Introduction:
Quartz sand filter material is made of natural quartz ore, crushed, washed and sieved, etc. It is the most widely used water purification material in the water treatment industry.
Features:
No impurities, High pressure and wear resistance, high mechanical strength, stable chemical properties, strong interception capacity, high efficiency, long service life, Application:
1、Glass: The main raw materials for flat glass, float glass, glass products (glass jars, glass bottles, glass tubes, etc.), optical glass, glass fiber, glass instruments, conductive glass, glass cloth and anti-radiation special glass.
2、Ceramics and refractory materials: porcelain billets and glaze, kiln with high-silica bricks, ordinary silica bricks and silicon carbide and other raw materials.
3、Metallurgy: raw materials or additives and fluxes of silicon metal, ferrosilicon alloy and silicon aluminum alloy.
4、Construction: concrete, cementitious materials, road building materials, artificial marble, cement physical property testing materials (cement standard sand).
5、Chemicals: raw materials such as silicon compounds and water glass, fillers of sulfuric acid towers, amorphous silica fine powder.
6、machinery: the main raw materials for casting sand, abrasive materials (blasting, hard grinding paper, sandpaper, abrasive cloth, etc.).
7、Electronics: high-purity metal silicon, communication fiber, etc.
8、Rubber, plastic: filler (improve wear resistance).
9、Paint: filler (improve the acid resistance of the paint).
10、Aerospace and aerospace
Technical parameter:
Items | Index | items | Index |
SiO2% | 99% | Ash | 0.25% |
Moh's hardness | 7 | Porosity | 43% |
Boiling point | 2550℃ | Zn content | 0.005% |
Melting point | 1750℃ | Hydrochloric acid solubility | 0.4% |
Specific gravity | 2.65 | Acid resistance | Strong |
Wear rate | 0.3% | Alkali resistance | Good |
Crush rate | 0.35% | Bulk density | 1.75t/m3 |
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