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ISO 1409:2020

Plastics/rubber — Polymer dispersions and rubber latices (natural and synthetic) — Determination of surface tension

Aug 21, 2020

General information

90.20     Jan 15, 2025

ISO

ISO/TC 45/SC 3

International Standard

83.040.10     83.080.01  

English   French  

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Scope

This document specifies two methods for the determination of the surface tension of polymer dispersions and rubber latices (natural and synthetic).
— Method A is the ring method (Du Noüy ring method).
— Method B is the plate method (Wilhelmy plate method).
Method A is suitable valid for polymer dispersions and rubber latices with a viscosity less than 200 mPa·s.
Method B is not suitable for polymer dispersions and rubber latices containing cationic surfactants.
Methods A and B are also suitable for prevulcanized latices and compounded material.
In case of dispute, the preferred method is method A (the ring method).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1409:2006

NOW

PUBLISHED
ISO 1409:2020
90.20 Standard under periodical review
Jan 15, 2025

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