zircon sand

الوصف

Specifications
1. This is *****0M zircon sand.
2. It is used in inner layer for shell-making.
3. It is used in investment casting.

Usage
1. The *****0M 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.**5 max
(total iron as Fe2O3): Typical 0.***0.*7
TiO2 Guaranteed: 0.*5 max
TiO2 Typical: 0.***0.*5
ZrO2+HfO2 Typical: *6.***7.0
Al2O3 Typical: 0.***0.*0
CaO Typical: 0.***0.*4
P2O5 Typical: 0.*6 *0.*0
SiO2 Typical: *2.***4.0
Free Silica Typical: 0.***0.*7
pH Typical: 5.5 *7.*0
Moisture Typical: 0.**- 0.*7

Characteristics:
Specific gravity: 4.7

Bulk density: ******0 lb/ft3; ***0 kg/m3;
Hardness: 7.5 Moh
Angle of repose: *0 degree;
Melting point: ***0°F, ***0°c

Thermal stability:  no change to ***0°F, ***0°c

Loss on ignition: 0.*2%*0.*2%

Applications
1)*****0M 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.