Perlast® FFKM offers significant advantages over other materials for critical aerospace seals.
Perlast® G77X has been engineered specifically to deliver exceptional performance and reliability in these unique conditions.
This innovative material grade is compliant with AMS 7257 Rev E, with full audit and certification from Nadcap and AS9100.
Perlast® G77X is a class-leading FFKM for aerospace applications including:
Aircraft engines
Hydraulic systems
De-icing systems and equipment
Cabin air systems
Key features and benefits
The material characteristics of Perlast® FFKM result in key performance advantages over similar materials.
Operators using Perlast® materials for aerospace seals can expect significant improvements in performance, reliability, and seal life, extending maintenance intervals and reducing the overall cost of ownership.
PPE holds many prime contractor and OEM quality approvals. Our short lead times make us an ideal partner for Maintenance Repair and Overhaul (MRO) events, reacting quickly to aircraft-on-ground (AOG) situations to get your aircraft back in operation faster.
High temperatures
Low compression set
Chemical resistance
Full compliance
Perlast® G77X offers unrivalled high temperature capability – up to 350°C (662°F) – with an excellent response to temperature cycling effects.
Perlast® G77X demonstrates exceptionally low compression set over extended periods, delivering outstanding seal force retention properties.
Perlast® G77X is highly resistant to a wide range of fuels, oil and hydraulic fluids present in aerospace applications.
Perlast® G77X is tested and compliant with AMS 7257 Rev E, with full audit and certification from Nadcap and AS9100, NCAGE number U6183.
High temperatures expand_more
Perlast® G77X offers unrivalled high temperature capability – up to 350°C (662°F) – with an excellent response to temperature cycling effects.
Low compression set expand_more
Perlast® G77X demonstrates exceptionally low compression set over extended periods, delivering outstanding seal force retention properties.
Chemical resistance expand_more
Perlast® G77X is highly resistant to a wide range of fuels, oil and hydraulic fluids present in aerospace applications.
Full compliance expand_more
Perlast® G77X is tested and compliant with AMS 7257 Rev E, with full audit and certification from Nadcap and AS9100, NCAGE number U6183.
Compliance and Aerospace Seals
PPE works closely with major international aerospace clients, and has a deep appreciation of the importance of regulatory compliance.
Perlast® FFKM materials for aerospace applications are Nadcap and AS9100 certified, with Perlast® G77X also tested to AMS 7257 Rev E.
Our in-house R&D specialists are also across the latest developments in proposed PFAS restrictions, and are taking all necessary steps to ensure seal performance and reliability for the aerospace sector is not compromised.
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O-ring size (no tooling charge)
PFAS statement
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Looking for more technical detail? Check out our Resources & Tools.
Resources for Aerospace Seals
Browse some of our key resources relating to sealing for critical aerospace applications.
- WATCH: ‘Perlast and the value of a technical sealing partner’, with Stuart Campton (Strategic Market Development Leader, Fluorinated Products)
- WATCH: ‘Perlast and regulatory compliance’, with Jon Riley (Product Manager, Fluorinated Products)
- PPE ANIMATION: ‘How can total cost of ownership save you money?’
