Overview of materials for Polyethylene Terephthalate (PET), 40% Glass Reinforced

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Overview of materials for Polyethylene Terephthalate (PET), 40% Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), 40% Glass Reinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polyethylene Terephthalate (PET), 40% Glass Reinforced". Specific grades with glass content between 35% and 44% 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	1.48 - 1.79 g/cc	Average value: 1.64 g/cc Grade Count:26
	1.40 - 1.61 g/cc @Temperature 280 - 285 °C	Average value: 1.50 g/cc Grade Count:2
Filler Content	35.0 - 40.0 %	Average value: 38.3 % Grade Count:3
Water Absorption	0.0400 - 0.600 %	Average value: 0.380 % Grade Count:13
Moisture Absorption at Equilibrium	0.100 - 0.240 %	Average value: 0.168 % Grade Count:11
Viscosity	12500 - 250000 cP @Temperature 270 - 310 °C	Average value: 123000 cP Grade Count:3
	12500 - 250000 cP @Shear Rate 100 - 100000 1/s	Average value: 123000 cP Grade Count:3
Linear Mold Shrinkage	0.000500 - 0.00500 cm/cm	Average value: 0.00212 cm/cm Grade Count:17
Linear Mold Shrinkage, Transverse	0.00200 - 0.0105 cm/cm	Average value: 0.00814 cm/cm Grade Count:13

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	120 - 122	Average value: 121 Grade Count:4
Tensile Strength, Ultimate	90.0 - 205 MPa	Average value: 162 MPa Grade Count:24
Elongation at Break	1.00 - 6.00 %	Average value: 2.56 % Grade Count:23
Modulus of Elasticity	6.90 - 17.0 GPa	Average value: 12.9 GPa Grade Count:21
Flexural Yield Strength	158 - 280 MPa	Average value: 234 MPa Grade Count:10
Flexural Modulus	6.83 - 16.5 GPa	Average value: 10.9 GPa Grade Count:13
Compressive Yield Strength	80.0 - 230 MPa	Average value: 164 MPa Grade Count:4
Poissons Ratio	0.330 - 0.340	Average value: 0.333 Grade Count:10
Izod Impact, Notched	0.801 - 1.28 J/cm	Average value: 0.952 J/cm Grade Count:7
Izod Impact, Unnotched	6.41 - 8.54 J/cm	Average value: 7.30 J/cm Grade Count:3
Charpy Impact Unnotched	2.10 - 7.10 J/cm²	Average value: 5.36 J/cm² Grade Count:16
	3.00 - 6.00 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 5.00 J/cm² Grade Count:7
Charpy Impact, Notched	0.340 - 2.20 J/cm²	Average value: 1.03 J/cm² Grade Count:16
	0.800 - 1.40 J/cm² @Temperature -40.0 - -30.0 °C	Average value: 1.06 J/cm² Grade Count:10

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.30e+10 - 1.00e+16 ohm-cm	Average value: 2.93e+15 ohm-cm Grade Count:13
Surface Resistance	6.50e+9 - 1.00e+15 ohm	Average value: 6.83e+14 ohm Grade Count:6
Dielectric Constant	3.10 - 14.0	Average value: 4.26 Grade Count:11
Dielectric Strength	1.10 - 37.0 kV/mm	Average value: 27.5 kV/mm Grade Count:13
Dissipation Factor	0.00110 - 0.0368	Average value: 0.0102 Grade Count:9
Comparative Tracking Index	200 - 500 V	Average value: 282 V Grade Count:12

Thermal Properties	Original Value	Comments
CTE, linear	10.0 - 30.0 µm/m-°C	Average value: 22.6 µm/m-°C Grade Count:13
CTE, linear, Transverse to Flow	40.0 - 130 µm/m-°C	Average value: 67.2 µm/m-°C Grade Count:12
Specific Heat Capacity	1.56 - 1.70 J/g-°C @Temperature 280 - 285 °C	Average value: 1.63 J/g-°C Grade Count:2
Thermal Conductivity	0.303 - 1.65 W/m-K	Average value: 0.673 W/m-K Grade Count:4
	0.210 - 0.300 W/m-K @Temperature 280 - 285 °C	Average value: 0.255 W/m-K Grade Count:2
Melting Point	247 - 255 °C	Average value: 251 °C Grade Count:11
Deflection Temperature at 0.46 MPa (66 psi)	232 - 250 °C	Average value: 246 °C Grade Count:13
Deflection Temperature at 1.8 MPa (264 psi)	200 - 248 °C	Average value: 228 °C Grade Count:21
Flammability, UL94	HB - 5VA	Grade Count:20
Flame Spread	80.0 mm/min	Average value: 80.0 mm/min Grade Count:9

Processing Properties	Original Value	Comments
Processing Temperature	243 - 293 °C	Average value: 268 °C Grade Count:3
Melt Temperature	257 - 300 °C	Average value: 284 °C Grade Count:12
Mold Temperature	75.0 - 163 °C	Average value: 121 °C Grade Count:15
Drying Temperature	120 - 150 °C	Average value: 123 °C Grade Count:11
Moisture Content	0.0100 - 0.0200 %	Average value: 0.0170 % Grade Count:10
Injection Pressure	68.9 - 103 MPa	Average value: 86.2 MPa Grade Count:3

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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O3314 / 78200

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