eFunda Polymers: Properties of Polycarbonate {10-15% PTFE, 20% fiber reinforced, lubricated}
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Polycarbonate		  
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Additives: 10-15% PTFE, 20% fiber reinforced
Application: lubricated
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   8280  tensile   D638
Flexural Modulus (MPa)   5865 - 6210   23 ºC   D790
Tensile Strength (MPa)   83 - 104 at break   D638
Compressive Strength (MPa)
at yield or break		   76     D695
Flexural Strength (MPa)
at yield or break		  125 - 159     D790
Elongation at break (%)   2     D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   1.0 - 1.9     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   22 - 24     D696
Deflection Temperature (ºC)  144   0.46 MPa   D648
 138 - 144   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.43 - 1.5   D792
Water Absorption (% weight increase)  0.11  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  150  Tg, amorphous  
Processing Temperature (ºC)  310 - 344  injection molding  
Linear Mold Shrinkage (cm/cm)  0.002   D955

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Suppliers
ComAlloy International Co. Nashville, TN   
DSM Engineering Plastic Products, Inc. Reading, PA  800-729-0101
Ferro Corp. Cleveland, OH   
GE Plastics Pittsfield, MA  800-845-0600
LNP Engineering Plastics, Inc. Exton, PA  800-854-8774
Polymer Resources, Ltd. Farmington, CT  800-243-5176
RTP Co. Winona, MN  800-433-4787

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