L-556FR PREPREG  is a heat resistant modified epoxy prepreg with flame retardant additives. This product may be used for many structural or general purpose applications.
L-556FR prepreg utilizes L-356FR modified epoxy resin combined with glass reinforcement. L-556FR is primarily supplied as impregnated 7781 style fiberglass fabric.

Features and Benefits
• Outstanding heat resistance
• L-556FR may be cured over a wide range of temperatures and pressures
• Very good handling characteristics
• Creates a tough, durable structure


  • Global Business Unit
    Composite Materials


Segments Applications
Lightweighting External Parts | Structural & Semi-Structural Parts

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Epoxy
Process Materials Release Fabric Modified glass fabrics

Region of commercial availability

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

Download documentation for L-556FR