Standard

ISO 12058-1:2018

Jul 2018 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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Standard from ISO
Published: July 12 2018
Edition: 2
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 83.080.01
International TC: ISO/TC 61/SC 5

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Adopted by: SN EN ISO 12058-1:2019
Adopted by: NF EN ISO 12058-1:2018
Revises: ISO 12058-1:1997

ISO 12058-1:2018

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ISO 12058-1:2018

ISO 12058-1:1997

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ISO 12058-1:2018

ISO 12058-1:1997

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