Corindone semifriabile

Analisi Chimica
Al2O3 97,6%
Fe2O3 0,10%
TiO2 1,35%
CaO+MgO 0,2%
SiO2 1%
MgO 0,45%
Other 0,3%

Dati Tecnici
Color: Red/brown
Bulk Density:
    24- 1.80/1.95
    30- 1.78/1.83
    36- 1.76/1.91
    46- 1.72/1.87
Hardeness: 21Kn/mm2 Knoop- 9 mohs
Melting point approx. 2000°C
Grain Shape: Angular grain
Toughness: Medium