Quartz glass
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quartz glass tube/GreatWidely used in laboratory instruments, optoelectronic communications, aerospace, semiconductor, military, metallurgy, building materials, chemical, mechanical, electric power, environmental protection and other fields.
1High purity:SiO2> 99.99%
2High temperature resistance
Softening point temperature:1780℃;
Operating temperature:1100℃;
Short time maximum use temperature:1450C.
3Corrosion resistance
Acid resistance is ceramic30times, stainless steel150times, especially at high temperatures with good chemical stability.
4Good thermal stability
Withstand1100Change from ℃ to normal temperature.
5Good light transmittance
Visible light transmittance in95%Above, especially in the ultraviolet spectral region, the transmittance can reach80%Above.
6health care and environmental protection.
7No bubbles.
8Excellent electrical insulator.
Products are rich, can more effectively meet the needs of professional users in the industry, is a precision glass deep processing experts, including five series of products are as follows:
1. flat, hot bending, bending steel tempered glass series;
2. special glass such as: quartz glass tubular, flake, special-shaped processing and special quartz glass bead series; high borosilicate glass tubular, flake, special-shaped blown glass product series; induction cooker, electric ceramic stove, fireplace, heater with microcrystalline glass series;
3. optical glass cold processing, coated optical glass series; Security cameras, projectors with optical lenses and LOGO lenses and military gun pointing device, glued mirror military series products; Watches, audio with single-piece, double-piece tempered glass series;
4. appliances, smart home panel, lighting, lock card security tempered glass series;
5. diving goggles with flat, myopia lenses, hyperopia lenses, double-focus hyperopia lenses series;
6. processing: water cutting, carving, special-shaped edge grinding, car edge, polishing, sandblasting, silk screen printing, bending steel, film, etc:
7. private customization, to meet customer personalized products.
The above glass series products are widely used in lighting, smart home, smart wear, 5G, 3D printing, electronic scales, home appliances, security products, optical lenses, projectors, UV machines, windows, boilers, flashlights, watches, diving mirrors and other industries.
Quartz glass is made of various pure natural quartz (such as crystal, quartz sand, etc.). The coefficient of linear expansion is very small, which is 1/10~1/20 of ordinary glass, and has good thermal shock resistance. Its heat resistance is very high, often use temperature is 1100 ℃ ~ 1200 ℃, short-term use temperature can reach 1400 ℃. Quartz glass is mainly used in laboratory equipment and special high purity product refining equipment. Because of its high spectral transmission, it will not be damaged by radiation (other glass will be dark after being irradiated by radiation), so it is also an ideal glass for spacecraft, wind tunnel windows and spectrophotometer optical systems.
Quartz glass is a silica single component of special industrial technology glass. The glass hardness can reach Mohs seven, with high temperature resistance, low expansion coefficient, thermal shock resistance, chemical stability and good electrical insulation properties, and can pass through ultraviolet and infrared rays. In addition to hydrofluoric acid, hot phosphoric acid, the general acid has good acid resistance. Transparency is divided into transparent and opaque two categories. According to the purity is divided into high purity, ordinary and doped three categories. With crystal, silica, silicide as raw materials, by high temperature melting or chemical vapor deposition. Melting methods include electric melting method, gas refining method, etc.
The formation of quartz glass is due to the high viscosity of its melt at high temperature. Used in the production of semiconductors, electro-optical sources, semi-conductive communication devices, lasers, optical instruments, laboratory instruments, electrical equipment, medical equipment and high temperature and corrosion-resistant chemical instruments, chemical, electronics, metallurgy, building materials and national defense and other industries, the application is very extensive.
High purity quartz glass can be made of optical fiber. With the development of semiconductor technology, quartz glass is widely used in various processes of semiconductor production. For example, the Czochralski method converts polycrystalline into monocrystalline silicon. Cleaning tank used for cleaning; Diffusion tube and grooving boat used for diffusion; Bell jar used for ion implantation, etc.
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