ELECTRONICS APPLICATION
THE GUND COMPANY MANUFACTURES AND FABRICATES A BROAD RANGE OF MATERIALS THAT CAN PROPERLY INSULATE THE MOST DEMANDING POWER ELECTRONICS APPLICATIONS.


Dielectric Protection
- Polycarbonate, transparent electrical insulation for safety
Dielectric Barrier
- PolyPro FR, UL V-0 flame retardant polypropylene
- G-Flex YT510, high-temperature Aramid paper
Thermal Interface
- Thermally conductive, un-reinforced gap-filling material
PolyPro FR®

UL94 V-0 polypropylene material with features that make it an economical choice for electrical insulation applications.
- Chargers
- Power Supplies and PDUs
- Inverters
- Appliances
G-Flex™ YT510

VTM-0 high-temperature aramid paper with superior chemical resistance and dielectric breakdown strength.
- Switchgear
- Bus Bars
- Hybrid Motors
- Fuse Boards
Polycarbonate

The Gund Company offers various polycarbonate options to meet any application need.
- Chargers
- Combiner Boxes
- Inverters
- Data Centers
Thermal Interface

Thermally conductive pads are used to improve heat transfer and enhance efficiency in a power system.
- Servers
- Semiconductor
- Power Supplies
- Aerospace
DATA CENTER SOLUTIONS
OPTIMIZE YOUR DATA CENTER WITH CABLE MANAGEMENT AND CLIMATE CONTROL SOLUTIONS FROM THE GUND COMPANY
The Gund Company manufactures material and product solutions designed per our customers’ specifications to make a data center more efficient. From set-up to operation, The Gund Company is here to help.
PolyLiner FR cable tray liners provide the protection and cable management afforded by standard cable tray liners but in a lightweight, easy-to-install, flexible form factor.
Our flexible cable tray liners come in 100’ rolls for ease of transport, can be cut to length to maximize space, and can be configured to match any cable tray configuration.

Why use PolyLiner FR?
- Flammability: UL-94 V0 – Meets data center operations requirements.
- Compatibility: Install in any wire basket or cable tray configuration.
- Availability: Sold directly from The Gund Company and ships worldwide from 7 locations in 4 countries.
Air Baffles
Regulate cool air using PolyPro FR® air baffles.


- UL-94 V0 PolyPro FR®
- Low-cost, available in custom sizes
- Flexible for easy installation
Blanking Panels
Control heat in standard and OCP server racks.


- UL-94 V0 PolyPro FR®
- Thermally insulating material prevents heat transfer
- Supports both standard and OCP racks
- Black or White color options
Aisle Containment
Manage aisle temperature using polycarbonate.


- Single or dual-pane polycarbonate
- Custom sizes to fit different aisle options
- Meet flammability requirements
ENERGY STORAGE SOLUTIONS
FROM GRID-LEVEL STORAGE SYSTEMS TO ELECTRIC VEHICLE BATTERY PACKS, WE HAVE THE INSULATION SOLUTION

The Gund Company manufactures a wide range of electrical and thermal insulation materials used in energy storage applications.
Energy Storage Systems
The Gund Company provides material solutions to satisfy a range of systems such as batteries, battery management systems (BMS), inverters, converters, and air-conditioning within an energy storage container.
Composite Solutions

The Gund Company manufactures composite sheets, channels, and custom shapes used in high-voltage areas.
- NEMA GPO-3
- NEMA G-10/FR4
- Standoff Insulators
- Mica

Thermoplastic Solutions

The Gund Company manufactures and converts a wide range of thermoplastic solutions for insulation and assembly applications.
- PolyPro FR®
- Polycarbonate
- PET
- Adhesives

Elastomeric Solutions

The Gund Company can solve your sealing needs by providing a variety of gaskets and sealing solutions.
- Rubber
- Foam and Sponge
- EMI Shielding
- O-Rings
Battery Solutions
The Gund Company manufactures flexible and composite insulation materials used in battery cells, modules, and packs. Electrical and thermal insulation solutions are critical to ensure a battery system functions efficiently and safely.
Battery Cell
Improve cell longevity with PolyPro EV and G-Flex™ EV.


Polypropylene-based insulating film is primarily used in battery cells.

Advantages:
- Ultra-low-cost
- Suitable for high-volume manufacturing
- High dielectric strength
- Thickness range: 0.005” – 0.125”
Battery Module
Protect arcing between cells with PolyPro FR® and G-Flex™ EV.


Meta-aramid-coated separator film is used primarily in battery cells.

Advantages:
- Meta-aramid coating improves wettability and long-term performance
- Superior thermal endurance
- 25-micron thickness
Battery Pack
Reduce heat transfer with G-Flex™ FB.


Coated para-aramid flexible flame barrier used for thermal runaway protection.

