Overview of materials for Polyphthalamide (PPA)

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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 Properties	Original Value	Comments

Density	1.10 - 3.80 g/cc	Average value: 1.49 g/cc Grade Count:645
	1.10 - 1.49 g/cc @Temperature 325 - 325 °C	Average value: 1.30 g/cc Grade Count:2
Filler Content	3.00 - 60.0 %	Average value: 32.7 % Grade Count:167
Water Absorption	0.0200 - 10.0 %	Average value: 0.369 % Grade Count:224
Moisture Absorption at Equilibrium	0.0200 - 3.20 %	Average value: 0.911 % Grade Count:164
	0.850 - 1.35 % @Temperature 70.0 - 70.0 °C	Average value: 1.08 % Grade Count:24
Water Absorption at Saturation	0.160 - 5.90 %	Average value: 3.71 % Grade Count:32
Additive Loading	4.00 - 60.0 %	Average value: 32.2 % Grade Count:30
Viscosity	6.00 - 27.0 cP @Temperature 330 - 340 °C	Average value: 19.0 cP Grade Count:3
	6.00 - 27.0 cP @Load 1.20 - 2.16 kg	Average value: 19.0 cP Grade Count:3
Viscosity Number	105 - 120 cm³/g	Average value: 111 cm³/g Grade Count:5
Maximum Moisture Content	0.0300 - 0.100	Average value: 0.0767 Grade Count:3
Linear Mold Shrinkage	0.0000200 - 0.0250 cm/cm	Average value: 0.00418 cm/cm Grade Count:526
Linear Mold Shrinkage, Transverse	0.000100 - 0.0300 cm/cm	Average value: 0.00799 cm/cm Grade Count:301
Melt Flow	5.00 - 80.0 g/10 min	Average value: 23.0 g/10 min Grade Count:12
Spiral Flow	30.0 - 53.0 cm	Average value: 43.0 cm Grade Count:3

