EN ISO 6721-3:2021
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Current
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Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration - Resonance-curve method (ISO 6721-3:2021)
Published date
03-03-2021
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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 |
CEN/TC 249
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 6721-3:2021 | Identical |
| 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 |
| NS-EN ISO 6721-3:2021 | Identical |
| I.S. EN ISO 6721-3:2021 | Identical |
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