Pure quartz sand \ natural quartz sand \ Guangdong quartz sand \ Guangzhou quartz sand

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Quartz (quartz rock), also known as silica, is a hard, wear-resistant, chemically stable silicate minerals. In nature quartz sandstone, quartzite and quartz veins exist. Quartz sandstone is consolidated rock debris, detrital quartz content of more than 95%, 2 Source Editors fine quartz sand from a variety of igneous rocks, sedimentary and metamorphic rocks, less heavy minerals, associated minerals feldspar, mica and clay minerals. Quartzite points sedimentary and metamorphic two, the boundaries of the former detrital grains and cements obvious, which refers to the degree of metamorphism deep, pure quality quartzite ore. Quartz is formed from hydrothermal, composed almost entirely of quartz, compact block construction. 3 content editor quartz sand in a large change in mineral content, dominated by quartz, followed by feldspar, mica, debris, heavy minerals, clay minerals. 4 Physical and chemical properties Edit quartz sand is a hard, stable wear and chemical properties of silicate minerals, the main mineral component of SiO2, quartz sand color is white or colorless, translucent, hardness 7, no brittle cleavage, conchoidal fracture, oil sheen, a density of 2.65 and a bulk density (1.6 to 2.0 mesh), 20-200 mesh of 1.5, its chemical, thermal and mechanical properties have obvious anisotropy, do not dissolve in acid, slightly soluble in KOH solution, melting point 1750 ℃. The main specifications of quartz sand: quartz sand common specifications: 0.5-1mm, 1-2mm, 2-4mm, 4-8mm, 8-16mm, 16-32mm, 10-20 mesh, 20-40 mesh, 40-80 mesh , 100-120 mesh 5 applications Editing ordinary quartz sand sand by the unique physical and chemical properties, so that it occupies a pivotal in aviation, aerospace, electronics, machinery, and today's rapid development of IT industry in the position, in particular its internal structure, crystal shape and lattice changes the molecular chain, it has a high temperature, thermal expansion coefficient is small, highly insulated, corrosion resistance, piezoelectric effect, resonance effect and its unique optical properties, to play in a number of high-tech products an increasingly important role. Quartz sand is an important industrial mineral raw materials, non-hazardous chemicals, widely used in glass, foundry, ceramics and refractories, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemicals, plastics, rubber, abrasive and other industries. Can motor, rail transport, water transport. Industrial production is generally 50KG or 25KG packaging and export tons of bags. Common Specifications: 0.5-1.0mm 0.6-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm (mm mm single-purity quartz sand bits). The main raw flat glass, float glass, glass products (glass jars, glass bottles, glass, etc.), optical glass, glass fibers, glass equipment, conductive glass, glass cloth and anti-rays and other specialty glass: a glass. Raw billet and glaze porcelain, with a high silica brick kiln, ordinary brick and silicon carbide, etc.: Second, ceramics and refractories. Third, Metallurgy: silicon metal, silicon and silicon alloy aluminum and other raw materials or additives, flux four buildings: concrete, cementitious material, road building materials, artificial marble, cement physical properties of test materials (ie cement standard sand), five CHEMICAL: silicon compounds and water glass and other raw materials, sulfuric acid tower filler, amorphous silica dioxide Six machinery: the main raw material for foundry sand, abrasive material (sand, hard abrasive paper, sandpaper, emery cloth, etc.) Seven , e: high-purity silicon metal, communication with the other eight fiber, rubber, plastics: fillers (can improve the wear resistance)