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Soft Pitch
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Anthracene Oil
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Coal Tar

Modified Pitch

Name : 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.

Applications: 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 Modified Pitch

Property

Grade A

Grade B

Softening point/°C (R&B)

100 ~ 115

100 ~120

Toluene insoluable/%

28 ~ 34

>26

Quinolene insoluable/%

8 ~ 14

8 ~ 15

β-resin/%

≥18

≥16

Coking Value/%

≥54

≥50

Ash/%

≤0.3

≤0.3

Moisture/%

≤5

≤5

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