Property

A-120

SiO2 wt%, min. 99,9
Fe2O3 wt%, max. 0,003
Al2O3 wt%, max. 0,05
TiO2 wt%, max. 0,03
pH value (in 4 % aqueous dispersion) 3,8-4,3
Loss on drying (2hrs at 105°C) wt%, max. 1,0
Ignition loss (2hrs at 1000°C) wt%, max. 1,0
Bulk density, noncompacted, g/dm3 40-60
Bulk density, сompacted, g/dm3 120-140
Specific surface, m2/gr by BET method 120±20
Mass part of large particles (Grit), wt. %,max.   0,04