Wealson Carbon Black is a tiny powder that is caused by incomplete combustion of carbonaceous raw materials(petroleum or coal tar). The appearance is pure black fine grain or powder. Carbon Black does not dissolve in water, acid or alkali, and it can turn into carbon dioxide while burning in the air.
Wealson manufactures carbon black from N100 to N700, including N115, N121, N220, N234, N330, N339, N375, N550, N660, N762, and etc. Wealson Carbon Black, as the brand name, is complied with the standard of GB3778-2003/ASTM, its major applications are used in tyre, rubber and plastic as reinforcing filler.