ISO9001 audited high purity Zircon sand for sale

Specifications

ISO9001 audited high purity Zircon sand for sale

High quality zircon sand 
1. Zircon sand 
2. Color: Colorless transparent crystal 
3. Capacity: 500mt/month 
4. MF: Zr2SiO4 

Specifications 
1. This is 80-120M zircon sand. 
2. It is used in inner layer for shell-making. 
3. It is used in investment casting. 

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%

Applications 
1)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.

High temperature applications. Primary source for investment casting shell molds, foundry cores,

metal chills, ladle brick, welding rod coatings, abrasive cleaning, ceramics, glass, chemical, 

refractory bricks, abrasive & mold washes, solid oxide fuel cells and nuclear power plants.