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Elmet Technologies
Cabot BLACK PEARLSĀ® 4040 Specialty carbon black
Categories: Other Engineering Material; Additive/Filler for Polymer

Material Notes: Product highlights: BLACK PEARLS 4040 specialty carbon black is suitable for use in applications requiring a balance of ultraviolet (UV) protection, weatherability performance, and covering power particularly in film and sheet applications where surface smoothness is desired.

Key applications: BLACK PEARLS 4040 specialty carbon black can be used in a range of film and sheet applications including:

  • Mulch and silage film
  • Irrigation pipe and tape
  • General purpose film and sheet
Performance features: When exposed to sunlight and the associated ultraviolet (UV) rays, plastic film can degrade. BLACK PEARLS 4040 specialty carbon black can help protect plastic film, sheet, and pipe from UV degradation by absorbing UV rays. Its good covering power enables film & sheet applications to prevent sunlight transmission which is particularly important for applications such as agricultural film. In addition, its dispersion characteristics deliver good surface smoothness and low surface defects, helping to ensure high carbon black performance with respect to UV and covering power while preserving the mechanical integrity of the film. BLACK PEARLS 4040 specialty carbon black used in film and sheet applications can help extend the useful life of the final product due to its:
  • Good covering power, which prevents sunlight transmission in the film
  • Long-term UV and weatherability protection
  • Excellent surface smoothness and dispersion performance

Information provided by Cabot Corporation

Vendors:
Available Properties
  • Particle Mesh Size, ASTM D-3265, <25 ppm
  
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