Fire-Resistant PFA Prepregs

Fire-Resistant PFA Prepregs

Evopreg® PFC polyfurfuryl alcohol (PFA) resin prepregs are a 100% bio-derived alternative to phenolics for applications where fire performance is a critical requirement.

Evopreg® PFC502

Fire-retardant prepregs with low environmental impact

Evopreg® PFC502 prepregs are a range of fire-retardant, pre-impregnated composite materials based on Polyfurfuryl Alcohol (PFA) bioresin. PFA is a thermosetting bioresin derived from crop waste and is similar to phenolic resin but with lower toxicity and VOC emissions. In addition to its environmental credentials, PFA has outstanding fire retardant properties, plus excellent temperature and chemical resistance. 

Evopreg® PFC502 prepregs can be supplied with a range of reinforcement fibres and fabric constructions, including glass, carbon  and ampliTex™ flax (for a 100% biocomposite). 

They can be consolidated by vacuum bag/oven, autoclave or press moulding and are designed for applications including aircraft interiors, rail interiors, marine, offshore and construction.

Download our datasheets for full technical specifications and processing methods.

PFC502
Key FeaturesOutstanding FST performance, low toxicity and low VOC emissions, low environmental impact
ProcessingVacuum bag/oven, autoclave, press moulding
Tg (onset)n/a
Out-life at room temperature14 days
Tack levelMedium
Recommended cure140ºC 45 minutes
Aerospace Fire Performance
FAR/CS 25.853
Vertical Burn 60s (flaming): Pass
4 minute smoke density: Pass (4)
Toxic gas: Pass
Max heat release rate: Pass (28.3 kW/m2)
Total heat release: Pass (9.7 kW.min/m2)
Rail Fire Performance
EN 45545-2 (R1, R6)
CFE: HL3
MARHE: HL3
Ds4: HL3
VOF4: HL3
CITG4 (4 min): HL3
CITG4 (8 min): HL3
Technical Dataclick here for TDS

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