Overview of materials for Polyethylene Terephthalate (PET), 20% Glass Reinforced

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Overview of materials for Polyethylene Terephthalate (PET), 20% Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), 20% Glass Reinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polyethylene Terephthalate (PET), 20% Glass 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	Metric	English	Comments

Density	1.38 - 1.63 g/cc	0.0499 - 0.0589 lb/in³	Average value: 1.48 g/cc Grade Count:50
	1.17 - 1.17 g/cc @Temperature 285 - 285 °C	0.0423 - 0.0423 lb/in³ @Temperature 545 - 545 °F	Average value: 1.17 g/cc Grade Count:1
Filler Content	15.0 - 20.0 %	15.0 - 20.0 %	Average value: 16.5 % Grade Count:10
Water Absorption	0.0500 - 2.50 %	0.0500 - 2.50 %	Average value: 0.394 % Grade Count:21
Moisture Absorption at Equilibrium	0.100 - 0.250 %	0.100 - 0.250 %	Average value: 0.208 % Grade Count:13
Viscosity	180000 - 180000 cP @Temperature 280 - 280 °C	180000 - 180000 cP @Temperature 536 - 536 °F	Average value: 180000 cP Grade Count:1
	180000 - 180000 cP @Shear Rate 1000 - 1000 1/s	180000 - 180000 cP @Shear Rate 1000 - 1000 1/s	Average value: 180000 cP Grade Count:1
Linear Mold Shrinkage	0.00100 - 0.0120 cm/cm	0.00100 - 0.0120 in/in	Average value: 0.00438 cm/cm Grade Count:38
	0.00300 - 0.00300 cm/cm @Temperature 275 - 275 °C	0.00300 - 0.00300 in/in @Temperature 527 - 527 °F	Average value: 0.00300 cm/cm Grade Count:2
	0.00300 - 0.00300 cm/cm @Pressure 60.0 - 60.0 MPa	0.00300 - 0.00300 in/in @Pressure 8700 - 8700 psi	Average value: 0.00300 cm/cm Grade Count:2
Linear Mold Shrinkage, Transverse	0.00100 - 0.0120 cm/cm	0.00100 - 0.0120 in/in	Average value: 0.00869 cm/cm Grade Count:15
	0.0110 - 0.0110 cm/cm @Temperature 275 - 275 °C	0.0110 - 0.0110 in/in @Temperature 527 - 527 °F	Average value: 0.0110 cm/cm Grade Count:2
	0.0110 - 0.0110 cm/cm @Pressure 60.0 - 60.0 MPa	0.0110 - 0.0110 in/in @Pressure 8700 - 8700 psi	Average value: 0.0110 cm/cm Grade Count:2
Ash	15.0 - 83.0 %	15.0 - 83.0 %	Average value: 37.7 % Grade Count:3

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	58.0 - 123	58.0 - 123	Average value: 95.8 Grade Count:5
Hardness, Rockwell R	110 - 120	110 - 120	Average value: 115 Grade Count:11
Tensile Strength, Ultimate	75.0 - 160 MPa	10900 - 23200 psi	Average value: 105 MPa Grade Count:40
Tensile Strength, Yield	1.06 - 115 MPa	154 - 16700 psi	Average value: 63.1 MPa Grade Count:10
Elongation at Break	1.50 - 6.00 %	1.50 - 6.00 %	Average value: 3.00 % Grade Count:44
Modulus of Elasticity	4.30 - 9.00 GPa	624 - 1310 ksi	Average value: 6.83 GPa Grade Count:23
Flexural Yield Strength	6.89 - 230 MPa	1000 - 33400 psi	Average value: 141 MPa Grade Count:33
Flexural Modulus	2.07 - 9.70 GPa	300 - 1410 ksi	Average value: 5.81 GPa Grade Count:37
Compressive Yield Strength	90.0 - 138 MPa	13100 - 20000 psi	Average value: 122 MPa Grade Count:3
Poissons Ratio	0.340 - 0.360	0.340 - 0.360	Average value: 0.356 Grade Count:5
Izod Impact, Notched	0.340 - 1.33 J/cm	0.637 - 2.50 ft-lb/in	Average value: 0.704 J/cm Grade Count:24
Izod Impact, Unnotched	2.67 - 4.27 J/cm	5.00 - 8.00 ft-lb/in	Average value: 3.42 J/cm Grade Count:5
Izod Impact, Notched (ISO)	4.50 - 13.0 kJ/m²	2.14 - 6.19 ft-lb/in²	Average value: 8.25 kJ/m² Grade Count:17
	5.00 - 8.00 kJ/m² @Temperature -30.0 - -30.0 °C	2.38 - 3.81 ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 6.43 kJ/m² Grade Count:8
Izod Impact, Unnotched (ISO)	25.0 - 35.0 kJ/m² @Temperature -30.0 - -30.0 °C	11.9 - 16.7 ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 30.0 kJ/m² Grade Count:2
Charpy Impact Unnotched	2.00 - 5.50 J/cm²	9.52 - 26.2 ft-lb/in²	Average value: 3.98 J/cm² Grade Count:9
	1.50 - 2.50 J/cm² @Temperature -30.0 - 5.00 °C	7.14 - 11.9 ft-lb/in² @Temperature -22.0 - 41.0 °F	Average value: 2.22 J/cm² Grade Count:6
Charpy Impact, Notched	0.450 - 1.10 J/cm²	2.14 - 5.24 ft-lb/in²	Average value: 0.780 J/cm² Grade Count:18
	0.660 - 0.800 J/cm² @Temperature -30.0 - -30.0 °C	3.14 - 3.81 ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 0.752 J/cm² Grade Count:5

