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ISO 1409:2020

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

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Kehtiv alates 21.08.2020
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Staatus
Kuupäev
Tüüp
Nimetus
21.08.2020
Põhitekst
14.09.2006
Põhitekst
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).
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