Sand , cleaned and dried, fine, 0.1-0.6 mm, 1 kg

Round particles,Assay (SiO2) > 98.5%

Density 2.5g/ml,Part. Size 0.1 - 0.6mm

Loss on ign. < 0.35%,pH (20% supension) 6.77,Al2O3 < 0.6%,Fe2O3 < 0.15%,CaO < 0.1%,MgO < 0.35%,Na2O < 0.28%,K2O < 0.25%,TiO2 < 0.07%,Heavy met. Exempt