For professionals in the rubber industry, selecting the correct grade of carbon black is paramount to achieving desired product performance. Carbon black serves as a critical reinforcement filler, significantly impacting the physical properties of rubber compounds. This article aims to shed light on the distinctions between three widely used grades: Carbon Black N330, N220, and N550, helping you make an informed decision as a buyer. Understanding these differences ensures you source the most effective rubber auxiliary agent for your specific manufacturing needs.

Carbon Black N330: The All-Rounder

Carbon Black N330 is perhaps the most versatile and widely utilized grade. It offers a balanced profile of properties, making it suitable for a broad range of rubber applications. Key characteristics include good abrasion resistance, reasonable tensile strength, and excellent processing characteristics. In tire manufacturing, N330 is often found in sidewalls and treads where a blend of wear resistance and processing ease is desired. As a manufacturer and supplier, we note that N330 is a cost-effective choice for general-purpose rubber reinforcement, providing a solid performance base.

Carbon Black N220: The Performance Enhancer

When higher performance is demanded, Carbon Black N220 often steps in. This grade typically exhibits a higher iodine absorption value and DBP absorption compared to N330, indicating a finer particle size and a more developed structure. These attributes translate to superior abrasion resistance and higher tensile strength in rubber compounds. N220 is frequently specified for high-performance tire treads, racing tires, and other rubber components subjected to severe wear and tear. For businesses looking to buy carbon black that offers enhanced durability and wear characteristics, N220 is a prime candidate from our extensive product line.

Carbon Black N550: For Specific Properties

Carbon Black N550 generally has larger particle sizes and lower structure than N220 and N330. This results in good processing characteristics, excellent heat buildup resistance, and improved dynamic properties. N550 is often used in applications where high resilience and low hysteresis are important, such as in tire carcass plies, sidewalls, and solid tires. It also finds use in other industrial rubber goods where specific flexibility and heat dissipation are required. As a supplier, we recommend N550 when a balance of reinforcement and good dynamic performance is key. Exploring our range of carbon black for sale will help you find the ideal grade.

Sourcing Your Carbon Black in China

As a leading manufacturer and supplier of industrial chemicals in China, we pride ourselves on offering a consistent supply of high-quality carbon black grades, including N330, N220, and N550. We understand the importance of reliable sourcing for your production cycles. When you choose to buy carbon black from us, you benefit from competitive pricing, stringent quality control, and timely delivery. Whether you need carbon black for tire reinforcement, as a pigment for inks, or as a plastic auxiliary agent, our team is ready to assist. Contact us today for a quote and to request samples to test our premium carbon black for your specific needs.