Unfilled Polyetheretherketone (PEEK)
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Acrylic Impact Modified (PMMA)
 

Thermo-Physical Properties

PROPERTY UNIT VALUE / RANGE
Melting Point °C 
Density g mL-1 1.16 - 1.18
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 7.25 - 9.50
Heat Deflection Temperature, 0.5 MPa °C 79 - 85
Heat Deflection Temperature, 1.8 MPa °C  
Thermal Conductivity W / mK 0.19 - 0.23
Rockwell Hardness,  M Scalen/a M39 - M84
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 37 - 48
Elongation, Yield %  
Elongation, Break % 4.8 - 7.6
Tensile Modulus at 23 CMPa 1725 - 2790
Flexural Strength, Yield MPa 71 - 99
Flexural Modulus  MPa 1860 - 2620
Compressive Strength MPa 
Izod Notched J / m 32 - 59
Izod Unnotched J / m  
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 1.0 - 3.1
Dielectric Constant @ 1 MHz n/a 2.2 - 3.9 (2.8)
Dissipation Factor @ 1 MHz n/a, x 10-4 0.025 - 0.046
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C121 - 157
Mold Shrinkage %  
Continuous Service Temperature °C 71 - 85
Water Absorption, 24 hr. Immersion% 0.3 - 0.5
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