ISO 1409:2020 PDF
Plastics/rubber — Polymer dispersions and rubber latices (natural and synthetic) — Determination of surface tension
Plastics/rubber — Polymer dispersions and rubber latices (natural and synthetic) — Determination of surface tension
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 12
- Дата публикации:
- 21 августа 2020 г.
- Издание:
- ISO IS 1409 edition 6 version 1
- ICS:
- 83.040.10
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).
Abstract
Overview
ISO 1409:2020 - Plastics/rubber - Polymer dispersions and rubber latices (natural and synthetic) - Determination of surface tension - defines standardized laboratory methods for measuring the surface tension of polymer dispersions and rubber latices. The standard specifies two tensiometric techniques: Method A (Du Noüy ring) and Method B (Wilhelmy plate), with rules for sample preparation, calibration, measurement and result expression. It is applicable to natural and synthetic latices, including prevulcanized and compounded materials.
Key topics and technical requirements
- Two validated methods
- Method A - Du Noüy ring (ring method): preferred in case of dispute; suitable for dispersions/latices with viscosity
Технические детали
- Технический комитет
- ISO/TC 45/SC 3 - Raw materials (including latex) for use in the rubber industry
- SKU
- ISO 1409:2020
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