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crude coal tar
 

Specification of coal tar

Specification

Value

Water content

2.5 - 5 %

Viscosity at 100 c

2 - 5

Flash point (closed)

Min 90 c

Density at 20 c

12 - 22 %

Quinolne insoluble

9 % - 14 %

Phenol content

0.6 - 1 %

Naphthalene content

5 - 10 %

Carbon content

90 - 93 %

Hydrogen content

5 % - 6 %

Nitrogen

0.6 % - 1.2 %

Sulpher content

0.5 - 0.7 %

Sudium content ppm

25 - 30 %

Chlorine content

Traces

Bm c i

180 - 189

 
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