ISO 6721-10:2025
Current
The latest, up-to-date edition.
Plastics — Determination of dynamic mechanical properties — Part 10: Complex shear viscosity using a parallel-plate and a cone-and-plate oscillatory rheometer
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English
24-04-2025
This document specifies the general principles of a method for determining the dynamic rheological properties of polymer melts at angular frequencies typically in the range of 0,01rads-1 to 100rads-1 by means of an oscillatory rheometer with a parallel-plate or a cone-and-plate geometry. Angular frequencies outside this range can also be used.
The method is applicable for determining values of the following dynamic rheological properties: complex shear viscosityη*, dynamic shear viscosityη', the out-of-phase component of the complex shear viscosity η”, complex shear modulusG*, shear loss modulusG”, shear storage modulusG', phase angle δ, and loss factor tanδ. It is suitable for measuring complex shear viscosity values typically up to ~10MPas.
NOTE The shear loss modulusG´´ is sometimes also called viscous shear modulus and the shear storage modulusG´ is sometimes also called elastic shear modulus.
| DocumentType |
Standard
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| Pages |
20
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
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| Supersedes |
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