Features:
- Stable grain size distribution and air permeability
- Stable component composition
- High refractoriness (1800°C)
- High resistance to wear, crush, and thermal shock
- Little thermal expansion
- Excellent fluidity and filling efficiency because of being spherical
- Highest reclamation rate in the sand loop system
Application sand foundry processes:
Resin coated sand process
Cold box and warm box sand process
3D sand printing process
No-bake resin sand process (Include Furan resin and Alkali phenolic resin)
Investment process/ Lost wax foundry process/ Precision casting
Lost weight process/ Lost foam process
Water glass process
Ceramic Foundry Sand Property
| Main Chemical Component | Al₂O₃ 70-75%, Fe₂O₃＜4%, |
| Grain Shape | Spherical |
| Angular Coefficient | ≤1.1 |
| Partical Size | 45μm -2000μm |
| Refractoriness | ≥1800℃ |
| Bulk Density | 1.8-2.1 g/cm3 |
| PH | 6.5-7.5 |
| Application | Steel, Stainless steel, Iron |