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Homepage>BS Standards>83 RUBBER AND PLASTICS INDUSTRIES>83.080 Plastics>83.080.01 Plastics in general>BS EN ISO 12058-1:2018 Plastics. Determination of viscosity using a falling-ball viscometer Inclined-tube method
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immediate downloadReleased: 2018-08-31
BS EN ISO 12058-1:2018 Plastics. Determination of viscosity using a falling-ball viscometer Inclined-tube method

BS EN ISO 12058-1:2018

Plastics. Determination of viscosity using a falling-ball viscometer Inclined-tube method

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Standard number:BS EN ISO 12058-1:2018
Pages:14
Released:2018-08-31
ISBN:978 0 580 52275 8
Status:Standard
DESCRIPTION

BS EN ISO 12058-1:2018


This standard BS EN ISO 12058-1:2018 Plastics. Determination of viscosity using a falling-ball viscometer is classified in these ICS categories:
  • 83.080.01 Plastics in general

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.