1. Glass Industry:
In the glass industry, quartz sand serves as a fundamental ingredient in the production of glass products. With its high silica content and uniform particle size distribution, quartz sand contributes to the clarity, strength, and thermal resistance of glass. Its chemical composition ensures the desired optical properties, while its hardness enhances the durability of glass products.
• Level of Purity: Quartz sand used in the glass industry typically requires a purity level exceeding 99%.
• Particle Size Distribution: The particle size distribution of quartz sand for glassmaking ranges between 0.1mm to 0.5mm, ensuring optimal melting and uniformity in glass production.
| Level | Component % | SiO₂ | Al₂O₃ | Fe₂O₃ | +1mm | 800µm | 710µm | 500µm | -100µm |
|---|---|---|---|---|---|---|---|---|---|
| 1+ | SiO₂ | 98.5 ± 0.20 | 1.0 ± 0.10 | 0.05 ± 0.01 | 0.5 | 0 | 0.5 | 5.5 | 5 |
| 1 | SiO₂ | 98.0 ± 0.25 | 0.1 | / | / | 10 | 10 | ||
| 2 | SiO₂ | 96.0 ± 0.30 | 2.0 ± 0.15 | 0.2 | 20 | ||||
| 3 | SiO₂ | 92.0 ± 0.30 | 4.5 ± 0.20 | 0.25 | 25 | ||||
| 4 | SiO₂ | 90.0 ± 0.30 | 5.5 ± 0.30 | 0.33 | 30 |
2. Electronic & Electrical Industries:
In electronic and electrical applications, quartz sand finds extensive use in the manufacturing of semiconductors, circuit boards, and electrical components. Its high purity, low thermal expansion coefficient, and excellent electrical insulation properties make it an ideal material for these applications.
• Level of Purity: The purity of quartz sand for electronic and electrical industries often surpasses 99.9%.
• Particle Size Distribution: Fine-grained quartz sand with a particle size ranging from micrometers to millimeters is preferred for electronic and electrical applications to ensure precise fabrication processes and optimal performance.
| Type | Silicon | Active Silicon | Electrical Silicon | Active Electrical Silicon |
|---|---|---|---|---|
| Moisture / % | ≤0.10 | |||
| Density (103kg/m³) | 2.65±0.05 | |||
| Component | Burning Vector | ≤0.20 | ≤0.15 | |
| SiO₂ | ≥99.40 | ≥99.60 | ||
| Fe₂O₃ | ≤0.030 | ≤0.020 | ||
| Al₂O₃ | ≤0.20 | ≤0.15 | ||
| Hydrophobicity / min | – | ≥30 | – | ≥45 |
3. High-end Quartz Material Industry:
The high-end quartz material industry encompasses a wide range of applications, including optics, aerospace, and precision instrumentation. Quartz sand serves as the primary raw material for manufacturing high-quality quartz products such as optical lenses, quartz crucibles, and quartz substrates.
• Level of Purity: High-purity quartz sand with a purity level exceeding 99.99% is essential for producing premium-grade quartz materials.
• Particle Size Distribution: Depending on specific applications, the particle size distribution of quartz sand in the high-end material industry may vary, with precise size control to meet stringent quality requirements.
| Type | Requirement |
| Appearance | white particles with certain transparency, without any color difference |
| Particle Size | in the range of 70-350 njm |
| SiO / % | 99.99%, on ignition loss 0.01% |
4. Water Treatment Industry:
Quartz sand plays a crucial role in the water treatment industry, particularly in filtration and purification processes. Its uniform particle size, high surface area, and chemical inertness enable efficient removal of impurities, suspended solids, and organic contaminants from water sources.
• Level of Purity: Quartz sand utilized in water treatment applications typically requires a purity level of at least 95%.
• Particle Size Distribution: Coarse to medium-grained quartz sand with particle sizes ranging from 0.5mm to 2mm is commonly used in water filtration systems for effective removal of particulate matter.
| Type | Requirement |
|---|---|
| SiO₂ Content | ≥85% |
| Physical Properties | Solid, durable, compact |
| Density | 2.5-2.7g/cm³ |
| Mud Content | <1% |
| Burning Vector | ≤0.7% |
| Particle Size | 0.5-1.2mm |
5. Mechanical Foundry:
In mechanical foundry operations, quartz sand, often referred to as molding sand or foundry sand, serves as a key component in the casting process. Its high refractoriness, thermal stability, and ability to form intricate molds make it an ideal material for casting various metal alloys.
• Level of Purity: Foundry-grade quartz sand typically exhibits a purity level ranging from 95% to 99%.
• Particle Size Distribution: Foundry sand consists of coarse grains with a particle size distribution tailored to specific casting requirements, typically ranging from 0.1mm to 1mm.
| Granularity | Scrub Sand | Washing Sand | Artificial Sand |
|---|---|---|---|
| 30/50 | ≤0.1 | ≤0.5 | ≤0.5 |
| 40/70 | ≤0.1 | ≤1.0 | ≤1.0 |
| 50/100 | ≤0.4 | ≤3.0 | ≤1.5 |
| 70/140 | ≤0.7 | ≤3.5 | ≤2.0 |
| 100/200 | ≤8.0 | ≤10.0 | ≤10.0 |
6. Artificial Quartz Stone Plate:
Artificial quartz stone plates, popularly used in countertops, flooring, and wall cladding, are manufactured using quartz sand as the primary raw material. The engineered stone combines the aesthetic appeal of natural stone with enhanced durability and versatility.
• Level of Purity: High-purity quartz sand with a purity level exceeding 99% is essential for producing premium-quality artificial quartz stone plates.