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	105	Average value: 105 Grade Count:3
Hardness, Rockwell R	100 - 127	Average value: 124 Grade Count:83
Ball Indentation Hardness	230 - 360 MPa	Average value: 307 MPa Grade Count:11
Tensile Strength, Ultimate	42.0 - 1040 MPa	Average value: 184 MPa Grade Count:611
	14.0 - 340 MPa @Temperature -40.0 - 250 °C	Average value: 133 MPa Grade Count:71
Tensile Strength, Yield	24.8 - 307 MPa	Average value: 156 MPa Grade Count:93
	20.0 - 140 MPa @Temperature 90.0 - 175 °C	Average value: 71.3 MPa Grade Count:11
Elongation at Break	0.500 - 150 %	Average value: 3.56 % Grade Count:656
	1.00 - 92.0 % @Temperature -40.0 - 200 °C	Average value: 4.94 % Grade Count:68
Elongation at Yield	1.00 - 50.0 %	Average value: 5.26 % Grade Count:38
	3.10 - 10.0 % @Temperature -40.0 - 150 °C	Average value: 6.92 % Grade Count:4
Modulus of Elasticity	1.70 - 102 GPa	Average value: 13.8 GPa Grade Count:622
	0.270 - 32.0 GPa @Temperature -40.0 - 200 °C	Average value: 9.67 GPa Grade Count:79
Flexural Yield Strength	3.15 - 527 MPa	Average value: 263 MPa Grade Count:539
	9.00 - 352 MPa @Temperature -40.0 - 200 °C	Average value: 126 MPa Grade Count:24
	96.0 - 181 MPa @Temperature 100 - 200 °C	Average value: 126 MPa Grade Count:4
	96.0 - 181 MPa @Strain 3.50 - 5.00 %	Average value: 126 MPa Grade Count:4
Flexural Modulus	1.50 - 44.8 GPa	Average value: 12.3 GPa Grade Count:554
	0.400 - 20.0 GPa @Temperature -40.0 - 200 °C	Average value: 6.35 GPa Grade Count:48
Flexural Strain at Break	1.80 - 3.50 %	Average value: 2.61 % Grade Count:28
	3.10 - 5.30 % @Temperature 80.0 - 200 °C	Average value: 4.48 % Grade Count:1
Compressive Yield Strength	100 - 336 MPa	Average value: 197 MPa Grade Count:36
	71.0 - 355 MPa @Temperature -40.0 - 200 °C	Average value: 171 MPa Grade Count:2
Poissons Ratio	0.290 - 0.410	Average value: 0.357 Grade Count:48
Fatigue Strength	100 - 100 MPa @# of Cycles 316 - 1580	Average value: 100 MPa Grade Count:4
	100 - 100 MPa @Temperature 140 - 140 °C	Average value: 100 MPa Grade Count:4
Shear Modulus	0.852 - 5.18 GPa	Average value: 3.15 GPa Grade Count:12
	0.350 - 4.00 GPa @Temperature 0.000 - 350 °C	Average value: 1.75 GPa Grade Count:3
Shear Strength	44.1 - 108 MPa	Average value: 79.4 MPa Grade Count:56
Secant Modulus	1.70799 - 14.8867 GPa @Temperature 0.000 - 200 °C	Average value: 10.1 GPa Grade Count:1
	1.70799 - 14.8867 GPa @Strain 0.0500 - 4.13 %	Average value: 10.1 GPa Grade Count:1
Izod Impact	26.0 - 170 J	Average value: 76.3 J Grade Count:28
Izod Impact, Notched	0.147 - 11.0 J/cm	Average value: 1.04 J/cm Grade Count:326
	0.910 - 7.50 J/cm @Temperature -40.0 - -40.0 °C	Average value: 2.23 J/cm Grade Count:3
Izod Impact, Unnotched	0.801 - 5340 J/cm	Average value: 6.22 J/cm Grade Count:249
Izod Impact, Notched (ISO)	2.00 - 115 kJ/m²	Average value: 13.2 kJ/m² Grade Count:156
	3.00 - 75.0 kJ/m² @Temperature -40.0 - -20.0 °C	Average value: 15.1 kJ/m² Grade Count:22
Izod Impact, Unnotched (ISO)	12.0 kJ/m² - NB	Average value: 53.7 kJ/m² Grade Count:111
	23.0 kJ/m² - NB @Temperature -40.0 - -5.00 °C	Average value: 54.1 kJ/m² Grade Count:11
Charpy Impact Unnotched	0.473 J/cm² - NB	Average value: 6.47 J/cm² Grade Count:254
	1.40 - 999.9 J/cm² @Temperature -40.0 - 0.000 °C	Average value: 5.59 J/cm² Grade Count:74
Charpy Impact, Notched	0.100 J/cm² - NB	Average value: 1.21 J/cm² Grade Count:257
	0.300 - 7.00 J/cm² @Temperature -40.0 - 0.000 °C	Average value: 1.19 J/cm² Grade Count:71
Gardner Impact	6.33 - 13.1 J	Average value: 10.2 J Grade Count:3
Dart Drop, Total Energy	1.36 - 54.2 J	Average value: 12.0 J Grade Count:24
Falling Dart Impact	2.90 - 15.6 J	Average value: 7.52 J Grade Count:8
Instrumented Impact Total Energy	1.48 - 4.37 J	Average value: 2.62 J Grade Count:6
Coefficient of Friction	0.0460 - 0.590	Average value: 0.332 Grade Count:24
Coefficient of Friction, Static	0.0490 - 0.620	Average value: 0.310 Grade Count:24
Tensile Creep Modulus, 1 hour	5500 - 11000 MPa	Average value: 9420 MPa Grade Count:6
Tensile Creep Modulus, 1000 hours	5000 - 10000 MPa	Average value: 8000 MPa Grade Count:6
K (wear) Factor	5.50 - 10100 x 10^-8 mm³/N-M	Average value: 1150 x 10^-8 mm³/N-M Grade Count:27
Dynatup @ -18°C	43.0 - 66.0 J	Average value: 53.3 J Grade Count:3
Dynatup @ -18°C Max Load	408000 - 662000 g	Average value: 524000 g Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0500 - 1.00e+17 ohm-cm	Average value: 2.94e+15 ohm-cm Grade Count:270
Surface Resistance	10.0 - 8.10e+16 ohm	Average value: 2.60e+15 ohm Grade Count:107
Static Decay	2.00 sec	Average value: 2.00 sec Grade Count:4
Dielectric Constant	3.20 - 6.20	Average value: 4.22 Grade Count:105
	4.20 - 136 @Temperature 60.0 - 200 °C	Average value: 30.5 Grade Count:2
	4.20 - 136 @Frequency 1000 - 1.00e+6 Hz	Average value: 30.5 Grade Count:2
Dielectric Strength	16.0 - 45.0 kV/mm	Average value: 27.3 kV/mm Grade Count:119
	0.800 - 27.5 kV/mm @Temperature 60.0 - 200 °C	Average value: 9.56 kV/mm Grade Count:2
Dissipation Factor	0.00297 - 0.0500	Average value: 0.0137 Grade Count:89
	0.0100 - 0.850 @Temperature 60.0 - 200 °C	Average value: 0.277 Grade Count:2
	0.0100 - 0.850 @Frequency 1000 - 1.00e+6 Hz	Average value: 0.277 Grade Count:2
Arc Resistance	115 - 300 sec	Average value: 160 sec Grade Count:21
High Voltage Arc Resistance to Ignition (HVAR)	0.000 - 150 sec	Average value: 95.0 sec Grade Count:3
Comparative Tracking Index	100 - 800 V	Average value: 572 V Grade Count:157
Hot Wire Ignition, HWI	60.0 - 150 sec	Average value: 127 sec Grade Count:9
High Amp Arc Ignition, HAI	60.0 - 120 arcs	Average value: 101 arcs Grade Count:9
High Voltage Arc-Tracking Rate, HVTR	0.000 - 80.0 mm/min	Average value: 15.0 mm/min Grade Count:19

