KORUND BENÁTKY, s.r.o. - White Corundum

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 analysis typical analysis
Al₂O₃ 99.50 % min. 99.80 %
Fe₂O₃ 0.10 % max. 0.05 %
SiO₂ 0.12 % max. 0.08 %
CaO 0.10 % max. 0.02 %
Na₂O 0.35 % max. 0.26 %
3.
Physical poperties:
1. 3.1.
  Magnetic separation
  grain size magnetic particulares metal particulares
  3-5 mm 0.2 % max. 0.02 % max.
  1-3 mm 0.2 % max. 0.02 % max.
  0.5-1 mm 0.2 % max. 0.06 % max.
  0.2-2 mm 0.2 % max. 0.06 % max.
  0-1 mm 0.2 % max. 0.10 % max.
2. 3.2.
  Sieve analysis
  over seave: 5 % max.
  under seave: 5 % max.
3. 3.3.
  Color
  white

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