ISO 12058-1:2018
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ISO 12058-1:2018
74985
No disponible en español

Estado : Publicado (En proceso de revisión)

Esta norma se revisó y confirmó por última vez en 2023. Por lo tanto, esta versión es la actual.
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Formato Idioma
std 1 63 PDF + ePub
std 2 63 Papel
  • CHF63
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Resumen

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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Informaciones generales

  •  : Publicado
     : 2018-07
    : Norma Internacional confirmada [90.93]
  •  : 2
     : 7
  • ISO/TC 61/SC 5
    83.080.01 
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