Carbon Black N339 Specification
Property value
Iodine Absorption No. (g/kg) 90±5
DBP Absorption No. (10-5m3/kg) 120±5
CDBP Absorption No. (10-5m3/kg) 101±5
CTAB Surface Area (103m2/kg) 88~98
Heating Loss % <1.0
Ash Content % <0.5
Fine Content % <8.0
Tint Strength % 105~115
45um Sieve Residue % <0.05
300% Modulus Mpa 0.5±1.0
Pour Density 345±30

(1) Mainly Use: The tread rubber for ordinary car tires,heavy lorry tires. The covering rubber of conveyer belt, the rubber tubes, and the rubber products requires for high wear resistance.

Functions:

N339 nearly has the same reinforcing intensity, wear resistance, and tear resistance as N220. Well extrusion, especially fits for Styrene Butadiene Rubber (SBR) and Cis-Polybutadiene Rubber. The tire tread which made of N339 has highest hysteresis loss of all the N330 series, and should pay attention on this.

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