eFunda Polymers: Properties of Polyphenylene Oxide (modified) {alloy with polystyrene, 15% glass fiber reinforced}
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Polyphenylene Oxide (modified)		  
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Additives: alloy with polystyrene, 15% glass fiber reinforced
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)   3105 - 3450   23 ºC   D790
Tensile Strength (MPa)   69 - 83 at break   D638
Elongation at break (%)   5 - 8     D638
Hardness  106 - 110  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.6 - 0.7     D256A

 Thermal Properties Conditions
Pressure State ASTM
Deflection Temperature (ºC)  134 - 138   0.46 MPa   D648
 123 - 127   1.82 MPa   D648

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  100 - 125  Tg, amorphous  
Processing Temperature (ºC)  205 - 333  injection molding  
 238 - 274  extrusion  
Molding Pressure (MPa)   69 - 276    
Linear Mold Shrinkage (cm/cm)  0.002 - 0.004   D955

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Suppliers
GE Plastics Pittsfield, MA  800-845-0600
Polymer Resources, Ltd. Farmington, CT  800-243-5176

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