This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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.
Status : PublishedPublication date : 1987-12
Edition : 1Number of pages : 8
Technical Committee:Laboratory equipment
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