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sklademVydáno: 1987
ISO 7884-5:1987
ISO 7884-5:1987-Glass — Viscosity and viscometric fixed points — Part 5: Determination of working point by sinking bar viscometer
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| Označení normy: | ISO 7884-5:1987 |
| Počet stran: | 5 |
| Vydání: | 1 |
| Vydáno: | 1987 |
| Jazyk: | Anglicky |
| Počet stran (Anglicky): | 5 |
DESCRIPTION
ISO 7884-5:1987
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.