Bio-Content prepreg

FR308

Flame Retardant, Bio-based

Key Features & Benefits

Key Feature 99% bio-based. Highly flame retardant. Replaces phenolic resins. CS 25.853 compliant and EN45545-2 HL3 rated

Application Bio-based, highly flame retardant system for interior structures, typically to replace phenolic resins

Initial Cure Temp 210°F- 265°F

Initial Cure Time 3 Hours- 1 Hours

Post Cure Option Consult SHD

Outlife 21 days at 70°F

TG Onset* 288°F -DMA

TG Peak* 358°F -DMA

Toughened Yes

Cure Autoclave and Press

Availability All sites

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.

Why choose this material

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

Aerospace

Advanced composites specified across major commercial aircraft today

Find out more

Technical Guidance Information

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