Silica-Sand-300-Microns
Silica-Sand-300-Microns
Silica Sand with a particle size of 300 microns is coarser than fine silica sands and is widely used in industries that require slightly larger particles for filtration, construction, and other industrial applications. Its composition and properties make it suitable for various specialized uses.
Key Properties of Silica Sand (300 Microns):
Particle Size:
- Coarser grade: 300 microns (passes through a 50-mesh sieve).
- Uniform particle size distribution.
Material Composition:
- High silica content: Typically >95% SiO₂.
- Low levels of impurities such as iron oxide, alumina, and alkalis.
Physical Characteristics:
- Shape: Rounded to sub-angular grains, depending on processing.
- Specific Gravity: 2.6–2.7.
- Bulk Density: 1450–1560 kg/m³.
- Color: White to off-white.
Chemical Properties:
- Silica (SiO₂): >95%.
- Iron Oxide (Fe₂O₃): <0.5%, depending on the intended application.
Advantages of 300 Micron Silica Sand:
- Consistent grain size ensures uniform performance across applications.
- High silica content guarantees chemical and thermal stability.
- Coarser grains improve permeability in filtration and molding processes.
- Free from organic impurities, enhancing durability and quality.
Standards and Testing:
Grading:
- As per IS 383 (for construction aggregates).
- Specific sieving to ensure 300-micron compliance.
Testing Parameters:
- Sieve Analysis to confirm particle size distribution.
- Moisture Content and Specific Gravity testing.
- Chemical Composition analysis for silica and impurities.
Compliance:
- Must meet industry-specific standards like IS 3018 (for glass) or ASTM C778 (for testing mortar).
Applications:
Construction:
- Used in concrete as a fine aggregate.
- Ideal for flooring, plaster, and specialty mortars.
Filtration Media:
- Commonly used in multi-media water filtration systems.
- Removes suspended particles due to its coarser grain size.
Glass Manufacturing:
- Suitable for certain types of glass where coarser grains are acceptable.
Foundry Applications:
- Used as a mold material for metal casting due to thermal resistance.
Industrial Abrasives:
- In sandblasting and other abrasive applications.
Ceramics:
- Filler material in ceramic and refractory products.
Paints and Coatings:
- Coarser silica sand is used to improve surface durability and texture.