FR308 prepreg is a flame retardant resin system meeting the flame, smoke and toxicity (FST) requirements of aerospace standard CS 25.853 and rail standard EN 45545. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements. This resin system colour is dark brown / black.
Derived from a bio-based waste feedstock with expectional FST characteristics, FR308 is ideal for mass transport interiors in both aerospace and rail. A phenolic replacement system with none of the traditional risk phrases associated with phenolics.
Supplied with SHD's renowned service, including:
Short two-week lead times and low MOQs
Exceptional product quality
First class technical support
Excellent customer service
The same manufacturing equipment and processes across all sites
This material should be kept frozen at -18°C (0°F) for a maximum storage life. If kept refrigerated at 6°C storage life will be reduced to 2 months. It must be kept sealed in a polythene bag which must not be opened until fully thawed to room temperature. If the material is not fully used, then the material must be resealed in the polythene bag to prevent moisture absorption.
Please refer to the product Safety Data Sheet before using this material.
The following precautions must be taken when using PFA resin prepregs:
Impervious gloves are recommended
To avoid exotherm, particular care must be taken with thick laminates
Ramp rates must not exceed 3.0°C (5.4°F)/min during initial cure and 1.0°C (2°F)/min during post cure
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FR308 is designed for applications where fire, smoke and toxicity performance is critical. It meets CS 25.853 requirements, making it suitable for aerospace interior components and other areas where strict fire safety standards apply.
FR308 is compliant with EN45545-2 and achieves a HL3 rating, making it suitable for demanding rail applications where high levels of fire safety are required.
Yes. FR308 is a more environmentally friendly alternative to traditional phenolic and flame-retardant epoxy systems with a 99% bio-based formulation, while still offering strong fire, smoke and toxicity performance for aerospace, rail and construction applications.
Yes. FR308 can be supplied on a range of fabrics to suit different manufacturing, performance and cost requirements. Standard options include carbon and glass fibre, with other reinforcements available on request.
FR308 is designed to deliver strong flame, smoke and toxicity performance. Independent testing shows it meets key aerospace and rail requirements, making it suitable where limiting smoke and harmful gas emissions is critical.
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