Silica Sand Dust Grade & Specification
Silica Sand Grades as per Industries.
Specifications and Grades of Silica Sand for Various Applications
Silica sand is a versatile material used across multiple industries due to its unique properties such as high silica content, chemical inertness, and granular consistency. Below are the specifications and grades of silica sand for different applications:
1. Glass Grade Silica Sand
SiO2 Content: ≥ 99.5%
Fe2O3 Content: ≤ 0.01%
Al2O3 Content: ≤ 0.3%
Grain Size: 0.1 mm to 0.6 mm
Applications: Used in the production of flat glass, container glass, fiberglass, and specialty glass.
Key Requirements: High purity, uniform grain size, and low iron content to ensure clarity and strength of glass.
2. Adhesive Grade Silica Sand
SiO2 Content: ≥ 98%
Fe2O3 Content: ≤ 0.1%
Grain Size: 0.2 mm to 0.8 mm
Applications: Used as a filler in adhesives and sealants to improve strength and durability.
Key Requirements: Consistent particle size, low moisture content, and chemical stability.
3. Foundry Grade Silica Sand
SiO2 Content: ≥ 96%
Fe2O3 Content: ≤ 0.5%
Grain Size: 0.15 mm to 0.8 mm
Applications: Used in metal casting processes for mold and core making.
Key Requirements: High refractoriness, good permeability, and thermal stability.
4. Construction Grade Silica Sand
SiO2 Content: ≥ 95%
Fe2O3 Content: ≤ 0.5%
Grain Size: 0.1 mm to 2.0 mm
Applications: Used in concrete, mortar, plaster, and asphalt mixtures.
Key Requirements: High strength, durability, and compatibility with binding materials.
5. Chemicals Grade Silica Sand
SiO2 Content: ≥ 99%
Fe2O3 Content: ≤ 0.02%
Grain Size: 0.1 mm to 0.5 mm
Applications: Used in the production of silicon compounds, sodium silicate, and other chemicals.
Key Requirements: High purity, low impurities, and consistent chemical composition.
6. Paints and Coatings Grade Silica Sand
SiO2 Content: ≥ 98%
Fe2O3 Content: ≤ 0.05%
Grain Size: 0.2 mm to 0.6 mm
Applications: Used as a filler and extender in paints, coatings, and primers.
Key Requirements: Fine particle size, low oil absorption, and excellent dispersion properties.
7. Water Filtration Grade Silica Sand
SiO2 Content: ≥ 96%
Fe2O3 Content: ≤ 0.1%
Grain Size: 0.4 mm to 1.2 mm
Applications: Used in water treatment plants for filtration of drinking water, wastewater, and swimming pools.
Key Requirements: High purity, uniform grain size, and resistance to chemical degradation.
8. Oil and Gas Hydraulic Fracturing Grade Silica Sand
SiO2 Content: ≥ 99%
Fe2O3 Content: ≤ 0.1%
Grain Size: 0.4 mm to 1.2 mm
Applications: Used as a proppant in hydraulic fracturing to keep fractures open and allow oil and gas to flow.
Key Requirements: High crush resistance, spherical shape, and thermal stability.
9. Electronics and Semiconductors Grade Silica Sand
SiO2 Content: ≥ 99.99%
Fe2O3 Content: ≤ 0.001%
Grain Size: 0.1 mm to 0.3 mm
Applications: Used in the production of silicon wafers, solar panels, and electronic components.
Key Requirements: Ultra-high purity, minimal impurities, and precise grain size.
10. Sports Artificial Turf Grade Silica Sand
SiO2 Content: ≥ 95%
Fe2O3 Content: ≤ 0.5%
Grain Size: 0.2 mm to 0.8 mm
Applications: Used as infill material in artificial turf for sports fields and playgrounds.
Key Requirements: Rounded grains, low dust content, and durability.
11. Abrasives Grade Silica Sand
SiO2 Content: ≥ 98%
Fe2O3 Content: ≤ 0.1%
Grain Size: 0.1 mm to 1.0 mm
Applications: Used in sandblasting, grinding, and polishing applications.
Key Requirements: Hardness, angular grains, and consistent particle size.
12. Cosmetics Grade Silica Sand
SiO2 Content: ≥ 99%
Fe2O3 Content: ≤ 0.01%
Grain Size: 0.05 mm to 0.2 mm
Applications: Used in exfoliants, toothpaste, and skincare products.
Key Requirements: Ultra-fine particles, high purity, and non-toxicity.
Summary Table
| Application | SiO2 Content | Fe2O3 Content | Grain Size (mm) | Key Requirements |
|---|---|---|---|---|
| Glass Grade Silica Sand | ≥ 99.5% | ≤ 0.01% | 0.1 – 0.6 | High purity, low iron, uniform grain size |
| Adhesive Grade Silica Sand | ≥ 98% | ≤ 0.1% | 0.2 – 0.8 | Consistent size, low moisture |
| Foundry Grade Silica Sand | ≥ 96% | ≤ 0.5% | 0.15 – 0.8 | High refractoriness, thermal stability |
| Construction Grade Silica Sand | ≥ 95% | ≤ 0.5% | 0.1 – 2.0 | High strength, durability |
| Chemicals Grade Silica Sand | ≥ 99% | ≤ 0.02% | 0.1 – 0.5 | High purity, low impurities |
| Paints and Coatings Grade Silica Sand | ≥ 98% | ≤ 0.05% | 0.2 – 0.6 | Fine particles, low oil absorption |
| Water Filtration Grade Silica Sand | ≥ 96% | ≤ 0.1% | 0.4 – 1.2 | High purity, uniform grain size |
| Oil and Gas Hydraulic Fracturing Grade | ≥ 99% | ≤ 0.1% | 0.4 – 1.2 | High crush resistance, spherical shape |
| Electronics and Semiconductors Grade | ≥ 99.99% | ≤ 0.001% | 0.1 – 0.3 | Ultra-high purity, minimal impurities |
| Sports Artificial Turf Grade | ≥ 95% | ≤ 0.5% | 0.2 – 0.8 | Rounded grains, low dust |
| Abrasives Grade Silica Sand | ≥ 98% | ≤ 0.1% | 0.1 – 1.0 | Hardness, angular grains |
| Cosmetics Grade Silica Sand | ≥ 99% | ≤ 0.01% | 0.05 – 0.2 | Ultra-fine particles, non-toxic |
This detailed specification and grading guide ensures that silica sand meets the specific requirements of each application, enabling optimal performance and efficiency across industries.