It has four kinds,just for N220 ,N330,N550,N660. It has excellent dispersing capability and high-class black degree ;suitable to the dope, leather products, printing ink and high-quality plastic products ;excellent ultraviolet-proof and oxygenation-proof capabilities. Its mainly used in rubber industry, and in printing ink, paint, plastic industry, car tire tread etc.The pakage is 25Kgs net bag,16mtMT in 20FCL.