ASTM D 7724 - 11 (Reapproved 2016) Standard Test Method for Carbon Black - Non-Dispersible Matter by Mechanical Flushing (NDM)

Current edition approved June 1, 2016. Published July 2016. Originally approved in 2011. Last previous edition approved in 2011 as D7724 – 11. — 3 p.
This test method covers the determination of nondispersible matter after mechanical water flushing of regular untreated carbon blacks. It may not be applicable to oil-treated carbon blacks because the oil would prevent proper wetting of the black by water.