- ProductSilica Sand - SiO2
- Crystal StructureHexagonal (quartz form)
- Density1.3 W/m·K
Introduction to Silica Sand (SiO₂)
Silica Sand (SiO₂), primarily composed of quartz, is one of the most abundant minerals on Earth. It is characterized by its high silicon dioxide content and its granular, crystalline structure. Available in various grades and purity levels, silica sand is highly valued for its physical and chemical properties, including hardness, high melting point, chemical inertness, and transparency to UV and infrared light. These qualities make it an essential raw material for a variety of industries, ranging from construction and glass manufacturing to high-tech electronics.
Applications of Silica Sand
1. Water Treatment Filtration
Function: Silica sand is widely used in water treatment plants for filtering and purifying water. Its granular structure efficiently traps impurities, suspended particles, and contaminants from water, making it suitable for potable and industrial water applications.
Outputs: Clean drinking water, processed water for industrial use, and wastewater treatment.
2. Glass Manufacturing
Function: High-purity silica sand is the primary component in glass production. When combined with other materials and melted at high temperatures, it forms glass products such as windows, bottles, and glassware.
Outputs: Flat glass (windows), container glass (bottles), and specialty glass (optical fibers, lenses).
3. Construction Materials
Function: Silica sand is a key ingredient in producing cement, concrete, and mortar. It provides structural integrity and is used as a filler material in road construction and building projects.
Outputs: Concrete blocks, bricks, paving materials, and cement products.
4. Foundry Casting
Function: In the foundry industry, silica sand is used to make molds and cores for metal casting. Its heat resistance and fine grain size make it ideal for shaping metals into specific forms.
Outputs: Cast metal products such as engine blocks, automotive parts, and machinery components.
5. Hydraulic Fracturing (Fracking)
Function: Silica sand is used as a proppant in hydraulic fracturing, where it is injected into deep rock formations to keep fractures open and allow oil or gas to flow.
Outputs: Increased extraction of oil and natural gas from underground reservoirs.