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ISO 3858:2018

Rubber compounding ingredients — Carbon black — Determination of light transmittance of toluene extract

Publication date:   Jun 4, 2018

General information

90.93   Standard confirmed   Sep 8, 2023

ISO

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

International Standard

83.040.20   Rubber compounding ingredients

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Scope

This document specifies a method for the determination of the light transmittance of the toluene extract from carbon black for use in the rubber industry, as a means of measuring the discolouration caused by the extractable matter.
The light transmittance value provides an estimate of the degree of discolouration caused by the toluene-extractable matter present on the surface of the carbon black.
This method might not be applicable to carbon blacks with a high extractable-matter content.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3858:2008

NOW

PUBLISHED
ISO 3858:2018
90.93 Standard confirmed
Sep 8, 2023