Coal Tar Pitch
  The Iran Coal Tar Refining Company, as the only producer of coal tar pitch in the country, has established itself as the most reliable source of binder for the production of aluminum anodes and graphite electrodes. Leveraging advanced manufacturing technologies and rigorous quality assurance systems, the company consistently delivers high‑performance coal tar pitch tailored to industry needs.
  Coal tar pitch produced by the Iran Coal Tar Refining Company is offered in three grades—hard pitch, soft pitch, and medium pitch—each formulated with specific quality characteristics to meet the requirements of various industrial applications.
  At the company, all coal tar pitch derivatives are manufactured with precision and care, utilizing optimized chemical processing technologies. Critical chemical reactions—including dehydration, condensation, thermal decomposition, polymerization, and other key processes—are expertly controlled by a dedicated team of highly experienced and qualified specialists.
  Backed by this scientific and industrial approach, the Iran Coal Tar Refining Company has earned approvals from major aluminum and graphite manufacturers in the country and continues to advance in quality improvement, innovation, and responsiveness to the specialized needs of the industry.
  Applications:
  • Used as a binder in the production of carbon anodes for aluminum manufacturing.
  • Applied in graphite electrodes and protective coatings.
  • Used as a raw material for producing refractory bricks and materials.
  • Provides surface protection against corrosion and environmental factors.
  • Used in asphalt coatings for airports and areas prone to solvent or fuel spills.

Specifications of Coal Tar Pitch (PA61)

Value Method Unit Test No.
Black solid with a glossy surface - - Appearance 1
1.27-1.4 ASTM D4892 gr/cm3 Density 2
110-120 ASTM D3104 ºC Softening Point 3
Min 3 STPTC PT11-79 % QI 4
Min 25 STPTC PT7-79 % TI 5
Max 0.3 ASTM D2415 % Ash Content 6
Min 50 ISO 6998 % Coking Value 7
20-30 STPTC PT11-79 - Beta Resin 8
Max 200 Flame photometer method ppm Sodium 9
3-15 ASTM D2569 % Distillation (0-360 ͦ C) 10

 

 

 

 


Specifications of Coal Tar Pitch (PA71)

Value Method Unit Test No.
Black solid with a glossy surface - - Appearance 1
1.3-1.4 ASTM D4892 gr/cm3 Density 2
110-120 ASTM D3104 ºC Softening Point 3
7-14 STPTC PT11-79 % QI 4
30-35 STPTC PT7-79 % TI 5
Max 0.3 ASTM D2415 % Ash Content 6
Min 54 ISO 6998 % Coking Value 7
Max 0.2 ASTM D95 % Moisture 8
20-30 STPTC PT11-79 - Beta Resin 9
Max 200 Flame photometer method ppm Sodium 10
3-5 ASTM D2569 % Distillation (0-360 ºC) 11

 

Specifications of Coal Tar Pitch (PA81)

Value

Method

Unit

Test

No.

Black solid with a glossy surface

-

-

Appearance

1

1.27-1.3

ASTM D4892

gr/cm3

Density

2

98-102

ASTM D3104

ºC

Softening Point

3

6-11.5

STPTC PT11-79

%

QI

4

Min 28

STPTC PT7-79

%

TI

5

Max 0.3

ASTM D2415

%

Ash Content

6

Min 41

ISO 6998

%

Coking Value

7

max 0.5

ASTM D95

%

Moisture

8

Min 22

STPTC PT11-79

-

Beta Resin

9

Max 1

ASTM D2569

%

ºC0-270 

 Distillation (0-360 ͦ C)

10

Max 4

 

ºC270-360 

 

Specifications of Coal Tar Pitch (PA81L)

Value Method Unit Test No.
Black solid with a glossy surface - - Appearance 1
90-100 ASTM D3104 ºC Softening Point 2

 


Specifications of Coal Tar Pitch (PA82L)

Value Method Unit Test No.
Black solid with a glossy surface - - Appearance 1
100-105 ASTM D3104 ºC Softening Point 2

 

 

 

 


Specifications of Coal Tar Pitch (PH01)

Value Method Unit Test No.
Black solid with a glossy surface - - Appearance 1
170-175 ASTM D3104 ºC Softening Point 2


Specifications of Coal Tar Pitch (PH02)

Value Method Unit Test No.
133-134 ASTM D3104 ºC Softening Point 3
5-10 STPTC PT11-79 % QI 4
30-40 STPTC PT7-79 % TI 5
Max 0.5 ASTM D2415 % Ash Content 6
Min 55 ISO 6998 % Coking Value 7


6.1.8.0
گروه دورانV6.1.8.0