eFunda Polymers: Properties of Sulfone polymers {polysulfone, 30% carbon fiber, EMI shielding (conductive)}
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Sulfone polymers		  
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State: polysulfone
Additives: 30% carbon fiber
Application: EMI shielding (conductive)
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  14835 - 19320  tensile   D638
Flexural Modulus (MPa)  13110 - 15870   23 ºC   D790
Tensile Strength (MPa)  159 - 163 at break   D638
Compressive Strength (MPa)
at yield or break		  173     D695
Flexural Strength (MPa)
at yield or break		  214 - 242     D790
Elongation at break (%)   2 - 2     D638
Hardness   80  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.6 - 1.0     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   6     D696
Deflection Temperature (ºC)  185 - 194   0.46 MPa   D648
 183 - 185   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.36 - 1.7   D792
Water Absorption (% weight increase)  0.15 - 0.25  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  190  Tg, amorphous  
Melting Temperature (ºC)  190  Tm, crystalline  
Processing Temperature (ºC)  288 - 372  injection molding  
Molding Pressure (MPa)   69 - 138    
Compression Ratio  2.5 - 3.5    
Linear Mold Shrinkage (cm/cm)  0.0005 - 0.001   D955

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Suppliers
DSM Engineering Plastic Products, Inc. Reading, PA  800-729-0101
Ferro Corp. Cleveland, OH   
LNP Engineering Plastics, Inc. Exton, PA  800-854-8774
RTP Co. Winona, MN  800-433-4787

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