eFunda Polymers: Properties of Polyphenylene Sulfide {40% PAN carbon fiber, EMI shielding (conductive)}
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Polyphenylene Sulfide		  
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Additives: 40% PAN carbon fiber
Application: EMI shielding (conductive)
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  30360 - 33120  tensile   D638
Flexural Modulus (MPa)  26910 - 28290   23 ºC   D790
Tensile Strength (MPa)  180 - 201 at break   D638
Compressive Strength (MPa)
at yield or break		  187     D695
Flexural Strength (MPa)
at yield or break		  276     D790
Elongation at break (%)   1 - 2     D638
Hardness  123  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.6 - 0.8     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   8     D696
Deflection Temperature (ºC)  263   0.46 MPa   D648
 263   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.46 - 1.49   D792
Water Absorption (% weight increase)  0.02  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  275 - 285  Tm, crystalline  
Processing Temperature (ºC)  316 - 358  injection molding  
Linear Mold Shrinkage (cm/cm)  0.0005   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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