This standard was last reviewed and confirmed in 2010. Therefore this version remains current.
Abstract Preview
A method of determining the dynamic viscosity of glass on a rod-shaped test specimen, i.e. a beam, supported at its end is specified. The viscous deflection rate of the beam is measured under given load at the midpoint between the supports. In addition the viscosity-temperature relationship and the dependence of the viscosity on the thermal history of the sample can be determined. The theoretical basis relations and the apparatus including method of measurements are described.
General information
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Status : PublishedPublication date : 1987-11
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Edition : 1Number of pages : 12
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- ICS :
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Glass in general
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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now under review
ISO 7884-4:1987
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