... carbon black N220,330,etc 2.Wet process 3.Raw material:coal tar 1.Type: N219, N220, N234, N326, N330, N339 ... jumbo bags 4.Usage: Maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they ... .3-4.8 +/-1.3-5.8 +/-1 Carbon Black for Rubber Tyre