Coal tar

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Quality specification 

No

Characteristics

Specification

1

Density at 20°C, kg/m3

1000 – 1150

2

Water Content, %

2,0 – 4,0

3

Toluene Insoluble %

0,2 – 4,0

4

Quinoline Insoluble, %

0,1 – 4,0

5

Ash Content, %

0,1 – 1,0

6

Sulfur Content, %

0,1 – 0,4

7

Phenol, %

0 - 1,0

8

Pyridine base, %

0 - 2,0

9

Naphthalene, %

0 - 4,0

10

Anthracene %

1 - 4,0

11

Sodium Na, %

0,002

12

Potassium K, %

0,0005

13

Viscosity at 80°C, conventional degree

2,9 - 3,3

14

Coking ability, %

2,0 - 3,5

15

Flash point, °C

110-120

16

 

Fractional Distillation, %:

                                      boiled at:

180 °C

0,1 - 0,5

200 °C

0,2 - 0,6

230 °C

4,0 - 9,0

300 °C

23,0 - 25,0

360 °C

6,0 - 12,0

 



17 Pitch, % 53,5 - 63,1
18 Softening point of pitch, °C 60 - 70
19 Pitch Volatile substance output, % 83,0
20 BMCI 108-125