Silica Sand: The Foundation for Industrial Purity & Performance
Silica Sand, also known as industrial sand, is a natural granular material mainly made of silicon dioxide (SiO₂). It is formed from the natural breakdown of quartz-rich rocks over time. Silica sand is strong, durable, and chemically stable, which makes it an important raw material used in many industries. Its quality mainly depends on its purity, grain size, and particle shape.
Key Features
- High silica (SiO₂) purity
- Excellent thermal stability
- Uniform grain size distribution
- Low iron content
- High hardness and durability
- Chemically inert and stable
Product Specifications
- Silicon Dioxide (SiO₂) Content: Typically 95% - 99.5%
- Iron Oxide (Fe₂O₃) Content: < 0.05% for glass sand; higher for other uses
- Grain Shape: Round, Sub-Round, Sub-Angular, Angular
- AFS Grain Fineness Number (GFN): 30 - 140 (Commonly used for foundry)
- Bulk Density: Approx. 1.5 - 1.7 g/cm³ (95 - 105 lbs/ft³)
Available Sizes Grades
- Coarse Grades: 20/40, 30/50 mesh (for hydraulic fracturing, filtration)
- Medium Grades: 40/70, 50/70 mesh (for foundry, glass)
- Fine Grades (Sand): 70/140, 100 mesh (for plasters, specialty coatings)
- Flour Grades (Ground Silica): 200, 325 mesh (for fillers, extenders)
- Custom grades available on request