Overview of materials for Polyphthalamide (PPA), High Impact

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Overview of materials for Polyphthalamide (PPA), High Impact
Categories:	Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), High Impact
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polyphthalamide, High Impact". 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	1.11 - 1.15 g/cc	Average value: 1.14 g/cc Grade Count:9
Water Absorption	0.500 - 0.750 %	Average value: 0.650 % Grade Count:4
Moisture Absorption at Equilibrium	0.700 - 2.20 %	Average value: 1.20 % Grade Count:3
Linear Mold Shrinkage	0.0100 - 0.0220 cm/cm	Average value: 0.0169 cm/cm Grade Count:6
Linear Mold Shrinkage, Transverse	0.0100 - 0.0210 cm/cm	Average value: 0.0172 cm/cm Grade Count:6

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	55.0 - 83.4 MPa	Average value: 67.0 MPa Grade Count:6
	31.0 - 110 MPa @Temperature -40.0 - 100 °C	Average value: 70.5 MPa Grade Count:2
Tensile Strength, Yield	58.0 - 80.0 MPa	Average value: 70.1 MPa Grade Count:6
	32.0 - 32.0 MPa @Temperature 100 - 100 °C	Average value: 32.0 MPa Grade Count:1
Elongation at Break	7.00 - 80.0 %	Average value: 25.9 % Grade Count:9
	12.0 - 54.3 % @Temperature -40.0 - 100 °C	Average value: 33.2 % Grade Count:2
Elongation at Yield	5.00 - 6.00 %	Average value: 5.75 % Grade Count:8
	3.10 - 9.00 % @Temperature -40.0 - 100 °C	Average value: 6.05 % Grade Count:2
Modulus of Elasticity	1.90 - 2.76 GPa	Average value: 2.41 GPa Grade Count:9
	1.80 - 2.00 GPa @Temperature 100 - 100 °C	Average value: 1.90 GPa Grade Count:2
Flexural Yield Strength	66.0 - 128 MPa	Average value: 100 MPa Grade Count:7
	42.0 - 49.6 MPa @Temperature 100 - 100 °C	Average value: 45.2 MPa Grade Count:3
Flexural Modulus	1.79 - 2.60 GPa	Average value: 2.29 GPa Grade Count:8
	1.30 - 1.72 GPa @Temperature 100 - 100 °C	Average value: 1.44 GPa Grade Count:3
Poissons Ratio	0.350 - 0.390	Average value: 0.360 Grade Count:4
Shear Strength	53.0 - 64.1 MPa	Average value: 58.6 MPa Grade Count:3
Izod Impact, Notched	1.10 - 11.0 J/cm	Average value: 7.41 J/cm Grade Count:7
	7.50 - 7.50 J/cm @Temperature -40.0 - -40.0 °C	Average value: 7.50 J/cm Grade Count:1
Izod Impact, Notched (ISO)	13.0 - 80.0 kJ/m²	Average value: 46.5 kJ/m² Grade Count:4
	18.0 - 18.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 18.0 kJ/m² Grade Count:1
Izod Impact, Unnotched (ISO)	NB	Grade Count:3
Charpy Impact Unnotched	1000 J/cm² - NB	Grade Count:4
	999.9 - 999.9 J/cm² @Temperature -30.0 - -30.0 °C	Grade Count:1
Charpy Impact, Notched	1.30 J/cm² - NB	Average value: 5.70 J/cm² Grade Count:4

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+15 - 1.20e+16 ohm-cm	Average value: 4.67e+15 ohm-cm Grade Count:3

Thermal Properties	Original Value	Comments
CTE, linear	130 - 140 µm/m-°C @Temperature 100 - 200 °C	Average value: 135 µm/m-°C Grade Count:2
CTE, linear, Transverse to Flow	110 - 140 µm/m-°C @Temperature 100 - 200 °C	Average value: 125 µm/m-°C Grade Count:2
Specific Heat Capacity	2.90 - 2.90 J/g-°C @Temperature 325 - 325 °C	Average value: 2.90 J/g-°C Grade Count:1
Melting Point	300 - 315 °C	Average value: 310 °C Grade Count:8
Deflection Temperature at 1.8 MPa (264 psi)	109 - 125 °C	Average value: 118 °C Grade Count:7
Flammability, UL94	HB	Grade Count:3

Processing Properties	Original Value	Comments
Melt Temperature	304 - 343 °C	Average value: 323 °C Grade Count:6
Mold Temperature	70.0 - 135 °C	Average value: 113 °C Grade Count:4
Drying Temperature	100 - 120 °C	Average value: 110 °C Grade Count:5
Moisture Content	0.0300 - 0.200 %	Average value: 0.0870 % Grade Count:5

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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RTP Company RTP 4087 Polyphthalamide (PPA); Carbon Fiber

O4602 / 78358

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