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  • Home
  • Epoxy Systems
    • NT-250
    • NT-260NM
    • NT-350HT
  • Cyanate Ester Systems
    • NTC-425
  • Bismaleimide (BMI)
    • NTB-500 BMI
  • Platform Comparison
  • Store
  • Press Releases
  • Distributors
  • Trade Shows
  • Contact Us
  • AS9100

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NTB-500 BISMALEIMIDE

NTB-500 BMI

NTB-500 is a toughened BMI (Bismaleimide) prepreg system designed to be used in high temperature composite applications (TG up to 500°F (260°C)). 


NTB-500 is designed in the same manner as all Enduredge prepreg products to provide excellent out-of-autoclave processing. The prepreg system utilizes unique and proprietary engineered air release channels that provide z-directional breathing, along with a very low volatile resin chemistry. 


Finished parts demonstrate minimal through thickness void content (often <1%), excellent mechanical properties and long-term dimensional stability. 


NTB-500 is available in a variety of carbon fiber fabrics and glass fiber reinforcements.


Product Information

Targeted Product Features


  • Lower temperature 250°F (121°C) initial cure that achieves ~80% cure conversion allowing for free-standing post cure
  • Excellent Mechanical Properties with Vacuum Bag Only processing
  • Excellent Toughness
  • High Radiation Resistance
  • Very Low Moisture Absorption
  • Low Outgassing


Ideal Applications


  • High Temp Applications
  • Radomes
  • Space and Launch Vehicles
  • Aerospace Structures
  • Applications that require very high Tg


Find out more

NTB-500 BMI Data Sheet

NTB-500 BMI DataSheet (pdf)Download

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Ordering is Easy!

Prepregs available as a 6"x 6" sample or lengths of 

10 yds, 25 yds or a full roll.

Order Here