• Particle Size Distribution: Fine to medium-grained quartz sand with controlled particle sizes ensures uniformity and consistency in the artificial stone manufacturing process.
| Type | Requirement |
|---|---|
| Appearance | The color is uniform, the miscellaneous particles < 2%, there is no dust, and the particles are clean |
| Shape | The higher the sphericity, the better |
| Particle Size | Match according to demand |
| Whiteness | Quartz sand is not required, quartz powder > 90 |
| Moisture | Moisture < 0.5% |
7. Domestic Ceramics:
Quartz sand finds application in the production of domestic ceramics such as tiles, sanitaryware, and kitchenware. Its high silica content, thermal stability, and ability to impart desired properties to ceramic products make it an indispensable material in the ceramics industry.
• Level of Purity: Ceramics-grade quartz sand typically exhibits a purity level ranging from 95% to 99%.
• Particle Size Distribution: The particle size distribution of quartz sand for ceramic applications varies depending on the specific requirements of the ceramic products, with controlled grain sizes for optimal molding and firing processes.
| Type | Grade | SiO₂ (%) | Fe₂O₃ + TiO₂ (%) | TiO₂ (%) |
|---|---|---|---|---|
| Block Quartz | 1 | 99 | 0.08 | 0.02 |
| 2 | 98 | 0.15 | 0.03 | |
| 3 | 96 | 0.25 | 0.05 | |
| Quartz Sand | 1 | 98 | 0.1 | 0.03 |
| 2 | 97 | 0.2 | 0.05 | |
| 3 | 95 | 0.4 | 0.1 |
8. Metallurgical Industry:
In the metallurgical industry, quartz sand is utilized in various processes, including iron and steel production, ferroalloy manufacturing, and metal casting. Its refractory properties, chemical inertness, and high melting point make it an ideal fluxing agent and mold material in metallurgical applications.
• Level of Purity: Metallurgical-grade quartz sand typically exhibits a purity level ranging from 95% to 99%.
• Particle Size Distribution: Coarse to medium-grained quartz sand with controlled particle sizes is preferred for metallurgical applications to ensure proper fluxing and molding characteristics.
| Type | SiO₂ (%) | Al₂O₃ (%) | Fe₂O₃ (%) | CaO (%) | Fire Resistance (°C) |
|---|---|---|---|---|---|
| GSN99A | 99.0 | 0.25 | 0.5 | 0.15 | 174 |
| GSN99B | 99.0 | 0.30 | 0.5 | 0.15 | 174 |
| GSN98 | 98.0 | 0.50 | 0.8 | 0.20 | 174 |
| GSN97 | 97.0 | 1.00 | 1.0 | 0.30 | 172 |
| GSN96 | 96.0 | 1.30 | 1.3 | 0.40 | 170 |
9. Super Hard Material:
Quartz sand serves as a precursor material in the production of superhard materials such as synthetic diamonds and abrasives. Through advanced processing techniques, quartz sand can be transformed into high-performance abrasive tools used in cutting, grinding, and polishing applications.
• Level of Purity: Ultra-high purity quartz sand with a purity level exceeding 99.99% is essential for synthesizing superhard materials.
• Particle Size Distribution: Fine-grained quartz sand with precisely controlled particle sizes is utilized in the manufacture of superhard abrasives to achieve desired material properties and performance.
| Green Silicon Carbide | ||
|---|---|---|
| Granularity / mm | Content / % | Color |
| > 4.5 | 0 | White translucent |
| > 3.5 | < 2 | |
| 3.5 - 1.0 | > 85 | |
| 1.0 - 0.5 | < 13 | |
| < 0.5 | 0 | |
| Chemical Element | Content / % | Burning vector |
| SiO₂ | > 99.4 | < 0.3 |
| FeO+Al₂O₃+CaO+MgO | < 0.3 | |
| Black Silicon Carbide | ||
|---|---|---|
| Granularity / mm | Content / % | Color |
| > 3 | 0 | White or grayish white |
| 3 - 1.5 | 65 | |
| 1.5 - 1.0 | 35 | |
| 1.0 - 0.5 | < 5 | |
| < 0.5 | 0 | |
| Chemical Element | Content / % | Burning vector |
| SiO₂ | > 99.3 | < 0.35 |
| FeO+Al₂O₃+CaO+MgO | < 0.35 | |
10. Chemical Industry:
In the chemical industry, quartz sand is employed in various processes, including catalyst support, chromatography, and chemical synthesis. Its chemical inertness, high surface area, and thermal stability make it an ideal substrate and reagent in diverse chemical applications.
• Level of Purity: Quartz sand utilized in chemical applications typically requires a purity level exceeding 95%.
• Particle Size Distribution: Fine to medium-grained quartz sand with tailored particle sizes is employed in chemical processes to ensure efficient catalyst support and reaction kinetics.
| Chemical Element | Quality / % | Particle Size |
|---|---|---|
| SiO₂ | > 99.5 | 0.991mm no |
| Fe₂O₃ | < 0.03 | 0.833mm no |
| Al₂O₃ | 0.01 | 0.5mm < 4% |
| CaO + MgO | < 0.10 | 0.35mm < 25% |
| TiO₂ | < 0.03 | 0.105mm < 5% |
| ZrO₂ | < 0.01 | – |
| Na₂O + K₂O | 0.1 | – |
| Moisture | < 0.10 | – |
| Cr₂O₃ | < 0.001 | – |
Our Product & Service is ready
Whatever the level of support you require, we are sure that
we will have a package that meets your needs.