Quartz Glass

Quartz Glass

Category:

Applications

Condenser optics not concerned with scatter or distortion, high temperature and pressure applications, optical flats, microscope slides and sight glasses. Equivalent to Homosil 1,2 & 3 (Heraeus), Dynasil 1000 & 4000 and 5000 & 6000 (Dynasil)

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Description

Quartz glass is a one-component glass (SiO2). It is one of the most valuable materials for both science and industry. There is a distinction between synthetic and natural quartz glass. Synthetic quartz glass is made from pure silicon tetrachloride (SiCl4) following the Flammpyrolyse-method. The raw material of quartz glass is a natural crystal mined from the earth as rock crystal or pegmatite quartz. The raw material is pulverized to a fine-particle granulate and melted to quartz glass in an oxy-hydrogen flame.

Features:

  • Good transmission behavior in ultra-violet, visible and infrared wavelengths
  • High temperature endurance
  • A low coefficient of thermal expansion
  • Good thermal shock resistance
  • Excellent electrical insulation
  • High chemical purity
  • A maximum operating temperature of 1100°C (permanently), or 1300°C (short-time)

Uses:

  • High-temperature processes (high temperature resistance)
  • Semiconductor- and light-industry (purity)
  • Optics (good light transmission in visible, UV and IF wavelengths)
  • Laser technology
  • Electronics and electro-technology (low conductivity, high penetration field strength, low dielectric loss factor)
  • Chemistry and pharmaceutics (chemical resistance, not hygroscopic, chemical purity, thermal shock resistance)

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