Overview of materials for Polyethylene Terephthalate (PET), Glass/Mineral Reinforced

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Overview of materials for Polyethylene Terephthalate (PET), Glass/Mineral Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Glass/Mineral Reinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polyethylene Terephthalate (PET), Glass/Mineral Reinforced". 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	1.47 - 1.85 g/cc	Average value: 1.62 g/cc Grade Count:54
	1.32 - 1.424 g/cc @Temperature 245 - 285 °C	Average value: 1.37 g/cc Grade Count:2
Water Absorption	0.0300 - 0.830 %	Average value: 0.152 % Grade Count:16
Moisture Absorption at Equilibrium	0.0500 - 0.240 %	Average value: 0.146 % Grade Count:10
Linear Mold Shrinkage	0.000500 - 0.0110 cm/cm	Average value: 0.00330 cm/cm Grade Count:40
Linear Mold Shrinkage, Transverse	0.00200 - 0.0100 cm/cm	Average value: 0.00745 cm/cm Grade Count:26
Ash	25.0 - 35.0 %	Average value: 31.7 % Grade Count:3

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	75.0 - 115	Average value: 92.0 Grade Count:4
Hardness, Rockwell R	109 - 120	Average value: 116 Grade Count:14
Tensile Strength, Ultimate	80.0 - 152 MPa	Average value: 113 MPa Grade Count:50
	45.0 - 145 MPa @Temperature -40.0 - 120 °C	Average value: 83.3 MPa Grade Count:1
Tensile Strength, Yield	91.0 - 145 MPa	Average value: 114 MPa Grade Count:4
Elongation at Break	1.00 - 7.00 %	Average value: 2.28 % Grade Count:44
	1.60 - 8.10 % @Temperature -40.0 - 120 °C	Average value: 5.33 % Grade Count:1
Modulus of Elasticity	9.70 - 13.8 GPa	Average value: 11.7 GPa Grade Count:16
	2.59 - 12.27 GPa @Temperature -40.0 - 120 °C	Average value: 6.33 GPa Grade Count:1
Flexural Yield Strength	130 - 265 MPa	Average value: 179 MPa Grade Count:46
Flexural Modulus	6.30 - 15.5 GPa	Average value: 9.81 GPa Grade Count:50
Compressive Yield Strength	126 - 180 MPa	Average value: 148 MPa Grade Count:5
Poissons Ratio	0.330 - 0.340	Average value: 0.335 Grade Count:11
Shear Strength	49.0 - 60.0 MPa	Average value: 55.8 MPa Grade Count:4
Izod Impact, Notched	0.430 - 0.910 J/cm	Average value: 0.649 J/cm Grade Count:26
Izod Impact, Unnotched	4.27 - 5.34 J/cm	Average value: 4.85 J/cm Grade Count:6
Izod Impact, Notched (ISO)	4.00 - 7.00 kJ/m²	Average value: 6.16 kJ/m² Grade Count:7
	5.00 - 5.00 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 5.00 kJ/m² Grade Count:1
Charpy Impact Unnotched	2.00 - 3.50 J/cm²	Average value: 2.86 J/cm² Grade Count:11
	2.00 - 3.50 J/cm² @Temperature -40.0 - -30.0 °C	Average value: 2.67 J/cm² Grade Count:5
Charpy Impact, Notched	0.320 - 0.900 J/cm²	Average value: 0.666 J/cm² Grade Count:25
	0.300 - 0.800 J/cm² @Temperature -40.0 - -30.0 °C	Average value: 0.509 J/cm² Grade Count:8

Electrical Properties	Original Value	Comments
Electrical Resistivity	5.00e+14 - 1.00e+17 ohm-cm	Average value: 2.05e+16 ohm-cm Grade Count:29
Surface Resistance	1.00e+13 - 1.00e+17 ohm	Average value: 4.19e+16 ohm Grade Count:24
Dielectric Constant	3.50 - 4.50	Average value: 3.89 Grade Count:10
Dielectric Strength	16.2 - 50.0 kV/mm	Average value: 24.7 kV/mm Grade Count:31
Dissipation Factor	0.00500 - 0.0300	Average value: 0.0121 Grade Count:9
Arc Resistance	75.0 - 125 sec	Average value: 94.8 sec Grade Count:4
Comparative Tracking Index	175 - 399 V	Average value: 240 V Grade Count:21

Thermal Properties	Original Value	Comments
CTE, linear	15.0 - 59.4 µm/m-°C	Average value: 22.8 µm/m-°C Grade Count:17
	6.00 - 24.0 µm/m-°C @Temperature 55.0 - 160 °C	Average value: 12.6 µm/m-°C Grade Count:5
CTE, linear, Transverse to Flow	30.0 - 87.0 µm/m-°C	Average value: 58.9 µm/m-°C Grade Count:11
	84.0 - 110 µm/m-°C @Temperature 55.0 - 160 °C	Average value: 91.2 µm/m-°C Grade Count:5
Specific Heat Capacity	1.79 - 1.79 J/g-°C @Temperature 285 - 285 °C	Average value: 1.79 J/g-°C Grade Count:1
Thermal Conductivity	0.320 - 0.320 W/m-K @Temperature 285 - 285 °C	Average value: 0.320 W/m-K Grade Count:1
Melting Point	232 - 268 °C	Average value: 251 °C Grade Count:28
Maximum Service Temperature, Air	75.0 - 140 °C	Average value: 115 °C Grade Count:3
Deflection Temperature at 0.46 MPa (66 psi)	94.0 - 243 °C	Average value: 227 °C Grade Count:16
Deflection Temperature at 1.8 MPa (264 psi)	79.0 - 242 °C	Average value: 212 °C Grade Count:53
Vicat Softening Point	205 - 225 °C	Average value: 221 °C Grade Count:5
Flammability, UL94	HB - 5VA	Grade Count:35
Flame Spread	22.0 - 80.0 mm/min	Average value: 70.9 mm/min Grade Count:10
Glow Wire Test	750 - 960 °C	Average value: 812 °C Grade Count:6

Processing Properties	Original Value	Comments
Processing Temperature	110 - 300 °C	Average value: 246 °C Grade Count:4
Nozzle Temperature	270 - 300 °C	Average value: 286 °C Grade Count:7
Melt Temperature	255 - 304 °C	Average value: 281 °C Grade Count:30
Mold Temperature	65.0 - 140 °C	Average value: 108 °C Grade Count:30
Drying Temperature	120 - 140 °C	Average value: 122 °C Grade Count:16
Moisture Content	0.0100 - 0.0800 %	Average value: 0.0213 % Grade Count:15
Injection Pressure	50.0 - 120 MPa	Average value: 72.1 MPa Grade Count:6

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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