Definition of quartz glass and analysis of its characteristics

Quartz glass, as the name suggests, is a special glass made of quartz sand as the main raw material. It is different from the common glass in our daily life, mainly reflected in its composition and performance.

1. Composition and preparation of quartz glass

The main component of quartz glass is silicon dioxide (SiO2), and its content is usually as high as 99.9% or more. This makes quartz glass a high-purity inorganic non-metallic material. The process of preparing quartz glass includes high-temperature melting, refining, molding and annealing. Among them, high-temperature melting is the key link, and it is necessary to ensure that the raw materials are fully melted and evenly mixed.

2. Characteristics of quartz glass

1. High purity: Due to the extremely high content of silicon dioxide in quartz glass, its impurity content is very low, thus ensuring the high purity of quartz glass.

2. Excellent thermal stability: Quartz glass has an extremely high melting point and a low thermal expansion coefficient, which enables it to maintain a stable size and shape in a high temperature environment and is not prone to deformation or cracking.

3. Good chemical stability: Quartz glass has good corrosion resistance to most acids, alkalis and organic solvents, and is suitable for various harsh chemical environments.

4. Excellent optical properties: Quartz glass has high light transmittance and low light absorption coefficient, so it is widely used in the optical field, such as making optical lenses, prisms and window materials.

In summary, quartz glass plays an important role in scientific research, industrial production and daily life with its unique composition and properties. Whether it is used as a laboratory instrument material or used to make high-temperature furnace windows, chemical reaction containers, etc., quartz glass has shown its irreplaceable advantages.