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Structural Foam Core Materials for Aircraft Cabin Interior: Diab/Diehl Aircabin

Published on 2017-04-17. Author : SpecialChem

Divinycell F - Structural Foam Core
Divinycell F - Structural Foam Core
Diehl Aircabin has signed a long-term agreement with Diab for the supply of Divinycell F and other structural foam core materials for commercial aircraft cabin interior applications.

Strategic Partnership


Diab has been supporting Diehl Aircabin with technical development of numerous cabin applications. With newly introduced cabin applications in Airbus 350 XWB and Boeing 777 using Divinycell F, it was a strategic step forward to sign a long-term agreement.

Lennart Thalin, Diab Executive Group Vice President Sales & Segments, added:
“It has been a pleasure to work with Diehl, and we are very proud of being a supplier and partner with Diehl Aircabin.”

Divinycell F - Structural Foam Core


The structural foam core, Divinycell F, is making headwind at cabin interior companies. The increased production rates for new aircraft require more industrialized manufacturing. Traditional Honeycomb solutions require intensive labor to get a good surface finish, as well as closing edges to avoid moisture absorption.
  • Divinycell F minimizes the need for labor intensive and costly putty, sanding, and sweeping steps to achieve a high-quality surface finish. 
  • Featuring closed cells and minimal water absorption, Divinycell F also eliminates the need for edge fill. Many honeycomb panel designs now incorporate Divinycell F as an edge close-out. 

Weight Saving Translating to Cost Saving


  • Using Divinycell F can save up to 20% weight compared to Nomex honeycomb solutions, which translates into substantial cost savings. 
  • The Divinycell F production line also boasts the industry’s shortest lead time and highest production capacity, benefiting customers around the world.

High-temperature Withstand


  • Divinycell F withstands high temperatures [processing temperature up to 220°C] and exceeds by far all requirements for aircraft interiors when it comes to Fire, Smoke, Toxicity (FST), and OSU heat release. 
  • The thermoplastic foam adapts to multiple production processes, reducing cycle time and cost to yield more design freedom than any other material on the market today. 

Today Divinycell is used in first and business class seats as well as lavatory interiors, galleys, luggage bins, cabin air distribution and window frames for the Airbus 350 XWB and other aircrafts.

About Diab


Diab has been at the leading edge of composite core material development for over sixty years, supplying a wide range of markets including marine, wind energy, transport, aerospace and industry. With a complete range of high-performance core materials, numerous finishing options and kit operations in combination with engineering services and expertise, Diab presents presumably the widest and most valuable offering in the sandwich composite industry.

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Source: Diab
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