... sample for test 4.Prompt delivery Carbon black in plastic & rubber industry 1.Character:Type: n220 ,n330,n550.n660.Cas no:1333 ... .5 +/-1.3 Usage:maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they ... Any question, welcome here! (hot sale) Carbon black in plastic & rubber industry