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

White Corundum, sizing 16 – F 220

KORUND BENÁTKY, s.r.o.

ABRASIVE GRAINS OF WHITE CORUNDUM

sizing F 16 – F 220

1.
Basic informations
Quality: FEPA Standard 42-1:2006 (EN) F 4 - F 220
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 0.12 % max. 0.02 %
SiO₂ 0.10 % max. 0.01 %
CaO 0.10 % max. 0.02 %
Na₂O 0.28 % max. 0.15 %
3.
Physical poperties:
1. 3.1.
  Magnetic separation
  magnetic separation metal particulares
  F 16 – F 90 0.10 % max. 0.01 % max.
  F 100 – F 220 0.12 % max. 0.03 % max.
2. 3.2.
  Bulk density
  grain size g/dm3 min. g/dm3 max.
  F 16 1650 1850
  F 22 1650 1850
  F 24 1650 1850
  F 30 1650 1850
  F 36 1650 1850
  F 40 1650 1850
  F 46 1650 1850
  F 54 1650 1850
  F 60 1650 1850
  grain size g/dm3 min. g/dm3 max.
  F 70 1650 1850
  F 80 1530 1630
  F 90 1510 1610
  F 100 1490 1590
  F 120 1500 1600
  F 150 1400 1570
  F 180 1460 1560
  F 220 1460 1560
3. 3.3.
  Color
  white

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