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ISO 12492:2025

Rubber, raw — Determination of water content by Karl Fischer method

Publication date:   Jun 6, 2025

General information

60.60   Standard published   Jun 6, 2025

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

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Scope

This document specifies two test methods for the determination of water content of raw rubber and compounded rubber using a coulometric Karl Fischer titration method:
—     method A uses an evaporator of heating tube type oven;
—     method B uses an evaporator of vial type oven.
It applies to the water content range between 0,01 % and 1 %.
In case of dispute, method B is the preferred method.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 12492:2012

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PUBLISHED
ISO 12492:2025
60.60 Standard published
Jun 6, 2025