eFunda Polymers: Properties of Ketones {poly(etherether-ketone), unfilled}
engineering fundamentals Polymer Material Properties
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State: poly(etherether-ketone)
Additives: unfilled
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)   3864   23 ºC   D790
  3002   93 ºC   D790
  2001  149 ºC   D790
Tensile Strength (MPa)   70 - 104 at break   D638
  91 at yield   D638
Compressive Strength (MPa)
at yield or break
 124     D695
Flexural Strength (MPa)
at yield or break
 110     D790
Elongation at break (%)   30 - 150     D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  0.8     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)  108    > 150 ºC D696
Coef of Thermal Expansion (10-6/ºC)   40 - 47    < 150 ºC D696
Deflection Temperature (ºC)  160   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.3 - 1.32   D792
Water Absorption (% weight increase)  0.5  saturated D570
 0.1 - 0.14  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  334  Tm, crystalline  
Processing Temperature (ºC)  349 - 399  injection molding  
 349 - 382  extrusion  
Molding Pressure (MPa)   69 - 138    
Compression Ratio  3    
Linear Mold Shrinkage (cm/cm)  0.011   D955

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