... ,N660 3.Plastic,rubber industry 4.Hight quality and .Good price Carbon black N220.330.550.660 carbon black n330 specification ... -3.5Exrension,%,min+10-10-10+10Applications: Can be used for black dye,Used in the manufacture of ink,printing ink ... ,paint,plastic ,and as rubber reinforcing agent. High quality and Best market price for carbon black