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Coal Tar

High Temperature Modified Pitch

Name : High Temperature Modified Pitch

Physical and chemical properties: Coal tar pitch is a black solid consist of fused ring aromatic hydrocarbons and macromolecular resin, at a certain temperature, it will be solidified into a brittle solid with shell-like fracture. It will melt in a certain range of melting points, but it has no definite melting point. Coal tar pitch has no thermal effect when solidified. Its flash point is 204.4°C , and its boiling point is less than 470°C .

Production process : It is obtained by distilling soft pitch in modifier under certain pressure and temperature after certain time of heating.

Application: It can be used as binder pitch for the production of Anode Paste, Prebaked Anode, Cathode, Electrode Paste, and Graphite Electrode.

Transportation: It should be transported in bag or in bulk by trucks or by railway, and subject to the specific requirement of transportation.

Specifications of High Temperature Modified Pitch

Property

Specification

Trace Elements

Typical

Softening point/°C (R&B)

120 ~ 150

S

0.47%

Toluene insoluable/%

26 ~ 30

Na

76ppm

Quinolene insoluable/%

6 ~ 10

Ca

32ppm

β-resin/%

≥18

Al

27ppm

Coking Value/%

≥55

Si

49ppm

Ash/%

≤0.3

Fe

161ppm

Moisture/%

≤3

Zn

116ppm

Distillation before 360 /%

1 ~ 3

Pb

220ppm

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