Active standard | Published: 26/11/1987

ISO 7884-1:1987

Glass — Viscosity and viscometric fixed points — Part 1: Principles for determining viscosity and viscometric fixed points
(Verre — Viscosité et points viscosimétriques fixes — Partie 1: Principes de détermination de la viscosité et des points viscosimétriques fixes)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 7884-1:1987

Publication date: 26/11/1987

Pages: 8

Country: International technical standard

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Anotation

Description / Abstract: Rules a given characterizing glass as a liquid (or liquid-analogue deformable) material. Three ranges of viscosity can be distinguished: melting, working and annealing range. General requirements for measurement and calibration, for apparatus and for sampling are specified. The formulae for calculating the different values are described. In annex A tables for estimating the influence of errors in viscosity and temperature determination and in annex B examples of certified reference glasses are shown.

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