Unfilled Polyetheretherketone (PEEK)
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Acrylic - PMMA, General Purpose Grades
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C130
Density g mL-1 1.18 - 1.19
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 5.9 - 10.1 (7.5)
Heat Deflection Temperature, 0.5 MPa °C 76 - 102
Heat Deflection Temperature, 1.8 MPa °C  
Thermal ConductivityW / mK 0.19 - 0.22
Rockwell Hardness,  M Scalen/a M60 - M93
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 59 - 70
Elongation, Yield %  
Elongation, Break % 0.5 - 5.0
Tensile Modulus at 23 CMPa 1035 - 4825 (3100)
Flexural Strength, Yield MPa 94 - 103
Flexural Modulus  MPa 2830 - 3100
Compressive Strength MPa 
Izod Notched J / m 16 - 21
Izod Unnotched J / m  
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 1.0 - 3.0
Dielectric Constant @ 1 MHz n/a 2.2 - 3.9 (2.8)
Dissipation Factor @ 1 MHz n/a, x 10-4 0.025 - 0.045
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C115 - 300 (150)
Mold Shrinkage % 0.003 - 0.007
Continuous Service Temperature °C 63 - 102
Water Absorption, 24 hr. Immersion% 0.3 - 0.4
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