 mesh, 0-325 mesh, 0-1 mm, 1-3 mm, 3-5 mm
    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 sizeAl2O3Fe2O3TiO2CaO
    3-5 mm95.0 % min.0.8-1.5 %3.0 % max.0.25 % max.
    1-3 mm95.0 % min.0.8-1.5 %3.0 % max.0.25 % max.
    0-1 mm95.0 % min.0.8-1.5 %3.0 % max.0.25 % max.
    -200 mesh94.0-96.0 %1.7 % max.3.0 % max.0.30 % max.
    -325 mesh93.0-95.0 %1.8 % max.3.0 % max.0.40 % max.