CORFIL® 5250-4 is a single component, non-metallic filled, syntactic material formulated for use in insert potting, edge filling, and core filling of high temperature honeycomb sandwich structures.
CORFIL® 5250-4 is based on bismaleimide (BMI) chemistry and is available in six and twelve ounce easy-to-use cartridges.
Typical applications for CORFIL® 5250-4 include honeycomb core filling, insert potting and edge filling in BMI composite honeycomb sandwich panel construction.

Features and Benefits 
- Use in metallic and non-metallic honeycomb 
- Excellent compressive strength up to 475⁰F (246⁰C) 
- Easily spreadable 
- Co-curable with BMI composite materials, i.e. CYCOM® 5250-4


  • Global Business Unit
    Composite Materials
  • Brand


Segments Applications
Airframe Secondary structural materials | Primary structural materials

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset BMI

Region of commercial availability

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

Download documentation for CORFIL 5250-4