720376

ISO 7884-4:1987

Glass - Viscosity and viscometric fixed points - Part 4 : Determination of viscosity by beam bending

standard by International Organization for Standardization , 12/01/1987

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Full Description

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.

 

Product Details

Published:
12/01/1987
Number of Pages:
12
File Size:
1 file , 970 KB
Same As:
BS 7034-4:1988
Note:
This product is unavailable in Ukraine, Russia, Belarus