eFunda Polymers: Properties of Fluoroplastics {perfluoro-alkoxyalkane (PFA)}
engineering fundamentals Polymer Material Properties
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Fluoroplastics		  
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State: perfluoro-alkoxyalkane (PFA)
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   483  tensile   D638
Flexural Modulus (MPa)   656 - 828   23 ºC   D790
Tensile Strength (MPa)   28 - 30 at break   D638
  15 at yield   D638
Compressive Strength (MPa)
at yield or break		   25     D695
Elongation at break (%)   300     D638
Hardness   64  Shore D   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		  no break     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)  140 - 210     D696
Deflection Temperature (ºC)   75   0.46 MPa   D648
Thermal Conductivity (W/m-ºC)  0.251     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  2.12 - 2.17   D792
Water Absorption (% weight increase)  0.03  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   500   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  300 - 310  Tm, crystalline  
Processing Temperature (ºC)  358 - 372  compression molding  
 360 - 399  injection molding  
Molding Pressure (MPa)   21 - 138    
Compression Ratio  2    
Linear Mold Shrinkage (cm/cm)  0.04   D955

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Suppliers
Ausimont USA, Inc. Thorofare, NJ  800-323-2874
DuPont Co., Polymers Wilmington, DE  800-438-7225
Dyneon Oakdale, MN  800-863-9374

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