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Homepage>BS ISO 1409:2020 Plastics/rubber. Polymer dispersions and rubber latices (natural and synthetic). Determination of surface tension
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sklademVydáno: 2020-08-24
BS ISO 1409:2020 Plastics/rubber. Polymer dispersions and rubber latices (natural and synthetic). Determination of surface tension

BS ISO 1409:2020

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

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Označení normy:BS ISO 1409:2020
Počet stran:20
Vydáno:2020-08-24
ISBN:978 0 539 02167 7
Status:Standard
DESCRIPTION

BS ISO 1409:2020


This standard BS ISO 1409:2020 Plastics/rubber. Polymer dispersions and rubber latices (natural and synthetic). Determination of surface tension is classified in these ICS categories:
  • 83.080.01 Plastics in general
  • 83.040.10 Latex and raw rubber

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).