1. Type: n220 ,n330,n550.n660. 2. Cas no:1333-86-4 3. Place of origin: ... China 1. Type: n220 ,n330,n550.n660.2. Cas no:1333-86-43. Place of origin: China4 ... or dry process7. Usage: maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they ... -1.7 +/-1.3-3.5 +/-1.3 High Quality Carbon Black