Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Nextex N550 Carbon Black

Nextex N550 Carbon Black is a high-structure, medium-particle-size furnace black from the Nextex series by Tokai Carbon. Designed for rubber reinforcement—especially in tires and industrial rubber goods—it delivers excellent tensile strength, abrasion resistance, and dispersion. Compliant with ASTM D1765 and ISO 18509 standards, it ensures consistent performance and processability in demanding elastomer applications.
  • nextex n550 carbon black_c33f34b2
  • nextex n550 carbon black_c33f34b2

Features Of Nextex N550 Carbon Black

  1. High structure and excellent dispersion characteristics for enhanced rubber reinforcement.

  2. Consistent particle size distribution ensuring uniform blackness and improved processing stability.

  3. Low volatile content and controlled surface chemistry for superior batch-to-batch reproducibility.

  4. Optimized DBPA (Dibutyl Phthalate Absorption) for balanced filler-matrix interaction in demanding elastomer systems.

  5. Designed for low heat build-up in dynamic applications, supporting extended service life of finished products.

Typical Applications Of Nextex N550 Carbon Black

  1. Tread compounds for passenger car and light truck tires.

  2. Conveyor belts and industrial rubber hoses requiring abrasion resistance.

  3. Automotive suspension bushings and engine mounts.

  4. Roller coverings and printing blanket compounds.

  5. General-purpose black rubber goods including footwear soles and molded technical parts.

Specifications Of Nextex N550 Carbon Black

Chemical TypeCarbon black (N550 grade, ASTM D1765)
Product FormPelleted (free-flowing, dust-reduced)
AppearanceBlack granular solid
Primary ApplicationsRubber reinforcement in medium-to-high performance elastomers
Key FeaturesMedium structure, good processability, balanced reinforcement and dispersion
DBPA (cm³/100g)125–135
Oil Absorption Number (OAN)128 ± 5 mL/100g
Volatile Matter (wt%, max)1.5%


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