Overview of materials for PETG Copolyester

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Overview of materials for PETG Copolyester
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); PETG Copolyester
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "PETG Copolyester". 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	1.18 - 1.37 g/cc	Average value: 1.27 g/cc Grade Count:75
Water Absorption	0.120 - 0.200 %	Average value: 0.146 % Grade Count:5
Moisture Absorption at Equilibrium	0.200 - 0.300 %	Average value: 0.250 % Grade Count:5
Viscosity Test	70.0 - 86.0 cm³/g	Average value: 77.0 cm³/g Grade Count:6
Linear Mold Shrinkage	0.00140 - 0.00700 cm/cm	Average value: 0.00359 cm/cm Grade Count:38
Melt Flow	1.20 - 39.0 g/10 min	Average value: 15.3 g/10 min Grade Count:12
ASTM Color	1.00 - 68.0	Average value: 33.0 Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	104 - 121	Average value: 110 Grade Count:31
Tensile Strength, Ultimate	20.0 - 100 MPa	Average value: 44.8 MPa Grade Count:62
Tensile Strength, Yield	28.3 - 101 MPa	Average value: 51.4 MPa Grade Count:48
Elongation at Break	3.20 - 360 %	Average value: 123 % