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Coal Tar Pitch

Coal Tar Pitch

Country/Region china
Company China Overseas Science & Trade Co., Ltd
Categories Coal Tar Pitch
Update 2015-04-30 19:07:24
ICP License Issued by the Chinese Ministry
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Coal Tar Pitch

Modified High-Temperature
Coal Tar Pitch

Physical and chemical properties
The modified high temperature coal tar pitch is a black solid consist of fused ring aromatic hydrocarbons and macromolecular resins, which contains oxygen, nitrogen and sulfur heterocyclic compounds and a small amount of polymer carbon material.it can be solidified into a brittle solid in shell-like fracture at a certain temperature (1-5cm) without thermal effect. It is brittle black lumps under room-temperature and can be converted into liquid when heating, with characteristics of shiny, toxic and in a slight odor. Its flash point is 204.4°C and boiling point is no higher than 470°C . Melting point around 100-150°C and 1.25-1.35g/cm3 density.
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 high-power and ultra high-power graphite electrodes( mainly used in steel mills and other metal smelting ), aluminum with anode paste and prebaked anode adhesives ( mainly for the aluminum plant ), high-pure carbon black and carbon black oil( mainly for rubber tire factory ).
Transportation
In bulk when do domestic transportation for the purpose of saving costs, and packaged in polypropylene PP material bag( with sunscreen, 4.3kg/month gross weight ) when do exports.
Specifications of High Temperature Modified Pitch
PropertySpecificationTrace ElementsTypical
Softening point/°C(R&B)120 ~ 150S0.47%
Toluene insoluble/%26 ~ 30Na76ppm
Quinolone insoluble/%6 ~ 10Ca32ppm
-resin/%≥18Al27ppm
Coking Value/%≥55Si49ppm
Ash/%≤0.3Fe161ppm
Moisture/%≤3Zn116ppm
Distillation before 360%1 ~ 3Pb220ppm

Modified Medium-Temperature Coal Tar 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 no higher than 470°C . Melting point is between 100-200°C. Density is around 1.25-1.35g/cm3.
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 high-power graphite electrodes( mainly used in steel mills and other metal smelting ), aluminum with anode paste and prebaked anode adhesives ( mainly for the aluminum plant ), carbon black and carbon black oil( mainly for rubber tire factory ).
Transportation
In bulk when do domestic transportation for the purpose of saving costs, and packaged in polypropylene PP material bag( with sunscreen, 4.3kg/month gross weight ) when do exports.
Specifications
PropertyGrade AGrade B
Softening point/°C (R&B)100 ~ 115100 ~120
Toluene insoluble/%28 ~ 34>26
Quinolone insoluble/%8 ~ 148 ~ 15
-resin/%≥18≥16
Coking Value/%≥54≥50
Ash/%≤0.3≤0.3
Moisture/%≤5≤5
V

Product Tags:

coal tar specification

      

pitch electrode coke

      

lump coking coal

      
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