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ILNAS-EN ISO 12058-1:2018
Edition
08/2018
Plastics - Determination of viscosity using a falling-ball viscometer - Part 1: Inclined-tube method (ISO 12058-1:2018)
Plastics - Determination of viscosity using a falling-ball viscometer - Part 1: Inclined-tube method (ISO 12058-1:2018)
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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.
Status
| Standard - Active |
Origin
| Technical Committee : |
| CEN/TC 249 : Plastics |
Implementation
| start of the vote on the project | 22/03/2018 | date of ratification (dor) | 10/08/2018 | |||
| end of the vote on the project | 12/06/2018 | date of anouncement (doa) | 30/11/2018 | |||
| start of the vote on the final project | 21/05/2019 | date of publication (dop) | 28/02/2019 | |||
| end of the vote on the final project | 16/07/2019 | date of withdrawal (dow) | 28/02/2019 |
|
Publication Official Journal
of the Grand-Duchy of Luxembourg |
17/09/2018 |
| Reference | Mémorial A N° 834 |
Relations
| Relations to older standards |
| ILNAS-EN ISO 12058-1:2002 |
| ILNAS-EN ISO 12058-1:2002/AC:2004 |
| Relations to international standards |
| ISO 12058-1:2018 |
| ISO 12058-1 |
International Classification for Standards (ICS codes) :
| 83.080.01 : Plastics in general |
