Carbon Black Feed Stock (CBFS)

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Carbon Black Feed Stock (CBFS)

Carbon Black Feedstock (CBFS) is a dark-coloured, viscous petroleum-derived liquid obtained through the high-temperature fractional distillation of petroleum fractions. It is primarily used as a key raw material in the manufacturing of Carbon Black, which is widely used in the tyre, rubber, plastics, coatings, pigments, and industrial manufacturing industries.

CBFS is valued for its hydrocarbon composition and carbon-yielding properties, making it an important feedstock for producing high-quality Carbon Black. It is available in different grades, including High BMCI and General Grade CBFS, depending on the desired Carbon Black production requirements.

Applications of Carbon Black Feedstock

The primary application of CBFS is the production of Carbon Black, which is extensively used in:

  • Tyre Manufacturing – Used as a reinforcing material to improve tyre strength, durability, and wear resistance.
  • Rubber Products – Used in rubber compounds and various industrial rubber applications.
  • Road Paving & Infrastructure – Used in selected asphalt and road-related applications.
  • Black Pigments – Used in paints, coatings, printing inks, and road-marking materials.
  • Conductive Materials – Used in applications requiring electrically conductive carbon-based materials.
  • Rubber Process Oils – Used as a raw material in the production of rubber processing oils.
  • Specialty Chemicals – Used as a feedstock for producing various downstream petroleum-based chemicals.
  • Agarbatti & Fragrance Applications – Selected CBFS-derived fractions can be processed for applications such as Agarbatti Oil and related products.

Technical Specifications

Sr.No Characteristics Test Method Test Value Unit
1 Color IS : 1967 P : 12 3.0 – 7.5 ASTM
2 Appearance Visual Dark  
3 Density 30°C IS : 1448 P : 16 0.99 Min gm/ml.
4 Flash Point IS : 1992 P : 69 95 Min °C
5 K. Viscosity @ 100°C IS : 1448 P : 25 18 – 20 Cst
6 Pour Point IS : 1448 P : 10 10 Max °C
7 Sulfur Compounds IS : 1448 P : 33 0.5 – 2.5 % by mass
8 Ash IS : 1448 P : 04 0.03 % by mass
9 Gross Calorific Value IS : 1448 P : 06 10,000 Min Cal/g