Polyphenylene Sulfide (PPS)

Polyphenylene Sulfide (PPS)

Polyphenylene Sulfide (PPS) is an important and popular polymer because of it’s resistance to heat, acids, alkalis, mildew, bleaches, aging, sunlight, and abrasions. Because of its inherent flame retardancy, PPS is ideal for high temperature electrical applications. Because of its low viscosity, PPS can be molded with high loading of fillers and reinforcements, which is needed to compensate for its inherent brittleness. However, fillers and reinforcements can also increase strength, surface properties, dimensional stability, electrical properties, and overall cost.

Common Uses:

  • Industrial Uses: Chemical pumps, conveyor rollers, bearings, bushings, caps, grips, handles, insulation
  • Automotive Industry: various “under the hood” products
  • Consumer products: computer data storage, lighting fixtures, support for trays, packaging
  • Used for a variety of products in the medical, aerospace fields

Physical Properties:

  • Specific Gravity - 1.82 g/cm
  • Tensile Strength - 5370 psi
  • Flexural Strength - 10000 psi
  • Impact Strength - .523 ft-lb/in

General Properties:

  • Excellent chemical resistance
  • High temperature performance
  • High modulus when reinforced
  • Flame retardant
  • Low Viscosity
  • High flowability


  • Injection Molding
  • Extrusion

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