Carbon BlackN-330 with excellent dispersion,stable color tone,high purity, and good fluidity. ... -88 Test according to the national standardOf GB3778-2003,for Carbon Black usedFor inks and paints SHIJIAZHUANG LEAYOOCHEMICALS CO.,LTD Lodine ... ) ppm1000 Date2010-4-29 Ash%0.7 Tested byHenglong Ma Carbon black N330