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ČSN EN ISO 6721-2 (640615)
Plastics - Determination of dynamic mechanical properties - Part 2: Torsion-pendulum method
Translate name
STANDARD published on 1.12.2019
The information about the standard:
Designation standards: ČSN EN ISO 6721-2
Classification mark: 640615
Catalog number: 508422
Publication date standards: 1.12.2019
SKU: NS-977099
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 6721-2 (640615):
This document specifies two methods (A and B) for determining the linear dynamic mechanical properties of plastics, i.e. the storage and loss components of the torsional modulus, as a function of temperature, for small deformations within the frequency range from 0,1 Hz to 10 Hz. NOTE - The temperature dependence of these properties, measured over a sufficiently broad range of temperatures (for example from -50 °C to +150 °C for most commercially available plastics), gives information on the transition regions (for example the glass transition and the melting transition) of the polymer. It also provides information concerning the onset of plastic flow. The two methods described are not applicable to non-symmetrical laminates (see ISO 6721-3). The methods are not suitable for testing rubbers, for which the user is referred to ISO 4664-2
Preview of the standard ČSN EN ISO 6721-2 (640615)
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