PPS
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Polyphenylene Sulfide (PPS)
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C280
Density g mL-1 1.35
Coefficient of Thermal Expansioncm / (cm °C) x 10-5 5.2 - 5.3
Heat Deflection Temperature, 0.5 MPa °C  
Heat Deflection Temperature, 1.8 MPa °C 115 - 120
Thermal ConductivityW / mK 0.29 - 0.32
Rockwell Hardness,  M Scale n/a M90 - M100
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 33 - 90
Elongation, Yield %  
Elongation, Break % 1.0 - 8.0
Tensile Modulus at 23 CMPa 3800 - 4200
Flexural Strength, Break MPa 125 - 135
Flexural Modulus  MPa 3750 - 3900
Compressive Strength, 1% - 2% MPa 
Charpy Impact Strength kJ/m2 8.0 - 45
Izod Unnotched kJ/m2 2.0 - 3.5
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm x 1014 109
 Dielectric Strength V/mm x 104 1.7 - 1.8
Dielectric Constant @ 1 MHz n/a 4.0 - 4.5
Dissipation Factor @ 1 MHz n/a, x 10-4 11 - 84
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C305 - 320
Mold Shrinkage % 0.001 - 0.003
Continuous Service Temperature °C  
Water Absorption, 24 hr. Immersion% 0.02
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