eFunda Polymers: Properties of Polyurethane {thermoplastic, long glass reinforced, molding compound}
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Polyurethane		  
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State: thermoplastic
Additives: long glass reinforced
Application: molding compound
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  11730 - 17250  tensile   D638
Flexural Modulus (MPa)  10350 - 15180   23 ºC   D790
Tensile Strength (MPa)  187 - 228 at break   D638
 187 - 228 at yield   D638
Flexural Strength (MPa)
at yield or break		  311 - 394     D790
Elongation at break (%)   2     D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   4.2 - 8.5     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   1 - 1     D696
Deflection Temperature (ºC)  110 - 188   0.46 MPa   D648
  94 - 127   1.82 MPa   D648

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)   75  Tm, crystalline  
Processing Temperature (ºC)  233 - 260  injection molding  
Linear Mold Shrinkage (cm/cm)  0.001   D955

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Suppliers
Dow Plastics Midland, MI  800-441-4369
RTP Co. Winona, MN  800-433-4787

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