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+13 - 1.00e+18 ohm-cm	1.00e+13 - 1.00e+18 ohm-cm	Average value: 4.70e+16 ohm-cm Grade Count:29
Surface Resistance	1.00e+13 - 1.00e+15 ohm	1.00e+13 - 1.00e+15 ohm	Average value: 2.16e+14 ohm Grade Count:14
Dielectric Constant	3.30 - 4.60	3.30 - 4.60	Average value: 4.01 Grade Count:11
Dielectric Strength	16.1 - 38.0 kV/mm	410 - 965 kV/in	Average value: 25.8 kV/mm Grade Count:21
Dissipation Factor	0.00300 - 0.0654	0.00300 - 0.0654	Average value: 0.0280 Grade Count:6
Comparative Tracking Index	15.0 - 399 V	15.0 - 399 V	Average value: 251 V Grade Count:16

Thermal Properties	Metric	English	Comments
CTE, linear	12.6 - 98.0 µm/m-°C	7.00 - 54.4 µin/in-°F	Average value: 42.2 µm/m-°C Grade Count:15
	109 - 109 µm/m-°C @Temperature 55.0 - 160 °C	60.6 - 60.6 µin/in-°F @Temperature 131 - 320 °F	Average value: 109 µm/m-°C Grade Count:2
CTE, linear, Transverse to Flow	40.0 - 120 µm/m-°C	22.2 - 66.7 µin/in-°F	Average value: 80.6 µm/m-°C Grade Count:5
	32.0 - 32.0 µm/m-°C @Temperature 55.0 - 160 °C	17.8 - 17.8 µin/in-°F @Temperature 131 - 320 °F	Average value: 32.0 µm/m-°C Grade Count:2
Melting Point	225 - 260 °C	437 - 500 °F	Average value: 247 °C Grade Count:26
Deflection Temperature at 0.46 MPa (66 psi)	220 - 250 °C	428 - 482 °F	Average value: 238 °C Grade Count:22
Deflection Temperature at 1.8 MPa (264 psi)	180 - 242 °C	356 - 468 °F	Average value: 209 °C Grade Count:45
Deflection Temperature at 8.0 MPa	70.0 - 80.0 °C	158 - 176 °F	Average value: 75.0 °C Grade Count:3
Vicat Softening Point	205 - 255 °C	401 - 491 °F	Average value: 227 °C Grade Count:6
Flammability, UL94	HB - 5VA	HB - 5VA	Grade Count:40
Flame Spread	33.0 - 80.0 mm/min	1.30 - 3.15 in/min	Average value: 57.3 mm/min Grade Count:4
Oxygen Index	19.0 - 24.0 %	19.0 - 24.0 %	Average value: 20.7 % Grade Count:3
Glow Wire Test	625 - 960 °C	1160 - 1760 °F	Average value: 767 °C Grade Count:10

Processing Properties	Metric	English	Comments
Processing Temperature	135 - 293 °C	275 - 560 °F	Average value: 264 °C Grade Count:13
Nozzle Temperature	271 - 300 °C	520 - 572 °F	Average value: 286 °C Grade Count:4
Melt Temperature	230 - 300 °C	446 - 572 °F	Average value: 277 °C Grade Count:17
Mold Temperature	40.0 - 163 °C	104 - 325 °F	Average value: 107 °C Grade Count:27
Drying Temperature	116 - 150 °C	240 - 302 °F	Average value: 128 °C Grade Count:18
Moisture Content	0.0100 - 0.200 %	0.0100 - 0.200 %	Average value: 0.0673 % Grade Count:15
Injection Pressure	55.0 - 138 MPa	7980 - 20000 psi	Average value: 86.0 MPa Grade Count:8

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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