eFunda Polymers: Properties of ABS {20% PAN carbon fiber, EMI shielding (conductive)}
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Additives: 20% PAN carbon fiber
Application: EMI shielding (conductive)
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  12420 - 13800  tensile   D638
Flexural Modulus (MPa)   6141 - 12420   23 ºC   D790
Tensile Strength (MPa)  104 - 110 at break   D638
Compressive Strength (MPa)
at yield or break
 117     D695
Flexural Strength (MPa)
at yield or break
 159 - 173     D790
Elongation at break (%)   1 - 2     D638
Hardness  108  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  0.5     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   18     D696
Deflection Temperature (ºC)  107 - 110   0.46 MPa   D648
 102 - 107   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.401     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.13 - 1.14   D792
Water Absorption (% weight increase)  0.17  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  100 - 110  Tg, amorphous  
Processing Temperature (ºC)  213 - 260  injection molding  
Molding Pressure (MPa)   103 - 207    
Linear Mold Shrinkage (cm/cm)  5 - 0.004   D955

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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