0

ISO/DIS 7781-2

Styrene-butadiene rubber, raw — Soap and organic-acid content — Part 2: Qualitative analysis ISO/DIS 7781-2

General information

40.20   DIS ballot initiated: 12 weeks   Jul 6, 2026

ISO

ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry

International Standard

83.040.10   Latex and raw rubber

Scope

This document specifies a method for the qualitative analysis of the organic acids in raw emulsionpolymerization styrene-butadiene rubber (E-SBR) using a gas chromatograph combined with mass spectrometer (GC-MS).
It is applicable to the identification of fatty acids and rosin acids (including disproportionated rosin acids).
The determination of the soap and organic-acid content of raw styrene-butadiene rubber (SBR) is specified in ISO 7781:2017.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 7781-2
40.20 DIS ballot initiated: 12 weeks
Jul 6, 2026




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version