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Ensinger PEI
Overview of materials for Polyphthalamide (PPA)
Categories: Polymer; Thermoplastic; Polyphthalamide (PPA)

Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polyphthalamide". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.

Vendors:
Available Properties
  • Density, Average value: 1.49 g/cc Grade Count:645
  • Density, Average value: 1.30 g/cc Grade Count:2
  • Filler Content, Average value: 32.7 % Grade Count:167
  • Water Absorption, Average value: 0.369 % Grade Count:224
  • Moisture Absorption at Equilibrium, Average value: 0.911 % Grade Count:164
  • Moisture Absorption at Equilibrium, Average value: 1.08 % Grade Count:24
  • Water Absorption at Saturation, Average value: 3.71 % Grade Count:32
  • Additive Loading, Average value: 32.2 % Grade Count:30
  • Viscosity, Average value: 19.0 cP Grade Count:3
  • Viscosity, Average value: 19.0 cP Grade Count:3
  • Viscosity Number, Average value: 111 cm³/g Grade Count:5
  • Maximum Moisture Content, Average value: 0.0767 Grade Count:3
  • Linear Mold Shrinkage, Average value: 0.00418 cm/cm Grade Count:526
  • Linear Mold Shrinkage, Transverse, Average value: 0.00799 cm/cm Grade Count:301
  • Melt Flow, Average value: 23.0 g/10 min Grade Count:12
  • Spiral Flow, Average value: 43.0 cm Grade Count:3
  • Hardness, Rockwell M, Average value: 105 Grade Count:3
  • Hardness, Rockwell R, Average value: 124 Grade Count:83
  • Ball Indentation Hardness, Average value: 307 MPa Grade Count:11
  • Tensile Strength, Ultimate, Average value: 184 MPa Grade Count:611
  • Tensile Strength, Ultimate, Average value: 133 MPa Grade Count:71
  • Tensile Strength, Yield, Average value: 156 MPa Grade Count:93
  • Tensile Strength, Yield, Average value: 71.3 MPa Grade Count:11
  • Elongation at Break, Average value: 3.56 % Grade Count:656
  • Elongation at Break, Average value: 4.94 % Grade Count:68
  • Elongation at Yield, Average value: 5.26 % Grade Count:38
  • Elongation at Yield, Average value: 6.92 % Grade Count:4
  • Modulus of Elasticity, Average value: 13.8 GPa Grade Count:622
  • Modulus of Elasticity, Average value: 9.67 GPa Grade Count:79
  • Flexural Yield Strength, Average value: 263 MPa Grade Count:539
  • Flexural Yield Strength, Average value: 126 MPa Grade Count:24
  • Flexural Yield Strength, Average value: 126 MPa Grade Count:4
  • Flexural Yield Strength, Average value: 126 MPa Grade Count:4
  • Flexural Modulus, Average value: 12.3 GPa Grade Count:554
  • Flexural Modulus, Average value: 6.35 GPa Grade Count:48
  • Flexural Strain at Break, Average value: 2.61 % Grade Count:28
  • Flexural Strain at Break, Average value: 4.48 % Grade Count:1
  • Compressive Yield Strength, Average value: 197 MPa Grade Count:36
  • Compressive Yield Strength, Average value: 171 MPa Grade Count:2
  • Poissons Ratio, Average value: 0.357 Grade Count:48
  • Fatigue Strength, Average value: 100 MPa Grade Count:4
  • Fatigue Strength, Average value: 100 MPa Grade Count:4
  • Shear Modulus, Average value: 3.15 GPa Grade Count:12
  • Shear Modulus, Average value: 1.75 GPa Grade Count:3
  • Shear Strength, Average value: 79.4 MPa Grade Count:56
  • Secant Modulus, Average value: 10.1 GPa Grade Count:1
  • Secant Modulus, Average value: 10.1 GPa Grade Count:1
  • Izod Impact, Average value: 76.3 J Grade Count:28
  • Izod Impact, Notched, Average value: 1.04 J/cm Grade Count:326
  • Izod Impact, Notched, Average value: 2.23 J/cm Grade Count:3
  • Izod Impact, Unnotched, Average value: 6.22 J/cm Grade Count:249
  • Izod Impact, Notched (ISO), Average value: 13.2 kJ/m² Grade Count:156
  • Izod Impact, Notched (ISO), Average value: 15.1 kJ/m² Grade Count:22
  • Izod Impact, Unnotched (ISO), Average value: 53.7 kJ/m² Grade Count:111
  • Izod Impact, Unnotched (ISO), Average value: 54.1 kJ/m² Grade Count:11
  • Charpy Impact Unnotched, Average value: 6.47 J/cm² Grade Count:254
  • Charpy Impact Unnotched, Average value: 5.59 J/cm² Grade Count:74
  • Charpy Impact, Notched, Average value: 1.21 J/cm² Grade Count:257
  • Charpy Impact, Notched, Average value: 1.19 J/cm² Grade Count:71
  • Gardner Impact, Average value: 10.2 J Grade Count:3
