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SSH ISO 7884-4:2002

Glass — Viscosity and viscometric fixed points — Part 4: Determination of viscosity by beam bending

Jan 1, 2002

General information

60.60     Jan 1, 2002

DPS

DPS/KT 129

International Standard

81.040.01  

English  

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Scope

A method of determining the dynamic viscosity of glass on a rod-shaped test specimen, i.e. a beam, supported at its end is specified. The viscous deflection rate of the beam is measured under given load at the midpoint between the supports. In addition the viscosity-temperature relationship and the dependence of the viscosity on the thermal history of the sample can be determined. The theoretical basis relations and the apparatus including method of measurements are described.

Life cycle

NOW

PUBLISHED
SSH ISO 7884-4:2002
60.60 Standard published
Jan 1, 2002

Related project

Adopted from ISO 7884-4:1987