eFunda Polymers: Properties of Polyphenylene Sulfide {65% mineral and glass filled}
engineering fundamentals Polymer Material Properties
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Polyphenylene Sulfide		  
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Additives: 65% mineral and glass filled
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)  12420 - 16560   23 ºC   D790
 13800  122 ºC   D790
  8280  149 ºC   D790
Tensile Strength (MPa)   90 - 160 at break   D638
  76 at yield   D638
Compressive Strength (MPa)
at yield or break		   76 - 223     D695
Flexural Strength (MPa)
at yield or break		  121 - 234     D790
Elongation at break (%)   2     D638
  1 - 2     D638
Hardness  121  Rockwell R   D638
 102  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.3 - 0.7     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   13 - 20     D696
Deflection Temperature (ºC)  279   0.46 MPa   D648
 260 - 266   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.78 - 2.03   D792
Water Absorption (% weight increase)  0.02 - 0.07  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   280 - 450   D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  20 - 35   D1238
Melting Temperature (ºC)   88  Tg, amorphous  
Melting Temperature (ºC)  285 - 290  Tm, crystalline  
Processing Temperature (ºC)  316 - 358  injection molding  
Molding Pressure (MPa)   35 - 138    
Compression Ratio  3    
Linear Mold Shrinkage (cm/cm)  0.001 - 0.004   D955

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Suppliers
Ferro Corp. Cleveland, OH   
LNP Engineering Plastics, Inc. Exton, PA  800-854-8774
Phillips Chemical Co. Bartlesville, OK  800-537-3746
RTP Co. Winona, MN  800-433-4787
Ticona Summit, NJ  800-526-4960

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