Green Sand Moulding
Reliable mould strength and permeability for ferrous and non-ferrous casting.
Foundry
Foundry Grade Silica
Premium category silica sand, precisely engineered to meet the exacting standards of the metal casting industry.
Engineered for the casting floor
Foundry grade silica is the backbone of high-quality metal casting. Our sand is processed to deliver the controlled grain fineness, high refractoriness and low impurity content that foundries depend on for clean, defect-free castings, batch after batch.
Whether you run green sand moulding, core making or precision casting, consistent chemistry and grain distribution mean predictable permeability, mould strength and surface finish.
- High SiO₂ purity for refractoriness
- Controlled AFS grain fineness number
- Low clay, moisture and impurity content
- Consistent grain shape for good permeability
Metal CastingHigh refractoriness
Typical Specifications
Representative properties
Indicative values, final specification is tailored to your requirement. A certificate of analysis (COA) is provided with supply.
| Property | Typical Value |
|---|---|
| Silica (SiO₂) | 98 to 99.5% |
| Iron Oxide (Fe₂O₃) | < 0.5% |
| Alumina (Al₂O₃) | < 1.0% |
| AFS Grain Fineness No. | 40 to 100 |
| Grain Shape | Sub-angular to rounded |
| Moisture | 5% |
| Refractoriness | ~1700 °C |
Applications
Where it's used
Core Making
Clean, consistent sand for strong cores and fine surface detail.
Investment & Precision Casting
High-purity silica for demanding precision casting work.
Interested in Foundry Grade Silica?
Tell us your grade, grain size and quantity. We'll match the right product and send pricing with a certificate of analysis.