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Elmet Technologies

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.
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Physical PropertiesMetricEnglishComments
Density 1.10 - 3.80 g/cc0.0397 - 0.137 lb/in³Average value: 1.49 g/cc Grade Count:645
 1.10 - 1.49 g/cc
@Temperature 325 - 325 °C		0.0397 - 0.0538 lb/in³
@Temperature 617 - 617 °F		Average value: 1.30 g/cc Grade Count:2
Filler Content 3.00 - 60.0 %3.00 - 60.0 %Average value: 32.7 % Grade Count:167
Water Absorption 0.0200 - 10.0 %0.0200 - 10.0 %Average value: 0.369 % Grade Count:224
Moisture Absorption at Equilibrium 0.0200 - 3.20 %0.0200 - 3.20 %Average value: 0.911 % Grade Count:164
 0.850 - 1.35 %
@Temperature 70.0 - 70.0 °C		0.850 - 1.35 %
@Temperature 158 - 158 °F		Average value: 1.08 % Grade Count:24
Water Absorption at Saturation 0.160 - 5.90 %0.160 - 5.90 %Average value: 3.71 % Grade Count:32
Additive Loading 4.00 - 60.0 %4.00 - 60.0 %Average value: 32.2 % Grade Count:30
Viscosity  6.00 - 27.0 cP
@Temperature 330 - 340 °C		6.00 - 27.0 cP
@Temperature 626 - 644 °F		Average value: 19.0 cP Grade Count:3
 6.00 - 27.0 cP
@Load 1.20 - 2.16 kg		6.00 - 27.0 cP
@Load 2.65 - 4.76 lb		Average value: 19.0 cP Grade Count:3
Viscosity Number 105 - 120 cm³/g1.05 - 1.20 dl/gAverage value: 111 cm³/g Grade Count:5
Maximum Moisture Content 0.0300 - 0.1000.0300 - 0.100Average value: 0.0767 Grade Count:3
Linear Mold Shrinkage 0.0000200 - 0.0250 cm/cm0.0000200 - 0.0250 in/inAverage value: 0.00418 cm/cm Grade Count:526
Linear Mold Shrinkage, Transverse 0.000100 - 0.0300 cm/cm0.000100 - 0.0300 in/inAverage value: 0.00799 cm/cm Grade Count:301
Melt Flow 5.00 - 80.0 g/10 min5.00 - 80.0 g/10 minAverage value: 23.0 g/10 min Grade Count:12
Spiral Flow 30.0 - 53.0 cm11.8 - 20.9 inAverage value: 43.0 cm Grade Count:3
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 105105Average value: 105 Grade Count:3
Hardness, Rockwell R 100 - 127100 - 127Average value: 124 Grade Count:83
Ball Indentation Hardness 230 - 360 MPa33400 - 52200 psiAverage value: 307 MPa Grade Count:11
Tensile Strength, Ultimate 42.0 - 1040 MPa6090 - 151000 psiAverage value: 184 MPa Grade Count:611
 14.0 - 340 MPa
@Temperature -40.0 - 250 °C		2030 - 49300 psi
@Temperature -40.0 - 482 °F		Average value: 133 MPa Grade Count:71
Tensile Strength, Yield 24.8 - 307 MPa3600 - 44500 psiAverage value: 156 MPa Grade Count:93
 20.0 - 140 MPa
@Temperature 90.0 - 175 °C		2900 - 20300 psi
@Temperature 194 - 347 °F		Average value: 71.3 MPa Grade Count:11
Elongation at Break 0.500 - 150 %0.500 - 150 %Average value: 3.56 % Grade Count:656
 1.00 - 92.0 %
@Temperature -40.0 - 200 °C		1.00 - 92.0 %
@Temperature -40.0 - 392 °F		Average value: 4.94 % Grade Count:68
Elongation at Yield 1.00 - 50.0 %1.00 - 50.0 %Average value: 5.26 % Grade Count:38
 3.10 - 10.0 %
@Temperature -40.0 - 150 °C		3.10 - 10.0 %
@Temperature -40.0 - 302 °F		Average value: 6.92 % Grade Count:4
Modulus of Elasticity 1.70 - 102 GPa247 - 14800 ksiAverage value: 13.8 GPa Grade Count:622
 0.270 - 32.0 GPa
@Temperature -40.0 - 200 °C		39.2 - 4640 ksi
@Temperature -40.0 - 392 °F		Average value: 9.67 GPa Grade Count:79
