Lead Glass SCHOTT 8100

Alternative and trade names
SCHOTT 8100
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Description

Sealing glasses in general with 33.5% PbO, electrically highly insulating and highly x-ray-absorbing.

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

PropertyTemperatureValue

Density

23.0 °C

3.28 g/cm³

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Thermal

PropertyTemperatureValueComment

Annealing temperature

465 °C

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Viscosity 10¹³ dPa.s (ISO 7884-4)

Coefficient of thermal expansion

23.0 °C

9.6E-6 1/K

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mean value for 20-300 °C - ISO 7991

Glass transition temperature

465 °C

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ISO 7884-8

Softening temperature

655 °C

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Viscosity 10⁷·⁶ dPa.s (ISO 7884-3)

Working temperature

960 °C

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Viscosity 10⁴ dPa.s (ISO 7884-2)

Optical

PropertyValueComment

Refractive index

1.6 [-]

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at λ=587.6 nm

Technological properties

Property
Application areas

TV tubes

Corrosion properties

Hydrolytic resistance Class HGB3 (ISO 719)