Silica sand Origin: Indonasia Specification Silicon Dioxide (SiO2)%99.79 PO-PTK-MIN-027 (ICP) Aluminium Oxide (Al2O3)%0.032 PO-PTK-MIN-027 (ICP) Iron Oxide (FezOs)%0.006 PO-PTK-MIN-027 (ICP) Calcium Oxide (CaO)%0.003 PO-PTK-MIN-027 (ICP) Magnesium Oxide (MgO)%0.004 PO-PTK-MIN-027 (ICP) Sodium Oxide (Na,O)%.0.008 PO-PTK-MIN-027 (ICP) Potassium Oxide (K20)%0.005 PO-PTK-MIN-027 (ICP) Titanium Dioxide (TiOz)%0.022 PO-PTK-MIN-027 (ICP) Mangan Dioxide (MnOz)%