Standard

ISO 3146:2022

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Merknad: Denne standarden har en ny utgave: ISO 3146:2022

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This document specifies two methods for evaluating the melting behaviour of semi-crystalline polymers. a) Method A: Capillary tube This method is based on the changes in shape of the polymer. It is applicable to all semi-crystalline polymers and their compounds. NOTE 1   Method A can also be useful for the evaluation of the softening of non-crystalline solids. b) Method B: Polarizing microscope This method is based on changes in the optical properties of the polymer. It is applicable to polymers containing a birefringent crystalline phase. It might not be suitable for plastics compounds containing pigments and/or other additives which can interfere with the birefringence of the polymeric crystalline zone. NOTE 2   Another method applicable to semi-crystalline polymers is described in ISO 11357‑3.

Dokumentinformasjon

  • Standard fra ISO
  • Publisert:
  • products.specs.Expires:
  • Utgave: 4
  • Versjon: 1
  • Varetype: IS
  • ICS 83.080.01
  • ISO TC ISO/TC 61/SC 5

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