We manufacture and export carbon black N220,N330,N550,N660,N326,N774 ect.We can produce new products according to ... -3.5Exrension,%,min+10-10-10+10Applications: Can be used for black dye,Used in the manufacture of ink,printing ink,paint ... as rubber reinforcing agent We mainly manufacture and export carbon black N220,N330,N550,N660,N326,N774 ect.We also can produce new ...