Marian, Inc.

Indianapolis,  IN 
United States
  • Booth: 634

Welcome to Marian! Visit us at booth# 634 and

Marian is an ISO 9001:2015 certified global leader in manufacturing precision die-cut component parts made of innovative flexible materials for the LED/lighting market: diffusers, reflectors, gaskets, IP rated vents, thermal interface solutions, permanent and temporary bonding components. Our 12 locations span across the US, China, and Europe.

Brands: Marian converts some of the world's most innovative materials: 3M PSA's, Porex PTFE Membrane, Luminit Light Shaping Diffusers, Rogers Corporation PORON and BISCO Foams, and more.


  • Solutions for the LED Lighting Industry
    Light designers are challenged to develop lights that are more efficient, more cost effective, and superior to the competition, and Marian's team is equipped with the knowledge and resources to make you an industry leader....

  • Click here to access Marian's LED Lighting Industry brochure. This brochure discusses Marian's unique converting capabilities in the medical industry.

    Some examples of applications we have experience with include:

    • Thermal Management
    • Adhesion / Structural Management and Bonding
    • Venting
    • Light Reflection
    • Light Diffusion
    • Vibration Management
    • Environmental Sealing
    • Heat and Flame Barrier
    • Electrical Insulation
    • And more...
  • 3M™ Flame Barrier FRB Series
    FRB is a thin, flexible insulation made primarily of inorganic materials and is easily converted. The FRB barrier provides the very high flammability and ignitability resistance, excellent arc & track resistance, and more....

  • Click here to access Marian's material spotlight on Flame Barrier FRB material. This material is UL 8750 and UL 94 5VA certified

    • UL 8750 - Safety Standard for Light Emitting Diode (LED) Equipment for Use in Lighting Products
    • UL 94 5VA - Flammability Standard *Five times more sever than V-0*
      • Requirements: Burning stops within 60 seconds on the vertical specimen; no drips allowed; plaque specimens may not develop a hole
  • POREX® PTFE Membrane Vents
    PTFE membrane vents are used in sealed devices to allow pressure equalization due to temperature changes and minimizes condensation while keeping dust, dirt, and moisture out....

  • Click here to access Marian's material spotlight on POREX® PTFE Membrane Vents.

    Some key benefits of POREX venting material include:

    • IP 64, 65, 66, 67 & 68 rated
    • UL 94 V-0, 5VA, and UL746C f1 approvals
    • Natural hydrophobicity
    • Oleophobic
    • UV and weather resistant
    • Chemically inert
    • Thermally resistant (500°F continuous use)
    • And more...

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