PROPERTIES
Typical Chemical Analysis:
ZrO2+HfO2 65.5～66.5%
Fe2O3 0.04～0.07%
TiO2 0.15～0.19%
Al2O3 0.40～0.90%
P2O5 0.06～0.09%
SiO2(Total) 32.2～33.2%
Free SiO2(as quartz) 0.25～0.45%
U 200～230PPM
Th 150～170PPM
Physical Properties
Refractive index:1.93 to 2.01
Specific Gravity:4.6-4.71g/cm3
Mohs Hardness:7.5-8
Melting point:2340-2550℃
Available zizes:60-100mesh 80-120mesh 100-200mesh 200mesh 325mesh 2000mesh 2000mesh
Packing:30/40kgs PVC bags+1mt big bag
APPLICATION
Foundry
ceramics
chemicals
glass
refractory
abrasive washing/cleaning/blasting
and nuclear indrustry etc
Wechat Us 
