Special sands GBM

(BADGER MINING CORP., USA)
GBM sands differ from the European silica sand by the following advantages:
  • more uniform surface texture
  • smoother grain surface
  • good regeneration
  • lower maintenance costs (wear parts)

GIBA company is the exclusive distributor in the European market for GBM sands.

Chemical analysis%
Silicon dioxide99.70
Aluminum oxide0.12
Calcium oxide0.12
Iron oxide0.04
Potassium oxide0.02
Sodium oxide0.01
Magnesium oxide0.01
Titanium oxide0.01
Properties
Loss on ignition0.05%
Moisture0.20%
Base pH6.80
Sintering point1650 °C
Grain shaperound
Specific gravity2.65
Bulk density tapped1,681-1,778 kg/m3
Bulk density untapped1,505-1,570 kg/m3
Clay content0.08%
Acid demand value0.40


GBM ultrastructure