Developed by The Gund Company, PolyPro FR® is a UL Listed flame retardant Polypropylene extruded for electrical insulation applications in electrical and electronic power systems equipment

End User applications

    • Solar Inverters and Combiner Boxes

 

    • UPS / Data Centers

 

    • AC Management and Climate controls

 

    • Low and Medium Voltage Switchgear and Power Distribution equipment

 

    • DC Power / Rectifiers / Telecom

 

    • White goods and appliances

 

    • Medical Applications

 

    • Power Electronics and Power Supplies

 

    • Consumer Electronics

 

  • Battery Chargers and Battery Packs

 

 

 

 
 

 

 

Made in the USA

 

  • Sold directly from The Gund Company and manufactured in the US, readily available in 7 locations in 4 countries.
  • PolyPro FR® from The Gund Company is a UL certified product: E228440
  • UL 94 V-0 rated in full thickness range of 0.010” – 0.125”
  • Extremely low water absorption
  • Excellent fabrication and formability characteristics
  • Available in Black or White as a roll, sheet or fabricated part
  • Offers temperature resistance to 110 °C per UL testing
  • Provides a lower cost alternative for designs incorporating the use of materials such as Formex®, Nomex® 410, Valox, Mylar Polyester Film, Vulcanized Fibre, Voltoid, and Quin-T products
  • Excellent Dielectric Breakdown strength
  • Additional thickness and colors available upon request.
  • All thicknesses available 48“ wide, allow scrap reduction.
  • Made and stocked in the U.S.


How can you process/convert PolyPro FR®?

  • Die Cutting – Steel Rule Die, Rotary Dies
  • Laser or Water Jet Cutting
  • Heat Forming
  • Thermoforming
  • Machining – CNC Mills and Turrets
  • Printing
  • Welding
  • Joinery Methods
  • Lamination, Pressure Sensitive Adhesives (PSA), Aluminum and Copper foil
 

The Gund Company offers all the conversion processes mentioned above in 7 of our facilities across 4 countries


Common Applications for PolyPro FR®

  • Phase-to-Phase Barriers
  • Fuse Board Insulation
  • Switch Insulation
  • Terminal Insulation
  • Fuse Clip Insulation
  • Air Duct Baffles
  • Formed Channels
  • Ground Insulation
  • Chassis / Enclosure Liner
  • PCB Insulators / Liners
  • Insulating Spacers
  • Insulating Shields
  • Bus Bar Insulation
  • Capacitor Insulation
 

PolyPro FR® from The Gund Company is a UL equivalent to ITW Formex GK®. PolyPro FR® offers a significant cost advantage as well as numerous other advantages over common flexible materials in the industry.

 

  PolyPro FR® Formex GK® Vulicanized Fiber
Fibre
Voltoid D-100 FR Mylar PET FILM Nomex® Aramid Paper

Valox® FR1

Lexan® FR 700 Polycarbonate
Flammability UL 94 V-0 UL 94 V-0 UL 94 HB UL 94 V-0 UL 94 HB UL 94 V-0 UL 94 VTM-2 UL 94 V-0
Dielectric Strength 1,240 VPM 987 VPM 215 VPM 176 VPM 1,400 VPM 845 VPM 1,090 VPM 1,500 VPM
Tensile Strength 4,495 psi 4,000 psi 8,000 psi 9,500 psi 25,600 psi N/A 6,000 psi 12,118 psi
Temperature Index 110°C 115°C 110°C 90°C 130°C 220°C 125°C 130°C
Water Absorption 0.01% 0.06% 82% 40% 0.01% 20% .05% .28%
Relative Cost 100% 129% 106% 123% 127% 687% 276% 236%