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Standard

ISO 12058-1:2018

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Forhåndsvisning

Rettelser og tillegg kjøpes separat.

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Omfang

This document specifies the general principles of a method, using an inclined‑tube falling‑ball viscometer, for determining the viscosity of polymers and resins in the liquid emulsified or dispersed state. It is intended for application to liquids over a viscosity measurement range of 0,6 mPa·s to 250 000 mPa·s (temperature range −20 °C to +120 °C) for which the shear stress and shear rate are proportional, i.e. the viscosity is independent of the shear rate. This ideal behaviour is commonly known as Newtonian behaviour. If a liquid differs significantly from this behaviour, different results can be obtained with the different balls of a falling‑ball viscometer or from viscometers with different geometries, such as capillary and rotational viscometers.

Dokumentinformasjon

  • Standard fra ISO
  • Publisert:
  • Utgave: 2
  • Versjon: 1
  • Varetype: IS
  • Products.Specs.pages
  • ICS 83.080.01
  • ISO TC ISO/TC 61/SC 5

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