Styrene Acrylonitrile (SAN) Resin Market Overview Styrene acrylonitrile (SAN) resin is a transparent, amorphous thermoplastic known for its high clarity, rigidity, thermal stability, and resistance to chemicals and UV radiation. Composed of styrene and acrylonitrile, this copolymer is widely used in applications such as automotive components, household appliances, packaging, and construction....