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JIS K 6218-4:2011

JIS K 6218-4:2011

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Carbon black for rubber industry – Secondary characteristics – Part 4: Determination of light transmittance of toluene extract

Published By Publication Date Number of Pages
JIS 2011-03-22 15
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This Standard specifies a method for the determination of light transmittance of toluene extract from carbon black which is used for the rubber compounding ingredients (hereafter referred to as the "carbon black") among secondary characteristics thereof.

NOTE 1 The light transmittance of toluene extract means the degree of discolouration caused by the toluene-extractable matter present on the surface of the carbon black.

NOTE 2 The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 3858 : 2008 Rubber compounding ingredients – Carbon black – Determination of light transmittance of toluene extract (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISOIIEC Guide 21-1.

Warning Persons using this Standard should be familiar with normal laboratory practice.

This Standard does not purport to address all of the safety problems, if any, associated with its use.

It is the responsibility of the user to establish appropriate safety and health practices.

Carbon blacks may contain polycyclic aromatic compounds, some of which are known carcinogens.

These compounds, when present, are so strongly bound to the carbon black that they are biologically inactive, but they may be removed by the procedure specified in this Standard.

Care should be taken to avoid skin contact with solvent extracts from carbon blacks.

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JIS K 6218-4:2011
$17.55