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ISO 7884-5:1987

Glass — Viscosity and viscometric fixed points — Part 5: Determination of working point by sinking bar viscometer

Standard Details

The specified method is suitable for characterizing the low-viscosity range of glass working: A vertically positioned narrow metal rod, i.e. the bar, is allowed to sink under its own weight into the melt. From the rate of sinking the dynamic viscosity is calculated. The teoretical basis relation and the apparatus including method of measurements are described.

General Information

Status : Published
Standard Type: Main
Document No: ISO 7884-5:1987
Document Year: 1987
Pages: 5
Edition: 1

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ISO 7884-5:1987
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