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download between 0-24 hoursReleased: 1987
ISO 7884-1:1987
ISO 7884-1:1987-Glass — Viscosity and viscometric fixed points-Part 1: Principles for determining viscosity and viscometric fixed points
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Standard´s number: | ISO 7884-1:1987 |
Pages: | 8 |
Edition: | 1 |
Released: | 1987 |
Language: | English |
DESCRIPTION
ISO 7884-1:1987
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.