详情
Zircon Sands Specifications
Calcined Zircon
Sand
Uncalcined Zircon
Sand
ZrO2 (%) minimum *5.0 *5.0
SiO2 (%) maximum *3.0 *3.0
Al2O3 (%) maximum 2.0 2.0
TiO2 (%) maximum 0.*5 0.*7
Fe2O3 (%) maximum 0.*5 0.**5
Melting Point (°C) 2,**5 2,**5
Specific Gravity 4.5 4.5
Refractive Index 2 2
Hardness (Mohs) 7.5 7.5
Thermal Exp. Coef. (cm/ cm / °C) 4.2 x ***6 4.2 x ***6
Residue on *0 Mesh (%) maximum ****- ****-
Residue on *0 Mesh (%) maximum 1 <1 </div>
Residue on **0 Mesh (%) maximum *4 0 -
2
Residue on **0 Mesh (%) maximum ****- ****-
Residue on **0 Mesh (%) maximum *3 *9 - *4
Residue on **0 Mesh (%) maximum *1 *6 -
*6
Residue on **0 Mesh (%) maximum ****- ****-
Residue on **0 Mesh (%) maximum 1 3 - 7
