About us

Donghai Feiguan Quartz Products Co., Ltd. welcomes your consultation to sell directly from the factory, create high-quality quartz products, and create a world brand. Quartz products of different sizes can be customized.


Uses: used in the production of semiconductors, electric light sources, semiconductor communication devices, lasers, optical instruments, laboratory instruments, electrical equipment, medical equipment and high temperature and corrosion resistant chemical instruments, chemical industry, electronics, metallurgy, building materials and national defense and other industries , is widely used.


My company purpose: quality assurance, reasonable price. Welcome new and old customers to inquire for common development. Warmly welcome Chinese and foreign merchants to patronize!


Donghai Feiguan Quartz Products Co., Ltd. welcomes your inquiry


Quartz glass has a series of excellent physical and chemical properties as follows:

1. The softening point temperature of high temperature resistant quartz glass is 1730 degrees Celsius, which can be used for a long time at 1200 degrees Celsius, and the short-term use temperature can reach 1450 degrees Celsius.

2. Corrosion resistance In addition to hydrofluoric acid, quartz glass hardly reacts chemically with other acid materials. Its acid resistance is 30 times that of ceramics and 150 times that of stainless steel, especially its chemical stability at high temperature, which is better than any other Engineering materials are incomparable. 3. Good thermal stability Quartz glass has a very small expansion coefficient and can withstand severe temperature changes. It will not burst when heated to 1100 degrees Celsius and placed in normal temperature water.

4. Good light transmission Quartz glass has good light transmission performance in the entire spectral band from ultraviolet to infrared, and the visible light transmittance is above 93%, especially in the ultraviolet spectral region, the transmittance can reach above 80%.

5. Good electrical insulation performance The resistance value of quartz glass is equivalent to 10,000 times that of ordinary glass. It is an excellent electrical insulation material and has good electrical properties even at high temperatures.

6. Low hydroxyl quartz glass tube

7. The low-hydroxyl quartz glass tube produced by the advanced continuous melting method has the characteristics of high purity, high transmittance, clear appearance and low hydroxyl content. The hydroxyl content can be controlled according to customer requirements.


Main business: deep processing, special-shaped quartz square cylinder, quartz cleaning tank, quartz pickling tank, quartz condenser, quartz glass triangular flask, quartz glass measuring cup, quartz float, quartz test tube, quartz glass flat pool, quartz sleeve, quartz boat , Quartz rod, Quartz observation window, Quartz smoke nail, Quartz polishing sheet, Quartz plate, Quartz ring, Quartz crucible, Quartz instrument, Optical quartz glass sheet, Quartz flange ring, Quartz elbow, Diffusion furnace tube, Low pressure furnace tube, Spherical quartz tube, etc.

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Contact: quartz

Phone: +86 18552255226

Tel: +86 18552255226

E-mail: xufei199202@outlook.com

Add: China Jiangsu Lianyungang Donghai Feiguan Quartz Products Co., Ltd.