Active standard | Published: 26/11/1987

ISO 7991:1987

Glass — Determination of coefficient of mean linear thermal expansion
(Verre — Détermination du coefficient moyen de dilatation linéaire)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 7991:1987

Publication date: 26/11/1987

Pages: 7

Country: International technical standard

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Anotation

Description / Abstract: 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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