HTM® 131 is a clear cyanate ester resin formulated to provide excellent surface finish with a high level of mechanical performance retention at elevated temperatures. It also offers a good balance of out life, cure speed and ease of handling. DMA E' onset Tg of 400°C (752°F). Flexible cure between 135°C and 180°C (275°F and 356°F). Available on a wide range of reinforcements.


  • Global Business Unit
    Composite Materials
  • Brand


Segments Applications
Lightweighting Structural & Semi-Structural Parts

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Cyanate ester

Region of commercial availability

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

Download documentation for HTM 131