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ISO 7991:1987

Glass -- Determination of coefficient of mean linear thermal expansion

Üldinfo
Kehtiv alates 26.11.1987
Tegevusala (ICS grupid)
81.040.01 Klaas üldiselt
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
26.11.1987
Põhitekst
The method deals with the measurement of the change of length of a glass fibre under specified conditions. The apparatus including the used dilatometers and the possibilities of corretion, the formulae for the final length and the expansion coefficient are specified. In the annex, devices for self-adjusting alignment of specimen and push-rod axis are described and illustrated.
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