Flexural Yield Strength 3.15 - 527 MPa457 - 76400 psiAverage value: 263 MPa Grade Count:539
 9.00 - 352 MPa
@Temperature -40.0 - 200 °C		1310 - 51100 psi
@Temperature -40.0 - 392 °F		Average value: 126 MPa Grade Count:24
 96.0 - 181 MPa
@Temperature 100 - 200 °C		13900 - 26300 psi
@Temperature 212 - 392 °F		Average value: 126 MPa Grade Count:4
 96.0 - 181 MPa
@Strain 3.50 - 5.00 %		13900 - 26300 psi
@Strain 3.50 - 5.00 %		Average value: 126 MPa Grade Count:4
Flexural Modulus 1.50 - 44.8 GPa218 - 6500 ksiAverage value: 12.3 GPa Grade Count:554
 0.400 - 20.0 GPa
@Temperature -40.0 - 200 °C		58.0 - 2900 ksi
@Temperature -40.0 - 392 °F		Average value: 6.35 GPa Grade Count:48
Flexural Strain at Break 1.80 - 3.50 %1.80 - 3.50 %Average value: 2.61 % Grade Count:28
 3.10 - 5.30 %
@Temperature 80.0 - 200 °C		3.10 - 5.30 %
@Temperature 176 - 392 °F		Average value: 4.48 % Grade Count:1
Compressive Yield Strength 100 - 336 MPa14500 - 48800 psiAverage value: 197 MPa Grade Count:36
 71.0 - 355 MPa
@Temperature -40.0 - 200 °C		10300 - 51500 psi
@Temperature -40.0 - 392 °F		Average value: 171 MPa Grade Count:2
Poissons Ratio 0.290 - 0.4100.290 - 0.410Average value: 0.357 Grade Count:48
Fatigue Strength  100 - 100 MPa
@# of Cycles 316 - 1580 		14500 - 14500 psi
@# of Cycles 316 - 1580 		Average value: 100 MPa Grade Count:4
 100 - 100 MPa
@Temperature 140 - 140 °C		14500 - 14500 psi
@Temperature 284 - 284 °F		Average value: 100 MPa Grade Count:4
Shear Modulus 0.852 - 5.18 GPa124 - 751 ksiAverage value: 3.15 GPa Grade Count:12
 0.350 - 4.00 GPa
@Temperature 0.000 - 350 °C		50.8 - 580 ksi
@Temperature 32.0 - 662 °F		Average value: 1.75 GPa Grade Count:3
Shear Strength 44.1 - 108 MPa6400 - 15700 psiAverage value: 79.4 MPa Grade Count:56
Secant Modulus  1.70799 - 14.8867 GPa
@Temperature 0.000 - 200 °C		247.727 - 2159.17 ksi
@Temperature 32.0 - 392 °F		Average value: 10.1 GPa Grade Count:1
 1.70799 - 14.8867 GPa
@Strain 0.0500 - 4.13 %		247.727 - 2159.17 ksi
@Strain 0.0500 - 4.13 %		Average value: 10.1 GPa Grade Count:1
Izod Impact 26.0 - 170 J19.2 - 125 ft-lbAverage value: 76.3 J Grade Count:28
Izod Impact, Notched 0.147 - 11.0 J/cm0.276 - 20.6 ft-lb/inAverage value: 1.04 J/cm Grade Count:326
 0.910 - 7.50 J/cm
@Temperature -40.0 - -40.0 °C		1.70 - 14.1 ft-lb/in
@Temperature -40.0 - -40.0 °F		Average value: 2.23 J/cm Grade Count:3
Izod Impact, Unnotched 0.801 - 5340 J/cm1.50 - 10000 ft-lb/inAverage value: 6.22 J/cm Grade Count:249
Izod Impact, Notched (ISO) 2.00 - 115 kJ/m²0.952 - 54.7 ft-lb/in²Average value: 13.2 kJ/m² Grade Count:156
 3.00 - 75.0 kJ/m²
@Temperature -40.0 - -20.0 °C		1.43 - 35.7 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 15.1 kJ/m² Grade Count:22
Izod Impact, Unnotched (ISO) 12.0 kJ/m² - NB5.71 ft-lb/in² - NBAverage value: 53.7 kJ/m² Grade Count:111
 23.0 kJ/m² - NB
@Temperature -40.0 - -5.00 °C		10.9 ft-lb/in² - NB
@Temperature -40.0 - 23.0 °F		Average value: 54.1 kJ/m² Grade Count:11
Charpy Impact Unnotched 0.473 J/cm² - NB2.25 ft-lb/in² - NBAverage value: 6.47 J/cm² Grade Count:254
 1.40 - 999.9 J/cm²
@Temperature -40.0 - 0.000 °C		6.66 - 4759 ft-lb/in²
@Temperature -40.0 - 32.0 °F		Average value: 5.59 J/cm² Grade Count:74
