M00006565
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ISO 3858:2008 Rubber compounding ingredients - Carbon black - Determination of light transmittance of toluene extract
standard by International Organization for Standardization, 09/15/2008
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Availability date: 2021-11-25
ISO 3858:2008 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 may not be applicable to carbon blacks with a high extractable-matter content.