Overview of materials for Polyphthalamide (PPA), 20% Glass Fiber Reinforced

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Overview of materials for Polyphthalamide (PPA), 20% Glass Fiber Reinforced
Categories:	Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), 20% Glass Fiber Reinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polyphthalamide, 20% Glass Fiber Reinforced". Specific grades with glass content between 15% and 24% are included. 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	1.20 - 1.64 g/cc	Average value: 1.38 g/cc Grade Count:31
Filler Content	15.0 - 23.0 %	Average value: 18.7 % Grade Count:13
Water Absorption	0.160 - 0.300 %	Average value: 0.233 % Grade Count:16
Linear Mold Shrinkage	0.00200 - 0.0100 cm/cm	Average value: 0.00476 cm/cm Grade Count:30
Linear Mold Shrinkage, Transverse	0.00600 - 0.0160 cm/cm	Average value: 0.00853 cm/cm Grade Count:17

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	124 - 127	Average value: 125 Grade Count:8
Tensile Strength, Ultimate	75.8 - 200 MPa	Average value: 125 MPa Grade Count:30
	55.0 - 105 MPa @Temperature 60.0 - 150 °C	Average value: 80.1 MPa Grade Count:2
Elongation at Break	1.00 - 6.00 %	Average value: 2.28 % Grade Count:31
	2.00 - 12.0 % @Temperature 60.0 - 150 °C	Average value: 5.25 % Grade Count:1
Elongation at Yield	3.50 - 10.0 % @Temperature 120 - 150 °C	Average value: 6.75 % Grade Count:1
Modulus of Elasticity	4.14 - 15.4 GPa	Average value: 8.11 GPa Grade Count:29
	2.00 - 6.80 GPa @Temperature 60.0 - 150 °C	Average value: 5.12 GPa Grade Count:2
Flexural Yield Strength	110 - 226 MPa	Average value: 173 MPa Grade Count:24
	66.9 - 141 MPa @Temperature 100 - 100 °C	Average value: 104 MPa Grade Count:2
Flexural Modulus	4.14 - 9.65 GPa	Average value: 6.97 GPa Grade Count:25
	2.34 - 4.96 GPa @Temperature 100 - 100 °C	Average value: 3.65 GPa Grade Count:2
Compressive Yield Strength	100 - 207 MPa	Average value: 155 MPa Grade Count:4
Poissons Ratio	0.350 - 0.410	Average value: 0.362 Grade Count:3
Shear Strength	56.5 - 88.0 MPa	Average value: 73.8 MPa Grade Count:4
Izod Impact, Notched	0.180 - 1.87 J/cm	Average value: 0.545 J/cm Grade Count:21
Izod Impact, Unnotched	2.67 - 9.60 J/cm	Average value: 4.92 J/cm Grade Count:15
Izod Impact, Notched (ISO)	2.50 - 12.0 kJ/m²	Average value: 7.38 kJ/m² Grade Count:4
	6.00 - 6.00 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 6.00 kJ/m² Grade Count:1
Charpy Impact Unnotched	2.00 - 8.60 J/cm²	Average value: 4.65 J/cm² Grade Count:11
	1.70 - 3.00 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 2.74 J/cm² Grade Count:3
Charpy Impact, Notched	0.350 - 1.10 J/cm²	Average value: 0.642 J/cm² Grade Count:10
	0.400 - 0.600 J/cm² @Temperature -40.0 - -20.0 °C	Average value: 0.517 J/cm² Grade Count:4

Electrical Properties	Original Value	Comments
Electrical Resistivity	1000 - 1.00e+16 ohm-cm	Average value: 2.01e+15 ohm-cm Grade Count:15
Surface Resistance	1000 - 1.00e+15 ohm	Average value: 2.53e+14 ohm Grade Count:4
Dielectric Constant	3.90 - 5.20	Average value: 4.30 Grade Count:6
Dielectric Strength	16.5 - 20.5 kV/mm	Average value: 19.1 kV/mm Grade Count:5
Dissipation Factor	0.00550 - 0.0230	Average value: 0.0140 Grade Count:5
Comparative Tracking Index	550 - 600 V	Average value: 571 V Grade Count:6

Thermal Properties	Original Value	Comments
CTE, linear	22.0 - 36.0 µm/m-°C	Average value: 28.6 µm/m-°C Grade Count:12
	11.0 - 190 µm/m-°C @Temperature 55.0 - 250 °C	Average value: 42.8 µm/m-°C Grade Count:9
CTE, linear, Transverse to Flow	59.0 - 96.0 µm/m-°C	Average value: 73.4 µm/m-°C Grade Count:10
	100 - 160 µm/m-°C @Temperature 55.0 - 250 °C	Average value: 124 µm/m-°C Grade Count:8
Melting Point	300 - 325 °C	Average value: 312 °C Grade Count:12
Deflection Temperature at 0.46 MPa (66 psi)	220 - 318 °C	Average value: 284 °C Grade Count:14
Deflection Temperature at 1.8 MPa (264 psi)	161 - 277 °C	Average value: 245 °C Grade Count:26
Vicat Softening Point	215 - 275 °C	Average value: 246 °C Grade Count:5
Flammability, UL94	HB - V-0	Grade Count:20
Oxygen Index	23.0 - 32.0 %	Average value: 29.0 % Grade Count:3

Optical Properties	Original Value	Comments
Reflection Coefficient, Visible (0-1)	0.900	Average value: 0.900 Grade Count:3

Processing Properties	Original Value	Comments
Processing Temperature	296 - 340 °C	Average value: 315 °C Grade Count:4
Melt Temperature	240 - 343 °C	Average value: 322 °C Grade Count:26
Mold Temperature	65.0 - 180 °C	Average value: 127 °C Grade Count:28
Drying Temperature	90.0 - 130 °C	Average value: 109 °C Grade Count:23
Moisture Content	0.0300 - 0.200 %	Average value: 0.0776 % Grade Count:19
Dew Point	-31.7 - -28.9 °C	Average value: -30.4 °C Grade Count:9
Injection Pressure	68.9 - 124 MPa	Average value: 93.1 MPa Grade Count:12

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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