PPS Bar

A semi crystalline, high temperature thermoplastic polymer.

PPS (polyphenylensulfide) is a reinforced, self lubricating polyphenylene sulfide for demanding applications and is a cost effective alternative to PEEK in some applications.

PPS plastic is a semi crystalline, high temperature thermoplastic polymer. Due to its structure, PPS is a very chemically resistant polymer with very good mechanical strength, even at temperatures above 200°C. In addition to its low water absorption, PPS polymer also has good dimensional stability and excellent electrical properties. PPS thermoplastic is chemically very stable, even at high temperatures.

PPS is ideal for applications where PA, POM, PET, PEI and PSU fall short, or where PBI, PI, PEEK and PAI are over-engineered and a more economical solution is required.

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Range

Product FormSize Range
Round Bar (Natural)10.0mm - 30.0mm
If you do not see what you are looking for, please contact your local service centre with your specific requirements.

Properties

Properties below are for natural bar.

PropertyParameterTest MethodValue
Mechanical Properties
Modulus of Elasticity1mm/minDIN EN ISO 527-24100 MPa
Compression Modulus5mm/minEN ISO 6043300 MPa
Ball Indentation HardnessEN 2039-148 MPa
Tensile Strength50mm/minDIN EN ISO 527-2102 MPa
Flexural Strength2mm/min, 10 NDIN EN ISO 178151 MPa
Elongation at Break50mm/minDIN EN ISO 527-24%
Thermal Properties
Service TemperatureShort termNN260 °C
Service TemperatureLong termNN230 °C
Melting TemperatureDIN EN ISO 11357281 °C
Thermal ConductivityISO 22007-4:20080.25 W/(k*m)
Specific HeatISO 22007-4:20081.0 J/(g*K)
Electrical Properties
Volume ResistivityDIN IEC 600931014 Ohm*cm
Surface ResistivityDIN IEC 600931014 Ohm
Other Properties
Water Absorption24h/96h (23 °C)DIN EN ISO 620.01%
Flammability (UL94)DIN IEC 60695-11-10V0
Density1.36 g/cm³

Applications

  • Semiconductor industry: test sockets, electrical connectors and insulators
  • Electronic industry: Connectors, contact rails, heat shields, contact pressure discs and special types for semicon production
  • Automotive industry: "under the hood", fuel and brake systems
  • Medical industry: Parts for surgical instruments
  • Mechanical engineering: Compressor and pump-parts, gears, valves, slide bearings, chain guides and base plates
  • Chemical industry: Valves, taps, bushings, pumps, nozzels, tubes and rollers

Characteristics

  • High purity characteristics
  • High crystallinity
  • Good electrical insulation
  • High mechanical strength
  • Excellent high temperature resistance
  • Very high chemical resistance
  • Creep resistance
  • Dimensional stability over wide variations of temperature and moisture levels

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