Elastomerics Blog

Imagine a world where you can skip a traffic jam by flying across the city or reach a remote destination in no time. Advanced Air Mobility (AAM) and electric vertical take-off and landing (eVTOL) aircrafts are bringing that future closer than ever. These innovative vehicles offer sustainable solutions for short distance travel, but they also come with challenging sealing needs similar to those in the aerospace industry.

That’s where the collaboration between Rogers Corporation and Stockwell Elastomerics makes a difference. With decades of aerospace expertise and thousands of applications designed, both Rogers and Stockwell Elastomerics are trusted partners in delivering reliable, high performance solutions for mission critical applications. By combining Rogers’ advanced materials with Stockwell Elastomerics’ precision fabrication capabilities, we empower engineers to tackle the most demanding eVTOL sealing challenges.

Sealing Applications in eVTOLs

1. Interior Applications
   • Floor Panel Sealing: BISCO® BF-1000 silicone foam offers fire resistance, excellent compression set resistance, and low closure force while meeting aerospace standards like FAR 25.853.
   • Wire and Cable Sealing: ARLON® self-fusing silicone tapes provide secure, adhesive-free sealing for wiring systems.
   • Cargo Bin and Gap Fillers: BISCO® BF-1000/1005 ensures durability and compliance with FAR 25.853, Boeing BMS 1-68, and Airbus ABS5006. Stockwell Elastomerics offers slit-to-width gasket tape rolls for applications like cargo bins and gap fillers where customers require flexible sizing and form for install.
   • Bellow Seals: BISCO® MSK2 provides lightweight yet abrasion resistant sealing while meeting ABS 5026 standards.
2. Exterior Applications
   • Door Gaskets: BISCO HT-series silicones and SilENG kSil series offer resistance to UV, ozone, and extreme temperatures.
   • Hoses and Ducts: ARLON silicone substrates provide lightweight, flame resistant solutions for ducts and hoses, while meeting ABS 5026 standards.
3. Li-ion Battery Pack Applications
   • Environmental Seals: BISCO HT-series silicones provide reliable long term sealing with low stress relaxation, even in harsh conditions such as water immersion.

Material Selection for Environmentally Sensitive Applications

Stockwell Elastomerics’ Applications Engineering team can help recommend these materials for specific applications based on temperature and UV ranges and help customers find the best fit. Engineers can provide advice based on environmental testing board sharing anecdotal evidence of specific reactions to UV, wind, and temperature changes.

In the photos shown below, BISCO HT-800, BISCO BF-1000, and various densities of PORON® can be seen after having been removed from a testing board with 5 years of full exposure. Details on uses of PORON in eVTOL can be found in the previous blog post in this series about eVTOL applications.

eVTOL Materials
PORON 4701-40	BISCO BF-1000	BISCO HT-800
In the materials shown above, wear and tear can be seen on material surface, but cell structure has maintained stability, allowing the seal or pad to maintain high performance.

Why Choose Rogers and Stockwell Elastomerics for eVTOL and AMM Application Design?

Designing eVTOLs comes with its own unique set of challenges – from meeting stringent safety standards to minimizing space and weight. Rogers and Stockwell Elastomerics tackle these challenges by combining high performance materials, advanced fabrication capabilities, and decades of aerospace application design experience to help engineers take projects from prototype to production.

Our comprehensive approach includes:

• High Performance Materials: Rogers provides high performance materials that meet stringent aerospace requirements, backed by a technical service team that supports extensive testing and design services.
• Fabrication and Customization: Stockwell Elastomerics specializes in precision cutting, lamination, and rapid prototyping to meet specific design requirements.
• Aerospace Expertise: Rogers and Stockwell Elastomerics have several decades of aerospace experience and have done thousands of projects for the aerospace industry.

Learn More

The future of advanced air mobility and transportation is taking off. Contact us today to discover how Rogers and Stockwell Elastomerics can help with sealing and gap filling solutions for eVTOLs.

The following are registered trademarks of Rogers Corporation:
BISCO®
PORON®
ARLON®