产品规格︰ Regarding Zirconium Dioxide your required,the specification as follow:
ZrO2+HfO2: 99.5% min.
Fe2O3: 0.02% max.
SiO2: 0.04% max.
Na2O: 0.01% max.
TiO2: 0.006% max.
Al2O3:0.001% max.
CaO: 0.03% max.
MgO: 0.02% max.
Pb2O5: 0.15% max.
Sulphur: 0.18% max.
L.O.I. at 900 degrees centigrade: 0.5% max.
Particle Size:D50: 0.5~5um.
Packing: In 25 kgs plastic woven bags.