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.
General information
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Status: PublishedPublication date: 1987-12Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 8
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Technical Committee :ISO/TC 48/SC 7ICS :81.040.01
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