Alphamethylstyrene Acrilonitrile (AMSAN)

Alphamethylstyrene Acrylonitrile (AMSAN) is styrene acrylonitrile that is modified to provide for higher temperature resistance. Key characteristics of AMSAN are outstanding heat resistance, very good mechanical properties, good surface appearance, and excellent dimensional stability. AMSAN can be used alone to produce parts by injection molding or extrusion and it is also commonly used as a modifier for ABS and PVC to improve heat resistance. Typica applications include automotive parts and polymer modification.


  • Excellent heat resistance
  • Very good weather ability resistance
  • Very good surface appearance
  • Good chemical resistance
Product Finder
Entec logo

Our Services

Bring us your manufacturing goals or your best challenges – our experts will provide you with outstanding support and services.

Learn More
Entec logo

About Entec

Highly reputed for our experienced sales staff, technical guidance, and logistics expertise.

Learn More