UNE-EN ISO 12058-1:2019
Current
The latest, up-to-date edition.
Plastics - Determination of viscosity using a falling-ball viscometer - Part 1: Inclined-tube method (ISO 12058-1:2018)
Hardcopy , PDF
11-09-2019
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.
| Committee |
CTN 53/SC 6
|
| DocumentType |
Standard
|
| Pages |
15
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| ISO 12058-1:2018 | Identical |
| EN ISO 12058-1:2018 | Identical |
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