1.Supply carbon black N220,330,etc 2.Wet process 3.Raw material:coal tar 1.Type: N219, N220, N234, N326, N330, N339, N472, N539, N550, N660, N772, N774 2.Standard: GB 3778-2003 3.Packing: 25kgs pp bags/500kgs jumbo bags/1000kgs jumbo bags 4.Usage: Maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they can be applied to such relevant ...