L-303XL ADHESIVE  is a 250°F (121°C) curing, flame retardant, modified epoxy film adhesive with high peel strength. L-303XL is intended to be used for structural bonding of aluminum, fiberglass, aramid, and other structural materials to themselves and to various types of core materials (aluminum, aramid/phenolic, PVC foam, and paper) for sandwich construction.

Features and Benefits
• The high peel strength and high toughness of L-303XL allow the designer to use this material in high abuse areas such as aircraft interiors, cargo systems, marine bulkheads, etc.
• L-303XL is highly adaptable to various curing temperatures and pressures
• L-303XL can be processed in an autoclave, heated press or vacuum bag
• ‘In-hot, out-hot’ press cycles may be developed for this adhesive when using dry sub-components
• Meets or exceeds the flammability requirements of FAR Part 25.853


  • Global Business Unit
    Composite Materials
  • Synonyms
    L; 303; XL


Segments Applications
Interior Galleys & lavatories | Flooring | Storage bins | Cabin Linings
Segments Applications
High Speed Train Interiors
Boats General marine | Interiors

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Epoxy

Region of commercial availability

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

Download documentation for L-303XL