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SFS-EN ISO 6721-3:2021:en
Plastics. Determination of dynamic mechanical properties. Part 3: Flexural vibration. Resonance-curve method (ISO 6721-3:2021)
Soveltamisala
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This document specifies a bending-vibration method based upon resonance curves for determining the flexural complex modulus E*f of 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.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
This document specifies a bending-vibration method based upon resonance curves for determining the flexural complex modulus E*f of 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.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
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Sidokset
Velvoittavat viittaukset
ISO 1183-1:2019 Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pycnometer method and titration method
ISO 1183-2:2019 Plastics -- Methods for determining the density of non-cellular plastics -- Part 2: Density gradient column method
ISO 1183-3:1999 Plastics -- Methods for determining the density of non-cellular plastics -- Part 3: Gas pyknometer method
ISO 1183-2:2019 Plastics -- Methods for determining the density of non-cellular plastics -- Part 2: Density gradient column method
ISO 1183-3:1999 Plastics -- Methods for determining the density of non-cellular plastics -- Part 3: Gas pyknometer method
Tekninen komitea
Vahvistuspäivä
12.03.2021
Julkaisupäivä
16.03.2021
Painos
2
Sivumäärä
18
Julkaisun kieli
englanti