Status : Published (Under review)

This standard was last reviewed and confirmed in 2023. Therefore this version remains current.
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Abstract

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.

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General information

  • Status
     : Published
    Publication date
     : 2018-07
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 61/SC 5
    ICS :
    83.080.01 
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