Our company have ability to supply Carbon blackN220, N330, N550, N660,N339 etc.
And the features as follow:

CARBON BLACK N220
Characteristic: Good abrasion resistance and crack resistance. Its stress at definite elongation is lower.
Application: Enhanced carbon black; Tire tread, high quality industrial rubber products and high load conveyor belt.

CARBON BLACK N330
Characteristic: Good abrasion resistance and middling lag.
Application: Tire belted layer; Tire side; Outer layer of roller; Industrial rubber products; Car tire tread.

CARBON BLACK N550
Characteristic; It boasts the best reinforcing performance among the semi-reinforcing varieties, excellent extruding performance as well as low resilient rate.
Application: Tire body and inner tire compound; Tube; Extruding bar, seal and mould rubber product.

CARBON BLACK N660
Characteristic: It features lower reinforcing ability, smaller structure, higher lips expansion and greater fill amount.
Application: Tire body and inner tire compound; Normal mould and extruding application; Monolayer moisture proof product.