Silica-Sand-75-Microns
Silica-Sand-75-Microns
Silica Sand with a particle size of 75 microns is a finely graded material used across various industries due to its high silica content and specific physical properties. Its applications range from manufacturing to construction, filtration, and specialized industrial processes.
Key Properties of Silica Sand (75 Microns):
Particle Size:
- Fineness: 75 microns (passing through 200 mesh sieve).
- Uniform particle distribution.
Material Composition:
- Silica (SiO₂) content: Typically >95%.
- Free from impurities such as clay, silt, and organic matter.


Physical Characteristics:
- Shape: Rounded or sub-angular grains.
- Specific Gravity: 2.6–2.7.
- Bulk Density: 1450–1560 kg/m³.
- Color: White to off-white, depending on source.
Chemical Properties:
- Silica (SiO₂): >95%.
- Iron Oxide (Fe₂O₃): <0.5%, depending on application.
- Low alkali and moisture content.
Advantages of 75 Micron Silica Sand:
- High purity ensures efficiency in manufacturing processes.
- Consistent particle size distribution enhances application performance.
- Excellent thermal and chemical stability.
- Versatility across multiple industries.
Standards and Testing:
- IS 3018: Specifications for silica sand used in glass industries.
- ASTM C778: Standard specifications for testing silica sand in mortar.
- Common tests include:
- Sieve Analysis.
- Moisture Content.
- Chemical Composition.
Applications:
Glass Manufacturing:
- Used in making high-quality glass (e.g., optical and container glass).
Foundry Sand:
- Ideal for precision casting due to high melting point and thermal stability.
Construction Materials:
- Blended with cement for specialized concrete.
- Used in mortar, plaster, and flooring compounds.
Filtration Media:
- Effective in water purification systems due to uniform grain size.
Ceramics and Refractories:
- Used as a filler or base material in ceramic and refractory products.
Paints and Coatings:
- Acts as a filler to improve durability and texture in paints.
Industrial Applications:
- Abrasive in sandblasting.
- Filler in rubber, plastics, and adhesives.