KORUND BENÁTKY, s.r.o.




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



ABRASIVE GRAINS OF WHITE CORUNDUM

for refractory



  1. Basic informations
    Grain size:0-1 mm, 0.2-2 mm, 0.5-1 mm, 1-3 mm, 3-5 mm
    Structure:aplha alumina
    Typical hardness:2100kg/mm2 by Knoop hardness scale
    Absolute density:3,95 - 3,75 g/cm3
  2. Chemical compound
     guaranteed analysistypical analysis
    Al2O399.50 % min.99.80 %
    Fe2O30.10 % max.0.05 %
    SiO20.12 % max.0.08 %
    CaO0.10 % max.0.02 %
    Na2O0.35 % max.0.26 %
  3. Physical poperties:
    1. Magnetic separation
      grain sizemagnetic particularesmetal particulares
      3-5 mm0.2 % max.0.02 % max.
      1-3 mm0.2 % max.0.02 % max.
      0.5-1 mm0.2 % max.0.06 % max.
      0.2-2 mm0.2 % max.0.06 % max.
      0-1 mm0.2 % max.0.10 % max.
    2. Sieve analysis
      over seave:5 % max.
      under seave:5 % max.
    3. Color
      white