eFunda Polymers: Properties of Sulfone polymers {polysulfone, injection molding, flame-retardant, extrusion}
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Sulfone polymers		  
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State: polysulfone
Application: injection molding, flame-retardant, extrusion
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   2581  compressive   D638
  2484 - 2691  tensile   D638
Flexural Modulus (MPa)   2691   23 ºC   D790
  2553   94 ºC   D790
  2415  122 ºC   D790
  2139  149 ºC   D790
Tensile Strength (MPa)   71 - 81 at yield   D638
Compressive Strength (MPa)
at yield or break		   96 - 276     D695
Flexural Strength (MPa)
at yield or break		  107 - 121     D790
Elongation at break (%)   50 - 100     D638
Hardness   69  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.5 - 0.7     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   56     D696
Deflection Temperature (ºC)  182   0.46 MPa   D648
 174   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.259     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.24 - 1.25   D792
Water Absorption (% weight increase)  0.8  saturated D570
 0.3  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   425   D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  3.5 - 9   D1238
Melting Temperature (ºC)  187 - 190  Tg, amorphous  
Melting Temperature (ºC)  187 - 190  Tm, crystalline  
Processing Temperature (ºC)  330 - 399  injection molding  
 316 - 372  extrusion  
Molding Pressure (MPa)   35 - 138    
Compression Ratio  2.5 - 3.5    
Linear Mold Shrinkage (cm/cm)  0.0058 - 0.007   D955

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Suppliers
BASF Corp. Mount Olive, NJ  800-BC-RESIN
Solvay Advanced Polymers, L.L.C. Alpharetta, GA  800-621-4557

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