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Polyphthalamide
 
List of Suppliers
Additives: 40% glass / mineral reinforced, heat stablized
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)  11040  tensile   D638
Flexural Modulus (MPa)   8280 - 9729   23 ºC   D790
Tensile Strength (MPa)  164 at break   D638
 162 at yield   D638
Compressive Strength (MPa)
at yield or break
 228     D695
Flexural Strength (MPa)
at yield or break
 217 - 237     D790
Elongation at break (%)   2 - 3     D638
Hardness  125  Rockwell   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  0.4 - 0.5     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   3 - 5     D696
Deflection Temperature (ºC)  248 - 275   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.54   D792
Water Absorption (% weight increase)  0.16  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted
  505   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  310  Tm, crystalline  
Processing Temperature (ºC)  327 - 343  injection molding  
Linear Mold Shrinkage (cm/cm)  0.004   D955
Suppliers
RTP Co. Winona, MN  800-433-4787
Solvay Advanced Polymers, L.L.C. Alpharetta, GA  800-621-4557
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