ASTM D 1618 - 17 Standard Test Method for Carbon Black Extractables - Transmittance of Toluene Extract

Current edition approved Aug. 1, 2017. Published August 2017. Originally approved in 1965. Last previous edition approved in 2011 as D1618 – 99 (2011). — 3 p.
This test method covers the measurement of the degree of toluene discoloration by carbon black extractables and is useful in controlling the reaction processes for production of carbon black. This test method may not be applicable to carbon blacks with high extractables.