Advantages:
- 1000°C Para-aramid barrier
- Passes China bonfire test
- High tear strength but flexible
- Thin profile 0.028”
CLEAN ENERGY APPLICATIONS
TRUST THE GUND COMPANY WITH MATERIAL SOLUTIONS TO SUPPORT CLEAN ENERGY DEVELOPMENT AND MANUFACTURING
High-performance material solutions from The Gund Company have proven to be competitively priced and delivered on time. As a trusted engineering resource, you can trust us to be a technical manufacturing solution in solar energy, fuel cells, and nuclear applications.
Solar Energy Solutions
Converting DC power generated from solar cells and transferring it to the grid requires a variety of electrical equipment. Inverters, combiner boxes, and batteries convert and store the energy before moving to switchgear equipment for distribution. Insulation material from The Gund Company can be found in any of this equipment.
Whether the application requires a thin film to prevent arcing in small-form low-voltage combiner boxes, or rigid composites found in high-voltage inverters, The Gund Company can manufacture the material.


PolyPro FR®
Standoff Insulators
Polycarbonate
G-Flex™ YT510
Molded Parts
NEMA GPO-3
NEMA G10/FR-4
Mica
Combiner Boxes / Small Inverters | Grid-level Inverters / Power Units | |
UL94 V-0 polypropylene material is used as a dielectric barrier in power equipment such as inverters, combiner boxes, and battery modules. | ✓ | ✓ |
UL-listed epoxy, Nylon, or polyimide material options are ideal for supporting bus bars or other live electrical components. | ✓ | ✓ |
High-strength transparent thermoplastic material with good electrical insulation characteristics is used for viewing protection. Also Available in a variety of colors. | ✓ | ✓ |
VTM-0 high-temperature aramid paper with superior chemical resistance, mechanical toughness, and dielectric breakdown strength. | ✓ | |
Flame-retardant polymeric composite material made from glass chop and polyester resin. The material is formed in complex shapes to meet unique insulation requirements. | ✓ | |
GPO-3 is a UL-recognized composite that offers excellent track, arc, and flame resistance. Suited for high-voltage insulation applications. | ✓ | |
UL94 V-0 glass epoxy composite. Maintains excellent mechanical, electrical, and physical properties at elevated temperatures. | ✓ | ✓ |
Mica M and Mica P – alumino-silicate with exceptional thermal characteristics. Often suited for high-temperature electrical insulation applications. | ✓ |








Fuel Cell & Fusion Energy
Unique applications like fuel cells and nuclear fusion require material that is not only insulating at high voltages but also has superior mechanical properties. The Gund Company manufactures this material as well as customer formulations for unique environments.
Composite Manufacturing

With composite sheet, autoclave, and filament winding capabilities, The Gund Company manufactures composite solutions in nuclear fusion and fuel cell applications.
- G10, G11, and G15
- Mica Gaskets and Seals
- Filament Wound Hydrogen Tanks
Fabrication

The Gund Company can machine virtually any composite material at one of our many manufacturing facilities worldwide.
- 5-Axis Machining
- CNC Routing
- Lathe Cutting
- Waterjet
Assembly

We manufacture the material and fabricate the parts. The Gund Company can assemble or provide secondary operations to streamline your production.
- Insert Assembly
- Labeling / silk-screening
- Painting
- Waterjet
POWER ELECTRONICS APPLICATIONS
- Uninterruptible Power Supplies (UPS)
- Power-Conditioning Equipment
- Data Center Power Infrastructure Equipment
- Power Distribution Cabinets
- DC Power Systems
- Industrial AC and DC Systems
- Power-Transfer Switches
- Paralleling Switchgear
- Load Banks
- Surge-Protective Devices
- Power Control and Monitoring
POWER ELECTRONICS INSULATION COMPONENTS
- Standoff Insulators
- Molded Parts
- Baffle Insulation
- Bushing Insulation
- Lead Insulation
- Bus Bar Insulation
- Insulating Angles
- Insulating Channels
- Terminal Boards
- Fuse Boards
- Board Liner
- Interphase Insulation
- Sight Windows
- Bolt Insulation
- Insulating Tubes
- Spreader Bars
- Capacitor Insulation
- Battery Liner
POWER ELECTRONIC INSULATION MATERIALS
The Gund Company additionally offers a variety of elastomeric materials. For the most part, the elastomeric materials are available for enclosure sealings, O-rings, thermal shielding and gaskets.

PolyPro FR® II is a flame-retardant polypropylene that, essentially, carries a UL 94 V-0 flame class rating. Not to mention, this material has features and quality characteristics that make it a substantial economical choice for electrical insulation applications. The material offers a range of standard thicknesses, which are available from 0.010” to 0.125”. The PolyPro FR® II material is known to be cost-effective and can also be fabricated into a wide range of designs using cost-effective fabrication methods, such as die-cutting or knife-cutting. Not only that, but the material also exhibits excellent formability characteristics. As a result, it can be scored, shipped flat and quickly folded into many three-dimensional shapes.
PolyPro FR® II provides a lower cost alternative for designs incorporating the use of materials such as aramid papers or polycarbonate films.
PolyPro FR® can be customer fabricated for a wide range of application designs. It’s ability to be scored and formed allows it to be made into insulating boxes for various applications in electrical and electronic equipment. Manufactured by The Gund Comapny, PolyPro® is a flame retardant Polypropylene extruded for electrical insulation applications in electrical and electronic power systems equipment.