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Quality Chemicals for the Rubber industry




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Carbon Black / N774

Characteristics

N764 is an industrial rubber carbon black that provides the essential properties for many of your everyday rubber.  It is mainly used in tire cord layers, inner tubes, belts, hoses, cable ropes, rubber tubes, rubber seals, footwear, moulded goods and solutions.

 

CHEMICAL AND PHYSICAL PROPERTIES OF N650 CARBON BLACK

GRADE

 

ASTM TEST

N-774

Iodine absorption

g/kg

D 1510

29±3

DBP absorption

10-5m3/kg

D 2424

72±4

CTAB surface area

m2/kg

D 3765

25-33

Heating loss

@ 125 °C

D 1509

0.50

Ash content

% max

D 1506

0.50

Sieve residue N 325

% max

D1514

0.05

Fine Content

% max

D 1508

10

Pour density

kg/m3

D 1513

490±40

Sulphur content

% max

D 1619

1.10

Colour strength

%

D 3265

-

DBP absorption after pressing

10-5m3/kg

D 3493

60-66

pH value

 

D 1512

6-9

Toluol extract

%  min

D 1618

75

Stress at 300% Elongation

mpa

 

-4.1±1.0