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Technical glass

When manufacturing parts and complete products of glass, the right characteristics of the applied glass need to be selected carefully. Nissink Business Glass always has the right advice for everyone as a result of years of experience in each (technical) glass application.


Most important characteristics of technical glass

Technical glass is an umbrella term for a large number of varieties that each contains its own chemical and physical characteristics. 

The most important characteristics can be distinguished as follows:

  • Chemical resistance
  • Thermal expansion rate
  • Optical transmission
  • Utilization temperature
  • Mechanical strength
     

Technical specifications of technical glass

The table below shows these characteristics by means of the most often applied technical types of glass.

 

    Quartz glass Boriumsilicate glass Soda-lime glass Ceramic glass
Characteristics material
Density gr/cm3 2.2 2.23 2.50 2.53
Mechanical characteristics
Elasticity module 1010Pa 7.2 6.3 7.3 9.1
Poisson-factor   0.17 0.20 0.22 0.24
Thermal characteristics
Transformation temperature °C 1050 525 525 -
Thermal expansion 10-6/K .55 3.3 9.1 0.05
Heat conduction capacity W/mK 1.4 1.2 1.1 1.7
Max. utilization temperature °C 1000 500 450 600
Electrical characteristics
Specific resistance at 250°C Ohm/cm 1012 108 107 106

 

Nissink Business Glass has relationships with leading glass manufacturers all over the world, including Schott and Corning. Consequently, our customers are assured of only the highest quality for their applications.