Aerospace Qualified Prepreg Materials

PH 831

  • Crush-core prepreg for short curing cycles
  • Self-adhesive resin system for sandwich panel application
  • Non-halogenated resin formulation
  • Excellent FST behaviour
  • Good surface quality
  • Long shelf and shop life

PH 831 phenolic is a halogen-free and self-adhesive modified phenolic system designed for very good surface quality and excellent heat-release and smoke density properties.

Both monolithic and sandwich structures can be easily manufactured with this prepreg. The curing can be performed by press, vacuum and autoclave moulding with a pressure of at least 0.7 bar / 10 psi.

The prepreg is especially suitable for curing of sandwich panels in an isothermal press cycle without heating and cooling stages. This hot-in/hot-out (HI-HO) crush-core process is a fast manufacturing method with curing cycles less than 10 minutes and is mainly used to produce curved interior sandwich panels such as sidewalls or ceilings.


PH 831 prepreg is suitable for:

  • Aviation and aerospace industries
  • Machine industries
  • Marine and automotive applications