Physical and Chemical Properties
- Stability: High-purity quartz sand is a neutral inorganic filler, free of crystalline water, and does not participate in the chemical reactions of the material being filled. It boasts an extremely high level of chemical stability.Hydrofluoric AcidNot soluble in any other acids.
- High-temperature resistance: Can withstand temperatures up to 1200℃ or higher, and is a transparent refractory material.
- Coefficient of thermal expansion: Low coefficient of thermal expansion, only 5.5×10^-7/℃ between 0～1000℃.
- Transparency: Excellent light transmission properties, allowing UV, visible light, and infrared rays to pass through effectively.
- Electrical Insulation: Excellent electrical insulation properties; at 20°C, the resistivity is 10^18 Ω/cm, and the insulation strength is 250 kV/cm.
Application Fields
High-purity quartz sand, due to its excellent physical and chemical properties, is widely used in various fields:
Semiconductor Industry: A key raw material for producing high-quality semiconductor materials, used in the manufacturing of transistors, oscillators, sensors, optical fibers, and other critical components.
3. Photovoltaic Industry: Used in the production of quartz crucibles, it is a primary auxiliary consumable material for manufacturing polycrystalline silicon and monocrystalline silicon.
4. Optical Industry: Used for producing high-precision optical components, such as optical devices, lenses, and optical windows.
5. Chemical Industry: Used for manufacturing chemical reactors and pipelines, as well as the liners for high-temperature reactors and pipelines.
6. Glass Industry: As one of the main raw materials for glass, it enhances the hardness and durability of glass, and is also used in the production of high-temperature glass, optical glass, and chemical glass, etc.
7. Ceramic Industry: Used for producing various high-temperature-resistant ceramics and electronic components.
8. Construction Industry: Used for manufacturing high-performance concrete, refractory materials, abrasion-resistant materials, corrosion-resistant materials, etc.
