Carbon Black / N339
N339 is a fine, active carbon black with increased structure, used for industrial rubber goods. N 339 imparts high modulus, improved extrusion, wear resistance and hysteresis N-330. It is used for tire treads, retreading, industrial rubber goods and conveyor belts.
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CHEMICAL AND PHYSICAL PROPERTIES OF N339 CARBON BLACK |
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GRADE |
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ASTM TEST |
N-330 |
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Iodine absorption |
g/kg |
D 1510 |
90±5 |
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DBP absorption |
ml/100g |
D 2424 |
120±5 |
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CTAB surface area |
m2/kg |
D 3765 |
93±5 |
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Heating loss |
@ 125 °C |
D 1509 |
1.00 |
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Ash content |
% max |
D 1506 |
1.00 |
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Sieve residue N 35 |
% max |
D 1514 |
0.001 |
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Sieve residue N 325 |
% max |
D1514 |
0.10 |
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Fine Content |
% max |
D 1508 |
7 |
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Pour density |
kg/m3 |
D 1513 |
345±30 |
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Sulphur content |
% max |
D 1619 |
1.10 |
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Colour strength |
% |
D 3265 |
110±5 |
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DBP absorption after pressing |
ml/100g |
D 3493 |
101±5 |
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pH value |
|
D 1512 |
7-10 |
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Toluol extract |
% min |
D 1618 |
75 |
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Pellet hardness |
g |
D 3303 |
15-100 |