PS (Polystyrene)

Polystyrene is available in general purpose (GPPS) and high impact (HIPS) grades, offering excellent clarity, rigidity, and ease of processing. Ideal for both aesthetic and functional applications.

PS (Polystyrene)

PS (Polystyrene) Material Properties

Mechanical Properties

  • High rigidity (GPPS)
  • Good impact resistance (HIPS)
  • Excellent dimensional stability
  • Good surface hardness
  • Low moisture absorption
  • Good electrical properties

PS (Polystyrene) Thermal Properties

  • Heat deflection temperature: 75-100°C
  • Maximum continuous use: 50-70°C
  • Limited heat resistance
  • Good thermal stability

PS (Polystyrene) Processing Properties

  • Excellent processability
  • Low processing temperature
  • Good flow properties
  • Easy to color
  • Good detail reproduction
  • Low mold shrinkage

PS (Polystyrene) Technical Specifications

density

1.04-1.05 g/cm³

water absorption

<0.1%

tensile strength gpps

30-55 MPa

tensile strength hips

20-35 MPa

flexural modulus

2800-3500 MPa

impact strength hips

50-160 J/m

heat deflection

75-100°C

mold shrinkage

0.4-0.7%

Processing Guidelines

molding temperature

180-280°C

mold temperature

20-60°C

drying conditions

70°C for 2-4 hours

injection pressure

70-140 MPa

recommended thickness

1.0-4.0 mm

PS (Polystyrene) Parts Industry Applications

Packaging

  • Food containers
  • Disposable cutlery
  • CD cases
  • Display packaging

Consumer Goods

  • Appliance housings
  • Toys
  • Office supplies
  • Display items

Medical

  • Petri dishes
  • Test tubes
  • Laboratory supplies
  • Diagnostic components

Ready to Start Your Project?

Contact our team to discuss your PS (Polystyrene) manufacturing needs