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.

Properties

General

Density

ρ

3.28 g/cm³ at 20 °C

Thermal

Annealing temperature

Tanneal

465 °C

Viscosity 10¹³ dPa.s (ISO 7884-4)

Coefficient of thermal expansion

α

9.6E-6 1/K at 20 °C

mean value for 20-300 °C - ISO 7991

Glass transition temperature

Tg

465 °C

ISO 7884-8

Softening temperature

Tsoftening

655 °C

Viscosity 10⁷·⁶ dPa.s (ISO 7884-3)

Working temperature

Tworking

960 °C

Viscosity 10⁴ dPa.s (ISO 7884-2)

Optical

Refractive index

nd

1.6 [-]

at λ=587.6 nm

Technological properties

Application areas

TV tubes

Corrosion properties

Hydrolytic resistance Class HGB3 (ISO 719)

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.