Thermal Properties	Original Value	Comments
CTE, linear	5.20 - 97.0 µm/m-°C	Average value: 27.8 µm/m-°C Grade Count:175
	6.00 - 190 µm/m-°C @Temperature -40.0 - 250 °C	Average value: 27.9 µm/m-°C Grade Count:62
CTE, linear, Transverse to Flow	4.50 - 105 µm/m-°C	Average value: 59.5 µm/m-°C Grade Count:110
	33.0 - 160 µm/m-°C @Temperature -40.0 - 250 °C	Average value: 93.8 µm/m-°C Grade Count:63
Specific Heat Capacity	1.05 - 1.74 J/g-°C	Average value: 1.51 J/g-°C Grade Count:4
	2.40 - 2.90 J/g-°C @Temperature 325 - 325 °C	Average value: 2.65 J/g-°C Grade Count:2
Thermal Conductivity	0.230 - 20.0 W/m-K	Average value: 2.30 W/m-K Grade Count:23
	0.240 - 0.250 W/m-K @Temperature 325 - 325 °C	Average value: 0.245 W/m-K Grade Count:2
Melting Point	223 - 340 °C	Average value: 311 °C Grade Count:257
Maximum Service Temperature, Air	120 - 290 °C	Average value: 180 °C Grade Count:65
Deflection Temperature at 0.46 MPa (66 psi)	88.0 - 320 °C	Average value: 273 °C Grade Count:150
Deflection Temperature at 1.8 MPa (264 psi)	80.0 - 320 °C	Average value: 258 °C Grade Count:529
Deflection Temperature at 8.0 MPa	60.0 - 250 °C	Average value: 187 °C Grade Count:31
Vicat Softening Point	100 - 313 °C	Average value: 249 °C Grade Count:46
Glass Transition Temp, Tg	45.0 - 144 °C	Average value: 98.3 °C Grade Count:43
UL RTI, Electrical	65.0 - 150 °C	Average value: 132 °C Grade Count:19
UL RTI, Mechanical with Impact	50.0 - 140 °C	Average value: 107 °C Grade Count:10
UL RTI, Mechanical without Impact	65.0 - 150 °C	Average value: 123 °C Grade Count:10
Flammability, UL94	HB - 5VA	Grade Count:344
	V-0 - V-0 @Temperature 1.50 - 1.50 °C	Grade Count:1
Flame Spread	25.0 - 80.0 mm/min	Average value: 64.3 mm/min Grade Count:16
Oxygen Index	23.0 - 42.0 %	Average value: 29.1 % Grade Count:20
Glow Wire Test	675 - 960 °C	Average value: 828 °C Grade Count:28

Optical Properties	Original Value	Comments
Transmission, Visible	20.0 - 38.0 %	Average value: 29.5 % Grade Count:4
Reflection Coefficient, Visible (0-1)	0.900	Average value: 0.900 Grade Count:5

Processing Properties	Original Value	Comments
Processing Temperature	280 - 345 °C	Average value: 316 °C Grade Count:71
Nozzle Temperature	280 - 345 °C	Average value: 327 °C Grade Count:36
Melt Temperature	240 - 360 °C	Average value: 320 °C Grade Count:456
Mold Temperature	48.9 - 190 °C	Average value: 133 °C Grade Count:487
Drying Temperature	79.4 - 150 °C	Average value: 110 °C Grade Count:413
Moisture Content	0.0200 - 0.200 %	Average value: 0.0717 % Grade Count:320
Dew Point	-31.7 - -28.9 °C	Average value: -30.9 °C Grade Count:119
Injection Pressure	41.4 - 124 MPa	Average 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 go back to viewing the property data in MatWeb's normal format.

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