L-597 is a 275?F – 290?F (135?C – 143?C) curing, modified phenolic prepreg with low heat release properties designed for fast cure cycles in crushed core processing. L-597 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb in aircraft interior honeycomb sandwich panels.

Features and Benefits
  • Crushed core processing for high volume applications and fast curing times 
  • Processes rapidly in most platen presses 
  • Capable of conforming to crushed core tooling
  • Self-extinguishing per FAR part 25.853 
  • Can be used to create complex structures 
  • Cure cycles as short as 10 minutes are possible


  • Global Business Unit
    Composite Materials


Segments Applications
Public Transportation Interiors

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Phenolic

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for L-597