SR EN ISO 1628-1:2021

Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 1: General principles (ISO 1628-1:2021)

This document defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K‑value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement. This document is used to develop standards for measuring the viscosities in solution of individual types of polymer. It is also used to measure and report the viscosities of polymers in solution for which no separate standards exist.

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General information

Status : Withdrawn
Approval date : 5/31/2021
Withdrawal date : 6/30/2025
Number of pages : 26
ICS : 83.080.01 Plastics in general
Technical Committee : 108 - Plastics, codification and analysis methods

Relations with other standards:

Replaces SR EN ISO 1628-1:2009
Replaces SR EN ISO 1628-1:2009/A1:2012
Replaced by SR EN ISO 1628-1:2025