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BSI
BS 7034-1:1988

BS 7034-1:1988

Current

Current

The latest, up-to-date edition.

Viscosity and viscometric fixed points of glass Recommendations for use in the determination of viscosity and viscometric fixed points

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-1989

Publisher

British Standards Institution

National foreword
Committees responsible
Recommendations
0 Introduction
1 Scope and field of application
2 Reference
3 Definitions
4 Viscosity-temperature relationships
5 Principles of measurement and calibration
6 Apparatus
7 Glass under test
8 Test report
Annexes
A Tables for estimating the influence of errors in
   viscosity or temperature determination
B Examples of certified reference glasses for
   viscometric calibration
C Bibliography
Tables
1 Relative change (delta eta)/eta and delta log eta in
   the viscosity corresponding to a change in
   temperature of - 1 deg C
2 Influence on error introduced by rounding constants
   A, B and C
3 Certified reference glasses for glass viscosity
4 Certified reference glasses for glass viscometric
   fixed points

Gives rules for characterizing glass as a liquid material with respect to its dynamic viscosity and viscosity-temperature relationship, if it behaves as a Newtonian fluid. Covers references, definitions, viscosity-temperature relationship, principles of measurement and calibration, apparatus, glass under test and test report.

This part of ISO 7884 gives rules for characterizing glass as a liquid (or liquid-analogue deformable) material with respect to its dynamic viscosity η and viscosity-temperature relationship, if it behaves as a Newtonian fluid.

NOTE Non-Newtonian behaviour may be observed sometimes in opaque glasses, vitreous enamels or highly crystallizing glasses (glass ceramics).

Committee
LBI/1/2
DevelopmentNote
Supersedes 86/51625 DC. Also numbered as ISO 7884-1. (09/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current

BS 7034-4:1988 Viscosity and viscometric fixed points of glass Method for the determination of viscosity by beam bending
BS 7034-2:1988 Viscosity and viscometric fixed points of glass Method for the determination of viscosity by rotation viscometers
BS 7034-3:1988 Viscosity and viscometric fixed points of glass Method for the determination of viscosity by fibre elongation viscometer
BS 7034-6:1988 Viscosity and viscometric fixed points of glass Method for the determination of softening point
BS 7034-7:1988 Viscosity and viscometric fixed points of glass Method for the determination of annealing point and strain point by beam bending
BS 7034-5:1988 Viscosity and viscometric fixed points of glass Method for the determination of working point by sinking bar viscometer

BS 4937-7:1974 International thermocouple reference tables Platinum-30% rhodium/platinum-6% rhodium thermocouples. Type B

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Hardcopy - English
PDF - English
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