  • Dart Drop, Total Energy, Average value: 12.0 J Grade Count:24
  • Falling Dart Impact, Average value: 7.52 J Grade Count:8
  • Instrumented Impact Total Energy, Average value: 2.62 J Grade Count:6
  • Coefficient of Friction, Average value: 0.332 Grade Count:24
  • Coefficient of Friction, Static, Average value: 0.310 Grade Count:24
  • Tensile Creep Modulus, 1 hour, Average value: 9420 MPa Grade Count:6
  • Tensile Creep Modulus, 1000 hours, Average value: 8000 MPa Grade Count:6
  • K (wear) Factor, Average value: 1150 x 10-8 mm³/N-M Grade Count:27
  • Dynatup @ -18°C, Average value: 53.3 J Grade Count:3
  • Dynatup @ -18°C Max Load, Average value: 524000 g Grade Count:3
  • Electrical Resistivity, Average value: 2.94e+15 ohm-cm Grade Count:270
  • Surface Resistance, Average value: 2.60e+15 ohm Grade Count:107
  • Static Decay, Average value: 2.00 sec Grade Count:4
  • Dielectric Constant, Average value: 4.22 Grade Count:105
  • Dielectric Constant, Average value: 30.5 Grade Count:2
  • Dielectric Constant, Average value: 30.5 Grade Count:2
  • Dielectric Strength, Average value: 27.3 kV/mm Grade Count:119
  • Dielectric Strength, Average value: 9.56 kV/mm Grade Count:2
  • Dissipation Factor, Average value: 0.0137 Grade Count:89
  • Dissipation Factor, Average value: 0.277 Grade Count:2
  • Dissipation Factor, Average value: 0.277 Grade Count:2
  • Arc Resistance, Average value: 160 sec Grade Count:21
  • High Voltage Arc Resistance to Ignition (HVAR), Average value: 95.0 sec Grade Count:3
  • Comparative Tracking Index, Average value: 572 V Grade Count:157
  • Hot Wire Ignition, HWI, Average value: 127 sec Grade Count:9
  • High Amp Arc Ignition, HAI, Average value: 101 arcs Grade Count:9
  • High Voltage Arc-Tracking Rate, HVTR, Average value: 15.0 mm/min Grade Count:19
  • CTE, linear, Average value: 27.8 µm/m-°C Grade Count:175
  • CTE, linear, Average value: 27.9 µm/m-°C Grade Count:62
  • CTE, linear, Transverse to Flow, Average value: 59.5 µm/m-°C Grade Count:110
  • CTE, linear, Transverse to Flow, Average value: 93.8 µm/m-°C Grade Count:63
  • Specific Heat Capacity, Average value: 1.51 J/g-°C Grade Count:4
  • Specific Heat Capacity, Average value: 2.65 J/g-°C Grade Count:2
  • Thermal Conductivity, Average value: 2.30 W/m-K Grade Count:23
  • Thermal Conductivity, Average value: 0.245 W/m-K Grade Count:2
  • Melting Point, Average value: 311 °C Grade Count:257
  • Maximum Service Temperature, Air, Average value: 180 °C Grade Count:65
  • Deflection Temperature at 0.46 MPa (66 psi), Average value: 273 °C Grade Count:150
  • Deflection Temperature at 1.8 MPa (264 psi), Average value: 258 °C Grade Count:529
  • Deflection Temperature at 8.0 MPa, Average value: 187 °C Grade Count:31
  • Vicat Softening Point, Average value: 249 °C Grade Count:46
  • Glass Transition Temp, Tg, Average value: 98.3 °C Grade Count:43
  • UL RTI, Electrical, Average value: 132 °C Grade Count:19
  • UL RTI, Mechanical with Impact, Average value: 107 °C Grade Count:10
  • UL RTI, Mechanical without Impact, Average value: 123 °C Grade Count:10
  • Flammability, UL94, Grade Count:344
  • Flammability, UL94, Grade Count:1
  • Flame Spread, Average value: 64.3 mm/min Grade Count:16
  • Oxygen Index, Average value: 29.1 % Grade Count:20
  • Glow Wire Test, Average value: 828 °C Grade Count:28
  • Transmission, Visible, Average value: 29.5 % Grade Count:4
  • Reflection Coefficient, Visible (0-1), Average value: 0.900 Grade Count:5
  • Processing Temperature, Average value: 316 °C Grade Count:71
  • Nozzle Temperature, Average value: 327 °C Grade Count:36
  • Melt Temperature, Average value: 320 °C Grade Count:456
  • Mold Temperature, Average value: 133 °C Grade Count:487
  • Drying Temperature, Average value: 110 °C Grade Count:413
  • Moisture Content, Average value: 0.0717 % Grade Count:320
  • Dew Point, Average value: -30.9 °C Grade Count:119
  • Injection Pressure, Average value: 93.7 MPa Grade Count:177
  
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Category Notes
Plastic

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

 

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