 | Size analysis: micrograins from F230 do F1200 acc. to PN-ISO 8486-2. Chemical constitution in percentage: Al2O3 min. 98,5 TiO2 - SiO2 max. 0,60 Fe2O3 max. 0,20 CaO max. 0,30 Na2O max. 0,40 |
Specific
density:
3,85 g/cm3
Mohs hardness:
over 9,0
Moisture:
max. 0,2
(m/m)
Magnetic fraction:
0,02