UL Listed Composites

Dielectric & Flame Resistant
About UL Listed Composites

When performance and safety matter most, Dielectrite™ and Rosite™ thermoset composites deliver. Designed for demanding electrical applications, these UL-Listed materials combine exceptional dielectric strength, flame resistance, and dimensional stability.

From switchgear to circuit breakers, these materials are trusted to protect systems and perform in the most challenging environments.

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A picture of a nondescript circuit breaker.

Dielectrite™: Purpose-built for electrical applications.

Dielectrite™ Composites are designed for versatile electrical insulation where consistent flame performance is essential. Available in both SMC and BMC, Dielectrite™ provides flexibility in manufacturing while delivering the quality and reliability you need in crucial electrical applications.

Dielectrite logo in black with a yellow line through the middle of the dielectrite symbol and highlighted in yellow underneath "UL Listed Composites".

Why choose Dielectrite™?

Dielectrite™ is suitable for applications requiring UL Yellow cards and flammability performance from UL94 HB, V-0 & 5VA.

  • UL recognition
  • Exceptional dimensional stability
  • Creep resistance
  • High strength
  • Can hold tolerances of .05%
  • Arc resistance
A medium voltage industrial circuit breaker with a blue sky background.

Rosite™: High-precision composites for electrical applications.

Rosite™ Composites are engineered for applications where tight tolerances, high strength, and arc resistance are critical. As a standard polyester composite material, Rosite™ offers a wide range of characteristics in combinations needed to meet most product specifications. Because it is custom formulated to meet your specification, there are infinite possibilities for where and how Rosite™ composite material can be used. 

Rosite logo with grey on top and yellow on the bottom with the following words highlighted in grey: "UL Listed High Performance Composites"

Why choose Rosite™?

High strength Rosite™ BMC composites are suitable for use in applications requiring flammability performance from UL94 HB, V-0 and 5VA. Rosite™ is formulated to provide outstanding thermal performance with a Relative Thermal Index (RTI) rating of 130°C – 180°C.

  • UL recognition
  • Outstanding RTI values
  • Exceptional dimensional stability
  • Abrasion & wear resistance
  • High strength
  • Can hold tolerances of .05%
  • Arc resistance

Resources

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Contact us to speak with a UL Composites Formulation Specialist, request data sheets, or start your own custom compound project.

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