Glass — Viscosity and viscometric fixed points — Part 6: Determination of softening point
NORMA vydána dne 26.11.1987
Označení normy: ISO 7884-6:1987
Datum vydání normy: 26.11.1987
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Mezinárodní technická norma
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.