Optical instruments are scientific research devices that are used for observation and measurement based on optical principles. Therefore, it is of the utmost importance to select appropriate materials for them. Ultra-high purity quartz has obtained widespread application in optical instruments due to its exceptional physical and chemical properties. This article will analyze the various fields of application for ultra-high purity [...]

    The refractive index of quartz glass is affected by many factors, including its composition, structure and manufacturing process. The following is a discussion of the factors which have an effect on the refractive index of quartz glass and its importance to practical applications for quartz glass.   Composition The refractive index of quartz glass is closely related to its [...]

    Classification of Quartz Crucibles In recent years, the quartz crucible industry in China has experienced rapid development. The quartz crucible, crafted from high-purity quartz sand, boasts exceptional cleanliness, homogeneity, and high-temperature resistance. It is currently extensively utilized in the production processes of crystalline silicon extraction within the solar and semiconductor industries.   This [...]

  The Reasons and Prevent Methods for the Occurrence of Microbubbles on Quartz Crucibles The quartz crucible exhibits translucency and features a dual-layer structure consisting of an outer layer, also referred to as the bubble composite layer, which is opaque with a high bubble content, and an inner layer, known as the bubble-free layer, which [...]

  Precautions for using quartz glass  Quartz glass products are valuable materials and must be handled gently with great care when in use;   All kinds of quartz glass have a limit of applicationtemperature, and when it is used, the temperature should not exceed that limited temperature, otherwise the devitrification or deformation will happen;   Quartz glass to be used at [...]

The differences between quartz glass and ordinary glass   Quartz glass is a special technical glass with a single component of silica. This material exhibits a high degree of hardness, reaching up to Mohs' 7. In addition, it has a range of excellent properties, including high temperature resistance, low coefficient of expansion, thermal shock resistance, good chemical [...]

Factors affecting the quality of quartz glass The performance of quartz glass is primarily influenced by the quality of the raw materials and the manufacturing process. If the purity of the raw materials is insufficient, the produced quartz glass may exhibit a range of defects, including bubbles, air lines, impurities, high hydroxyl content, and severe crystallization. These [...]