Charpy Impact, Notched 0.100 J/cm² - NB0.476 ft-lb/in² - NBAverage value: 1.21 J/cm² Grade Count:257
 0.300 - 7.00 J/cm²
@Temperature -40.0 - 0.000 °C		1.43 - 33.3 ft-lb/in²
@Temperature -40.0 - 32.0 °F		Average value: 1.19 J/cm² Grade Count:71
Gardner Impact 6.33 - 13.1 J4.67 - 9.66 ft-lbAverage value: 10.2 J Grade Count:3
Dart Drop, Total Energy 1.36 - 54.2 J1.00 - 40.0 ft-lbAverage value: 12.0 J Grade Count:24
Falling Dart Impact 2.90 - 15.6 J2.14 - 11.5 ft-lbAverage value: 7.52 J Grade Count:8
Instrumented Impact Total Energy 1.48 - 4.37 J1.09 - 3.22 ft-lbAverage value: 2.62 J Grade Count:6
Coefficient of Friction 0.0460 - 0.5900.0460 - 0.590Average value: 0.332 Grade Count:24
Coefficient of Friction, Static 0.0490 - 0.6200.0490 - 0.620Average value: 0.310 Grade Count:24
Tensile Creep Modulus, 1 hour 5500 - 11000 MPa798000 - 1.60e+6 psiAverage value: 9420 MPa Grade Count:6
Tensile Creep Modulus, 1000 hours 5000 - 10000 MPa725000 - 1.45e+6 psiAverage value: 8000 MPa Grade Count:6
K (wear) Factor 5.50 - 10100 x 10-8 mm³/N-M2.73 - 5000 x 10-10 in³-min/ft-lb-hrAverage value: 1150 x 10-8 mm³/N-M Grade Count:27
Dynatup @ -18°C 43.0 - 66.0 J31.7 - 48.7 ft-lbAverage value: 53.3 J Grade Count:3
Dynatup @ -18°C Max Load 408000 - 662000 g900 - 1460 lbAverage value: 524000 g Grade Count:3
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0500 - 1.00e+17 ohm-cm0.0500 - 1.00e+17 ohm-cmAverage value: 2.94e+15 ohm-cm Grade Count:270
Surface Resistance 10.0 - 8.10e+16 ohm10.0 - 8.10e+16 ohmAverage value: 2.60e+15 ohm Grade Count:107
Static Decay 2.00 sec2.00 secAverage value: 2.00 sec Grade Count:4
Dielectric Constant 3.20 - 6.203.20 - 6.20Average value: 4.22 Grade Count:105
 4.20 - 136
@Temperature 60.0 - 200 °C		4.20 - 136
@Temperature 140 - 392 °F		Average value: 30.5 Grade Count:2
 4.20 - 136
@Frequency 1000 - 1.00e+6 Hz		4.20 - 136
@Frequency 1000 - 1.00e+6 Hz		Average value: 30.5 Grade Count:2
Dielectric Strength 16.0 - 45.0 kV/mm406 - 1140 kV/inAverage value: 27.3 kV/mm Grade Count:119
 0.800 - 27.5 kV/mm
@Temperature 60.0 - 200 °C		20.3 - 699 kV/in
@Temperature 140 - 392 °F		Average value: 9.56 kV/mm Grade Count:2
Dissipation Factor 0.00297 - 0.05000.00297 - 0.0500Average value: 0.0137 Grade Count:89
 0.0100 - 0.850
@Temperature 60.0 - 200 °C		0.0100 - 0.850
@Temperature 140 - 392 °F		Average value: 0.277 Grade Count:2
 0.0100 - 0.850
@Frequency 1000 - 1.00e+6 Hz		0.0100 - 0.850
@Frequency 1000 - 1.00e+6 Hz		Average value: 0.277 Grade Count:2
Arc Resistance 115 - 300 sec115 - 300 secAverage value: 160 sec Grade Count:21
High Voltage Arc Resistance to Ignition (HVAR) 0.000 - 150 sec0.000 - 150 secAverage value: 95.0 sec Grade Count:3
Comparative Tracking Index 100 - 800 V100 - 800 VAverage value: 572 V Grade Count:157
Hot Wire Ignition, HWI 60.0 - 150 sec60.0 - 150 secAverage value: 127 sec Grade Count:9
High Amp Arc Ignition, HAI 60.0 - 120 arcs60.0 - 120 arcsAverage value: 101 arcs Grade Count:9
High Voltage Arc-Tracking Rate, HVTR 0.000 - 80.0 mm/min0.000 - 3.15 in/minAverage value: 15.0 mm/min Grade Count:19
 
Thermal PropertiesMetricEnglishComments
CTE, linear 5.20 - 97.0 µm/m-°C2.89 - 53.9 µin/in-°FAverage value: 27.8 µm/m-°C Grade Count:175
 6.00 - 190 µm/m-°C
