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.250" x 48" x 23" Aramid Honeycomb Core - Over-Expanded Cell

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SKU: XS-CR-NHX-0.250-2.5-23-49-W



The Over-Expanded Aramid Honeycomb is a lightweight, high strength, nonmetallic honeycomb core material manufactured from aramid fiber paper. The over-expanded cell shape allows the core to flex in one direction easily, making it suitable for forming simple curves. After the honeycomb is formed, it is coated with a heat resistant phenolic resin to increase its strength and thermal properties.

Aramid Honeycomb is becoming increasingly used in high-performance, non-aerospace components due to its high mechanical properties, low density and good long-term stability. It is ideal for any structure which requires corrosion resistance and thermal insulation.

Note: Rolls along the 23" rather than 49"

Uses Include
  • Bulkheads
  • Aircraft Interior Panels
  • Floor Boards
  • Boat Hulls
  • Auto Racing Bodies
  • Train Car and Ship Panels
  • Ground Transportation Structures
  • Military Shelters
  • Ground Antennas
  • Flat panel applications
  • Where the core needs to conform to slight curvature such as a guitar back


Physical Properties
Cell Size:
3/16" +/- 10%
2.5 PCF
+/- .006"
Nomex® Paper-Commercial Grade
Material Features:
  • High strength to weight ratio
  • Corrosion resistant
  • Excellent dielectric properties
  • Thermally insulating
  • High toughness
  • Excellent creep and fatigue performance
  • Good thermal stability
Technical Properties
Compressive strength:
227 psi
Shear Strength-L Direction:
91 psi
Shear Strength-W Direction:
110 psi

Please note: All data to be used as a guide only; not a specification. All tests are based off 5" thick specimens at room temperature. Nomex® is a registered trademark of E.I. du Pont de Nemours and Company and is used with permission.


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As a leading manufacturer of composite structures you can rely on us to provide rapid, cost-effective and high-quality solutions to meet and exceed your project requirements.


Over-Expanded Cell Aramid Honeycomb is supplied in sheet sizes up to 96” x 48”. Customizable options are available on a special order basis.

  • Material
  • Cell Structure
  • Density
  • Thickness
  • Grade


Finishing Services Include:

  • CNC Machining
  • Cutting
  • Contouring/Profiling
  • Potting
  • Sandwich Panel Construction
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Due to size restrictions, this product can only be rolled along the length (96"). Custom packaging may be required when ordering multiple pieces and may have to ship via freight services. If custom packaging is required, a $50.00 handling fee will apply and will automatically be added to the order.

Final shipping charges may not be available at the time of ordering. A quote can be requested or shipping charges can be automatically billed at the time of shipment.



Products sold as a clearance may be excess inventory that does not meet the stringent specifications of medical or aerospace applications, have blemishes and/or other imperfections as noted in the product descriptions. These items are sold "As Is", are nonrefundable and will not be backordered. If an ordered quantity cannot be fulfilled, we will ship available on hand quantities and automatically cancel any remaining balance.

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