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Quartz sandis a hard, wear-resistant and chemically stablesilicate mineral, and itsmain mineralcomponent isSiO2 . Quartz sand comes in a variety of colors, often milky white, colorless and gray. Its hardness is7, it is brittle and has nocleavage, with aconchoidal fracture. It has agreasy luster, and its density is2.65 g/ cm³. Its chemical, thermal and mechanical properties show obviousanisotropy. It is insoluble in acids and slightly soluble inKOH solution, with a melting point of1750℃. It hasPiezoelectricity.
Quartz is one of the most widely distributed minerals on the Earth's surface. There are various types of quartz. The ones used as raw materials for daily-use ceramics includeVein quartz,Quartz sand,Quartzite, sandstone,Silica,Opal,Diatomite, etc. It is a substance that "comes from the same womb" as ordinary sand and crystal. When silicon dioxide is perfectly crystallized, it becomes crystal.Silicon dioxideAfter gelatinization and dehydration, it becomesagate. When the silica-containing colloid solidifies, it becomes opal. When the silica crystal grains are less than a few micrometers, they formchalcedony,
Its uses are also quite extensive. As far back as the Stone Age, people used it to makestone axes,stone arrows and other simple production tools to hunt for food and fight against enemies [2] .Quartz clocks, in electronic devices, usepiezoelectric quartzThe slices are used as standard frequencies.MoltenThe glass made after melting can be used to make optical instruments, glasses, glass tubes and other products. It can also be used as industrial raw materials for bearings of precision instruments, abrasive materials, glass ceramicsetc.
Shaoyang Zhongcai Manufacturing Co., Ltd.It is located on the banks of the Zijiang River, in the historical city of Shaoyang, with unique geographical conditions and convenient water and land transportation. It independently produces and sells natural quartz sand and quartz powder , which are mainly used in casting, filter materials and dust removal etc. It has rich ore sources, which are naturally formed by impact. The original sand has high quality and good sand quality, with the advantages of full particles, compression resistance, wear resistance, high temperature resistance, good adsorption, etc. Through careful screening and strict testing, the silica sand series products sold are well - received by users and are reliable auxiliary materials for the mechanical casting industry and acid - and alkali - resistant projects.
The quartz sand of our company has round and smooth colors, full particles, and does not contain harmful elements to the human body such as sulfur and mercury. It is a good filtering sand for tap water.
The quartz powder of Shaoyang Zhongcai Manufacturing Co., Ltd. has high whiteness and high quartz content, and is a good building material.
Main products: Quartz sand filter media for water treatment, gravel support layer, foundry sand, oilfield pressure sand, sand for anti-corrosion and waterproofing.
I. Physical and chemical properties:
Crushing rate≤0.27% Breakage rate＜0.28% Density≥2.63 g/cm³ Clay content≤0.25%
Light material content≤0.02% Hydrochloric acid solubility rate＜0.2% Loss on ignition＜0.18%
II. Product features:
1 High silicon content (≥98.8%) 2 Compressive strength (＞1034kg/cm²) 3 High concentration rate (＞90%)
4 Strong adsorption 5 Precise screening 6 Stable chemical properties (iron content %, no toxic substances.
III. Scope of application
Common rapid filter, valveless filter, three-valve filter, siphon filter, V-type filter, double and triple media filters, coarse media reverse granularity filter, pressure water purifier, filter tank, chemicals, anti-corrosion, petroleum, metallurgy, thermoelectricity, papermaking, printing and dyeing sewage treatment plants and other industries' required filter media and materials.
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