Borosilicate Glass SCHOTT GS20

Alternative and trade names
SCHOTT GS20
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Description

Sealing glasses in general.

This material data has been provided by Schott Glass Tubing.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValue

Density

2.22 g/cm³

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Thermal

PropertyValueTesting StandardComment

Annealing temperature

730.0 °C

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ISO 7884-4

Viscosity 10¹³·² dPa.s

Coefficient of thermal expansion

1.9e-06 1/K

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ISO 7991

mean value for 20-300 °C

Softening temperature

1175.0 °C

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ISO 7884-3

Viscosity 10⁷·⁶ dPa.s

Specific electrical resistance temperature

465.0 °C

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For ρ = 10⁸ Ω·cm

Strain temperature

645 °C

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ISO 7884-4

Viscosity 10¹⁴·⁷ dPa.s

Working temperature

1680.0 °C

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ISO 7884-3

Viscosity 10⁴ dPa.s

Electrical

PropertyTemperatureValue

Electrical resistivity

250 °C

0.01 Ω·m

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350 °C

0.0097 Ω·m

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Technological properties

Property
Application areas

Electronic Components, Signal intensifier, detector and (fibre-) optics (other Electrotechnology/Electronics).