High SiO2 content in quartz stone, with fewer impurities. Quartz sand characteristics: quartz hardness of 7, specific gravity of 2.65, colors ranging from milky white, pale yellow, brown to gray. Quartz has high refractory properties with a melting point of 1730 degrees Celsius. Mainly used for processing quartz sand and quartz powder.
Quartz powder is produced by crushing and screening quartz ore. Quartz sand (powder) is primarily used as a key raw material in industries such as glass, ceramics, enamelware, thermos bottles, sodium silicate, casting, building materials, grinding, refractory materials, water filtration, military, and communication.
Quartz sand is a hard, wear-resistant, and chemically stable silicate mineral, primarily composed of SiO2. It is milky white or colorless and translucent, with a hardness of 7, brittle without cleavage, and a conchoidal fracture. It has an oily luster, a relative density of 2.65, and exhibits significant anisotropy in its chemical, thermal, and mechanical properties. It is insoluble in acid, slightly soluble in KOH solution, and has a melting point of 1750°C. The colors include milky white, pale yellow, brown, and gray, with quartz demonstrating high refractory properties.
The unique physical and chemical properties of quartz sand place it in a crucial position in the aerospace, electronics, mechanical, and rapidly evolving IT industries. Its intrinsic molecular chain structure, crystal shape, and lattice variation patterns confer on it properties such as high-temperature resistance, low thermal expansion coefficient, high insulation, corrosion resistance, piezoelectric effect, resonance effect, and distinctive optical characteristics, which are increasingly playing significant roles in many high-tech products.
Product Applications:
Manufacture glass, refractory materials, smelting silicon iron, metallurgical flux, ceramics, abrasive materials, casting. Quartz is utilized in construction for its strong resistance to acidic medium erosion, used to produce acid-resistant concrete and mortar. Quartz sand, as the core raw material for silicon, plays an indispensable fundamental role in the production and supply of silicon raw materials.
