Styrene Acrylonitrile (SAN)

Styrene Acrylonitrile (SAN)

Styrene Acrylonitrile is a thermoplastic polymer that has better general chemical resistance than polystyrene and is cheaper than acrylic. It has a good combination of rigidity, strength, toughness and transparency.

Common Uses:

  • Industrial uses: Battery cases, dials, knobs, switches, lenses
  • Consumer Products: Cups, toothbrush handles, trays, containers, covers, cassette cases, disposable lighters, mixers, juicers, pencil cases, stereo dust covers, hangers, cosmetic containers
  • Medical Applications: Autoclavable devices, dental & medical light diffusers.
  • Electrical/Electronic: Battery housings, telephone components, radios, CD-players, meter covers, air conditioner impellers

Physical Properties:

  • Specific Gravity - 1.07 g/cm
  • Tensile Strength - 10000 psi
  • Flexural Strength - 18000 psi
  • Impact Strength - 0.4 ft.-lb./in

General Properties:

  • Improved chemical resistance over Polystyrene
  • Toughness
  • Dimensional stability
  • Excellent resistance to hydrocarbons, various fats and household detergents.


  • Injection Molding
  • Extrusion

Call Project Engineering at (713)643-6577 or ask an engineer