... mainly applied in precision casting 2.Offer 80-120Mesh 63%65%66% Zircon SandCountry of Origin: Australia, Indonesia, South Africa etc1 ... ,Specification Granularity : 80-140mesh Grand Composition SA8SA6SA4SA2ZrO2≥66%≥65%≥64%≥63%Fe2O3≤0.08%≤0.10%≤0.20%≤0 ... , potassium, zirconium sulfate, etc.). 2012 HOT SELL zircon-sand.60-65% 80-120M Zircon Sand zirconium silicate Zr(SiO4) zircon Flour ...