PPS (Polyphenylene Sulfide)

PPS is a high-performance semi-crystalline thermoplastic offering exceptional chemical resistance and thermal stability. It's particularly suitable for demanding applications in corrosive environments and high temperatures.

PPS (Polyphenylene Sulfide)

PPS (Polyphenylene Sulfide) Material Properties

Mechanical Properties

  • High strength and stiffness
  • Excellent dimensional stability
  • Good wear resistance
  • Low creep
  • High fatigue resistance
  • Good impact resistance

PPS (Polyphenylene Sulfide) Thermal Properties

  • Heat deflection temperature: 260°C
  • Continuous use temperature: 220°C
  • Excellent flame resistance
  • Low thermal expansion
  • High thermal conductivity

PPS (Polyphenylene Sulfide) Processing Properties

  • Good processability
  • Fast crystallization
  • Low mold shrinkage
  • Good flow properties
  • Suitable for precision parts
  • Multiple processing methods

PPS (Polyphenylene Sulfide) Parts Manufacturing Processes

Injection Molding

Excellent

Advantages

  • High temperature resistance
  • Chemical resistant
  • Good dimensional stability
  • Complex parts possible

Key Parameters

melt temperature: 310-340°C
mold temperature: 130-160°C
injection pressure: 80-130 MPa

CNC Machining

Good

Advantages

  • High precision
  • Good surface finish
  • No internal stress
  • Custom geometries

Key Parameters

cutting speed: 150-250 m/min
feed rate: 0.05-0.15 mm/rev
tool type: Carbide tools

3D Printing

Moderate

Advantages

  • High temperature resistance
  • Chemical resistant
  • Complex geometries
  • Fast prototyping

Key Parameters

nozzle temperature: 310-330°C
bed temperature: 130-150°C
layer height: 0.1-0.2mm

PPS (Polyphenylene Sulfide) Technical Specifications

density

1.35 g/cm³

water absorption

<0.02%

tensile strength

80-83 MPa

flexural modulus

3800 MPa

impact strength

40 J/m

heat deflection

260°C

dielectric strength

20 kV/mm

volume resistivity

10^16 Ω·cm

Processing Guidelines

molding temperature

310-340°C

mold temperature

130-160°C

drying conditions

150°C for 3-4 hours

injection pressure

80-130 MPa

recommended thickness

0.8-3.5 mm

PPS (Polyphenylene Sulfide) Parts Industry Applications

Automotive

  • Fuel system components
  • Transmission parts
  • Under-hood components
  • Electrical connectors

Electrical

  • Connector housings
  • Switch components
  • Coil formers
  • Circuit board substrates

Industrial

  • Pump components
  • Valve parts
  • Chemical processing equipment
  • Heat exchanger components

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