ISO 7884-6:1987 Preview

Glass -- Viscosity and viscometric fixed points -- Part 6: Determination of softening point

The temperatur above which the glass is capable of most forming operations is determined by measuring the elongation of a round glass fibre under its own weight. Closely defines requirements for the test specimen, procedure and apparatus lead to optimum repeatability of the specified temperature point. The furnace is specified with essential aspects.


General information

  • Current status : Published
    Publication date : 1987-11
  • Edition : 1
    Number of pages : 6
  • :
    ISO/TC 48/SC 5
    Quality of glassware
  • 81.040.01
    Glass in general

Buy this standard

Format Language
PDF
Paper
  • CHF38

Got a question?

Check out our FAQs


Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)