Carbon black is a highly engineered material, and its performance in various applications is directly linked to its unique physical and chemical properties. Among the most versatile grades is Carbon Black N339, a key component in many industrial formulations. As a dedicated manufacturer and supplier, we aim to illuminate the science behind this essential additive, helping our customers make informed decisions when they buy.

At its core, carbon black is a form of amorphous carbon produced by the incomplete combustion or thermal decomposition of hydrocarbons. The production process, often referred to as the furnace black process for grades like N339, allows for precise control over particle size, structure (the degree to which primary particles aggregate), and surface chemistry. These controlled parameters dictate the performance characteristics of the final product.

For Carbon Black N339, key scientific attributes include:

  • Particle Size: N339 has a relatively small particle size, which is crucial for achieving high surface area. A smaller particle size generally leads to better reinforcement in polymers.
  • Surface Area: Measured by techniques like nitrogen adsorption (BET surface area) or iodine adsorption, a larger surface area allows for more physical interaction between the carbon black and the polymer matrix. N339 exhibits a moderate to high surface area, contributing to its reinforcing efficacy.
  • Structure: This refers to the size and shape of the carbon black aggregates. Higher structure, indicated by higher DBP absorption, generally improves modulus and tensile strength. N339 possesses a structure that balances reinforcement with good processability.
  • Surface Chemistry: The presence of various functional groups on the carbon black surface can influence its interaction with polymers and its dispersibility.

These properties collectively make Carbon Black N339 an excellent choice for enhancing rubber compounds. Its high abrasion resistance, a direct consequence of its particle size and structure, is particularly valued in tire treads. In plastics, it serves as a reinforcing filler and a UV stabilizer. For coatings, its fine particle size and high tinting strength make it an effective black pigment.

When you purchase Carbon Black N339 from a reputable supplier, you can be confident that these scientifically controlled properties are consistently delivered. Our commitment as a manufacturer ensures that each batch of N339 adheres to stringent quality standards, providing reliable performance for your applications. Understanding the science behind the grade empowers you to leverage its full potential, whether you are formulating new rubber compounds, enhancing plastic durability, or seeking a superior black pigment for coatings.

We invite you to explore the advantages of high-quality Carbon Black N339 for your specific needs. As a leading Chinese supplier, we are ready to provide detailed technical information and competitive pricing to support your procurement efforts.