Zircon Sand
High qualityzircon sand
1. Zircon sand
2. Color: Colorless transparent crystal
3. Capacity: 500mt/month
4. MF: Zr2SiO4Specifications
1. This is 80-120M zircon sand.
2. It is used in inner layer for shell-making.
3. It is used in investment casting.Usage
1. The 80-120M zircon sand is used in investment casting, the processing is called dipping.
2. It can enhance the shell`s thickness.
3. It is specialize used in inner layer being mixed with silica sol.
Technical Specifications (%):
Fe2O3 Guaranteed: 0.075 max
(total iron as Fe2O3): Typical 0.04-0.07
TiO2 Guaranteed: 0.15 max
TiO2 Typical: 0.06-0.15
ZrO2+HfO2 Typical: 66.0-67.0
Al2O3 Typical: 0.20-0.70
CaO Typical: 0.01-0.04
P2O5 Typical: 0.06 -0.10
SiO2 Typical: 32.0-34.0
Free Silica Typical: 0.01-0.07
pH Typical: 5.5 -7.00
Moisture Typical: 0.01- 0.07
Characteristics:
Specific gravity: 4.7
Bulk density: 170-180 lb/ft3; 2700 kg/m3;
Hardness: 7.5 Moh
Angle of repose: 30 degree;
Melting point: 4000°F, 2200°c
Thermal stability: no change to 3090°F, 1700°c
Loss on ignition: 0.02%-0.12%
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