ISO 7884-1:1987 Preview

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 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

  • Current status : Published
    Publication date : 1987-11
  • Edition : 1
    Number of pages : 8
  • :
    ISO/TC 48/SC 5
    Quality of glassware
  • 81.040.01
    Glass in general

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