eFunda Polymers: Properties of Ketones {poly(arylether-ketone), modified, 40% glass}
engineering fundamentals Polymer Material Properties
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Ketones		  
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State: poly(arylether-ketone)
Additives: modified, 40% glass
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  15525  tensile   D638
Flexural Modulus (MPa)  14490   23 ºC   D790
 13524   94 ºC   D790
 12075  122 ºC   D790
 10350  149 ºC   D790
Tensile Strength (MPa)  156 at break   D638
Compressive Strength (MPa)
at yield or break		  228     D695
Flexural Strength (MPa)
at yield or break		  235     D790
Elongation at break (%)   2     D638
Hardness  103  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.6     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   19     D696
Deflection Temperature (ºC)  340   0.46 MPa   D648
 308   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.368     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.6   D792
Water Absorption (% weight increase)  0.04  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   385   D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  15 - 25   D1238
Melting Temperature (ºC)  324  Tm, crystalline  
Processing Temperature (ºC)  380 - 408  injection molding  
Molding Pressure (MPa)   69 - 138    
Compression Ratio  2    
Linear Mold Shrinkage (cm/cm)  0.001 - 0.009   D955

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Suppliers
RTP Co. Winona, MN  800-433-4787
Solvay Advanced Polymers, L.L.C. Alpharetta, GA  800-621-4557

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