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BSI BS EN ISO 12058-1:2018

Plastics. Determination of viscosity using a falling-ball viscometer -- Inclined-tube method
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BSI BS EN ISO 12058-1:2018

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

PUBLISH DATE 2018
PAGES 14
BSI BS EN ISO 12058-1:2018

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 0,6Ā mPaĀ·s to 250Ā 000Ā mPaĀ·s (temperature range āˆ’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.

SDO BSI: British Standards Institution
Document Number ISO 12058-1
Publication Date Aug. 31, 2018
Language en - English
Page Count 14
Revision Level
Supercedes
Committee PRI/21
Publish Date Document Id Type View
Aug. 31, 2018 BS EN ISO 12058-1:2018 Revision
Feb. 1, 2003 BS EN ISO 12058-1:2002 Revision
Jan. 1, 1997 BS ISO 12058-1:1997 Revision
Nov. 30, 2009 BS EN ISO 12058-1:2002 Consolidated