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  • BSI
    19/30382560 DC BS ISO 1409. Plastics/rubber. Polymer dispersions and rubber latices (natural and synthetic). Determination of surface tension
    Edition: 2019
    $44.66
    / user per year

Description of 19/30382560 DC 2019

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. To achieve this, the dispersion or latex is diluted with water to a mass fraction of total solids of 40 %. If necessary, the solids content is further reduced to ensure that the viscosity is under the specified limit.

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).



Standard Number19/30382560 DC
TitleBS ISO 1409. Plastics/rubber. Polymer dispersions and rubber latices (natural and synthetic). Determination of surface tension
StatusDefinitive
Publication Date2019-08-05
Identical National Standard OfISO/DIS 1409
DescriptorsSynthetic rubber, Viscosity, Plastics, Physical property measurement, Testing conditions, Dispersions (chemical), Latices, Rubber, Polymers, Surface tension, Natural rubber
ICS83.080.01 Plastics in general, 83.040.10 Latex and raw rubber
CommitteePRI/50
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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