ISO 6721-3:2021
Current
The latest, up-to-date edition.
Plastics — Determination of dynamic mechanical properties — Part 3: Flexural vibration — Resonance-curve method
Hardcopy , PDF
French, English
19-02-2021
This document specifies a bending-vibration method based upon resonance curves for determining the flexural complex modulus E*fof homogeneous plastics and the damping properties of laminated plastics intended for acoustic insulation, for example systems consisting of a metal sheet coated with a damping plastic layer, or sandwich systems consisting of two sheet-metal layers with an intermediate plastic layer. For many purposes, it is useful to determine these properties as a function of temperature and frequency.
| Committee |
ISO/TC 61/SC 5
|
| DocumentType |
Standard
|
| Pages |
13
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NF EN ISO 6721-3:2021 | Identical |
| BS EN ISO 6721-3:2021 | Equivalent |
| DIN EN ISO 6721-3:2021-05 | Equivalent |
| I.S. EN ISO 6721-3:2021 | Equivalent |
| UNE-EN ISO 6721-3:2021 | Identical |
| EN ISO 6721-3:2021 | Identical |
| NS-EN ISO 6721-3:2021 | Identical |
| I.S. EN ISO 6721-3:2021 | Identical |
| DS/ISO 4582:2025 | Plastics – Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources |
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