eFunda Polymers: Properties of Polyimide {thermoplastic, 30% glass fiber reinforced}
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Polyimide		  
List of Suppliers
State: thermoplastic
Additives: 30% glass fiber reinforced
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  11868  tensile   D638
  3161  compressive   D638
Flexural Modulus (MPa)   9591   23 ºC   D790
  8108  149 ºC   D790
Tensile Strength (MPa)  166 at break   D638
Compressive Strength (MPa)
at yield or break		  190     D695
Flexural Strength (MPa)
at yield or break		  243     D790
Elongation at break (%)   3     D638
Hardness  128  Rockwell R   D638
 104  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   1.2     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   17 - 53     D696
Deflection Temperature (ºC)  243   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.372     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.56   D792
Water Absorption (% weight increase)  0.23  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   528   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  250  Tg, amorphous  
Melting Temperature (ºC)  388  Tm, crystalline  
Processing Temperature (ºC)  390 - 420  injection molding  
Molding Pressure (MPa)   69 - 207    
Compression Ratio  1.7 - 2.3    
Linear Mold Shrinkage (cm/cm)  0.0044   D955

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Suppliers
Mitsui Chemicals America, Inc. Purchase, NY  800-682-2377
RTP Co. Winona, MN  800-433-4787

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