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Norm
ISO 7884-1:1987
Ausgabedatum: 1987 11 26
Glass — Viscosity and viscometric fixed points — Part 1: Principles for determining viscosity and viscometric fixed points
Rules a given characterizing glass as a liquid (or liquid-analogue deformable) material. Three ranges of viscosity can be distinguished: melting, working and annealing ra...
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Herausgeber:
International Organization for Standardization
Format:
Digital | 8 Seiten
Sprache:
Englisch
ICS
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.