@Temperature -40.0 - 250 °C		3.33 - 106 µin/in-°F
@Temperature -40.0 - 482 °F		Average value: 27.9 µm/m-°C Grade Count:62
CTE, linear, Transverse to Flow 4.50 - 105 µm/m-°C2.50 - 58.3 µin/in-°FAverage value: 59.5 µm/m-°C Grade Count:110
 33.0 - 160 µm/m-°C
@Temperature -40.0 - 250 °C		18.3 - 88.9 µin/in-°F
@Temperature -40.0 - 482 °F		Average value: 93.8 µm/m-°C Grade Count:63
Specific Heat Capacity 1.05 - 1.74 J/g-°C0.251 - 0.416 BTU/lb-°FAverage value: 1.51 J/g-°C Grade Count:4
 2.40 - 2.90 J/g-°C
@Temperature 325 - 325 °C		0.574 - 0.693 BTU/lb-°F
@Temperature 617 - 617 °F		Average value: 2.65 J/g-°C Grade Count:2
Thermal Conductivity 0.230 - 20.0 W/m-K1.60 - 139 BTU-in/hr-ft²-°FAverage value: 2.30 W/m-K Grade Count:23
 0.240 - 0.250 W/m-K
@Temperature 325 - 325 °C		1.67 - 1.74 BTU-in/hr-ft²-°F
@Temperature 617 - 617 °F		Average value: 0.245 W/m-K Grade Count:2
Melting Point 223 - 340 °C433 - 644 °FAverage value: 311 °C Grade Count:257
Maximum Service Temperature, Air 120 - 290 °C248 - 554 °FAverage value: 180 °C Grade Count:65
Deflection Temperature at 0.46 MPa (66 psi) 88.0 - 320 °C190 - 608 °FAverage value: 273 °C Grade Count:150
Deflection Temperature at 1.8 MPa (264 psi) 80.0 - 320 °C176 - 608 °FAverage value: 258 °C Grade Count:529
Deflection Temperature at 8.0 MPa 60.0 - 250 °C140 - 482 °FAverage value: 187 °C Grade Count:31
Vicat Softening Point 100 - 313 °C212 - 595 °FAverage value: 249 °C Grade Count:46
Glass Transition Temp, Tg 45.0 - 144 °C113 - 291 °FAverage value: 98.3 °C Grade Count:43
UL RTI, Electrical 65.0 - 150 °C149 - 302 °FAverage value: 132 °C Grade Count:19
UL RTI, Mechanical with Impact 50.0 - 140 °C122 - 284 °FAverage value: 107 °C Grade Count:10
UL RTI, Mechanical without Impact 65.0 - 150 °C149 - 302 °FAverage value: 123 °C Grade Count:10
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:344
 V-0 - V-0
@Temperature 1.50 - 1.50 °C		V-0 - V-0
@Temperature 34.7 - 34.7 °F		Grade Count:1
Flame Spread 25.0 - 80.0 mm/min0.984 - 3.15 in/minAverage value: 64.3 mm/min Grade Count:16
Oxygen Index 23.0 - 42.0 %23.0 - 42.0 %Average value: 29.1 % Grade Count:20
Glow Wire Test 675 - 960 °C1250 - 1760 °FAverage value: 828 °C Grade Count:28
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 20.0 - 38.0 %20.0 - 38.0 %Average value: 29.5 % Grade Count:4
Reflection Coefficient, Visible (0-1) 0.9000.900Average value: 0.900 Grade Count:5
 
Processing PropertiesMetricEnglishComments
Processing Temperature 280 - 345 °C536 - 653 °FAverage value: 316 °C Grade Count:71
Nozzle Temperature 280 - 345 °C536 - 653 °FAverage value: 327 °C Grade Count:36
Melt Temperature 240 - 360 °C464 - 680 °FAverage value: 320 °C Grade Count:456
Mold Temperature 48.9 - 190 °C120 - 374 °FAverage value: 133 °C Grade Count:487
Drying Temperature 79.4 - 150 °C175 - 302 °FAverage value: 110 °C Grade Count:413
Moisture Content 0.0200 - 0.200 %0.0200 - 0.200 %Average value: 0.0717 % Grade Count:320
Dew Point -31.7 - -28.9 °C-25.0 - -20.0 °FAverage value: -30.9 °C Grade Count:119
Injection Pressure 41.4 - 124 MPa6000 - 18000 psiAverage value: 93.7 MPa Grade Count:177

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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