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SR ISO 1409:2024

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

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

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Status : Valid
Approval date : 8/20/2024
Number of pages : 4
ICS : 83.040.10 Latex and raw rubber,83.080.01 Plastics in general
Technical Committee : 108 - Plastics, codification and analysis methods

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