Nano-carbon black is a kind of environment - friendly product by further processing . Our products impart to rubber high wear resistance , ageing resistance , tear strength and good dispersion .It can be splendid replacement of other rubber reinforcement materials such as N660 and N330. Its good reinforcement and low cost make it more competitive in the world market . Pls feel free to contact me directly . amanda email/msn: sales (at) sdxyhg (dot) com ; skype : xyamanda2010  .