Formulated for structural components requiring FST properties, RP570 FR is a fire-retardant ultra-fast prepreg system which is cured and demouldable after 5 minutes at 160°C. This express resin system is principally designed for snap cure press moulding, however it can equally be used in conventional autoclave moulding and significantly reduces time in the autoclave – up to 50% less – thereby increasing productivity and lowering energy consumption per part.

RP570 FR is tested to Federal Aviation Requirements 25.853 Appendix F Part 1, AITM 2.0007 and 3.0005, UL94 V1 and FMVS Standard No.302.

Shortlisted for the Composites UK Industry Awards 2023 in the category of Innovation in Composite Materials.


Key Features & Benefits

  • Fully cured and demouldable in 5 minutes at 160°C
  • Cure range from 140°C - 160°C
  • DMA Tg E’ Onset: 127.9°C
  • DMA Tg Tan δ Peak: 161.8°C
  • Excellent surface finish
  • Can be preformed
  • Out life: 60 days at 20°C

FST Properties Summary

Test panel of 2mm carbon fibre:

  • FAR 25.853 Appendix F Part 1 (b) (4) – Vertical Test (12 second) PASS
  • FAR 25.853 Appendix F Part 1 (b) (4) – Vertical Test (60 second) PASS
  • AITM 2.0007 Determination of the specific optical smoke density of component parts or sub-assemblies of aircraft interior – Smoke Density PASS
  • AITM 3.0005 Determination of specific gas components of smoke generated by aircraft interior materials – Smoke Toxicity PASS
  • UL94 – Vertical Burning Test for Classifying Materials V-0, V-1 or V-2 – Vertical Test (30 second) V1
  • Federal Motor Vehicle Safety Standard No.302 – Flame Surface Spread PASS

RP570 FR Technical data

News: Selected to be part of the Innovation Gallery at Advanced Engineering 2023. Visit us at Stand W150 to discuss RP570 FR and our full range of class-leading prepreg materials.