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Glass — Viscosity and viscometric fixed points — Part 8: Determination of (dilatometric) transformation temperature
Automatically translated name:
Glass -- Viscosity and viscometric fixed points -- Part 8: Determination of (dilatometric) transformation temperature
STANDARD published on 26.11.1987
Designation standards: ISO 7884-8:1987
Publication date standards: 26.11.1987
SKU: NS-435320
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: The temperature characterizes a certain glass transition range from the elastic brittle (low temperature) state to the viscous (high temperature) state of glass. It is used for specifying cooling programmes. The transformation temperature is determined by measuring the change in length, related to the length at intial temperature, of a rod made from the glass under test with temperature. The relative change in length is plotted against the temperature (dilatometer curve). From this dilatometer curve the transformation temperature is determined by a graphic procedure as shown in a diagramm.
1.7.1993
1.7.1993
1.7.1993
1.7.1993
1.7.1993
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