eFunda Polymers: Properties of Polyimide {thermoplastic, 40% graphite filled}
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Polyimide
 
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State: thermoplastic
Additives: 40% graphite filled
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  96600  tensile   D638
Flexural Modulus (MPa)   4830   93 ºC   D790
Tensile Strength (MPa)   52 at break   D638
Flexural Strength (MPa)
at yield or break
 124     D790
Elongation at break (%)   3     D638
Hardness   27  Rockwell E   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  0.4     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   38     D696
Deflection Temperature (ºC)  360   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  1.731     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.65   D792
Water Absorption (% weight increase)  0.6  saturated D570
 0.14  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  365  Tg, amorphous  
Processing Temperature (ºC)  366  compression molding  
 366  transfer molding  
Molding Pressure (MPa)   21 - 34    

Suppliers
DuPont Co., Polymers Wilmington, DE  800-438-7225
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