1.    Styrene acrylonitrile resin is a copolymer plastic consisting of styrene and acrylonitrile.

2.     It is also known as SAN.

3.     It is widely used in place of polystyrene owing to its greater thermal resistance.

4.     The chains of between 70 and 80% by weight styrene and 20 to 30% acrylonitrile.

5.     KUMHO SAN has good transparency, high stiffness, and chemical resistance for the foaming products and is applicable to electronics, daily supplies, ABS, and different compounding.