Glass — Viscosity and viscometric fixed points — Part 6: Determination of softening point
NORMA vydána dne 26.11.1987
Designation standards: ISO 7884-6:1987
Publication date standards: 26.11.1987
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategorie: Technické normy ISO
Description / Abstract: 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.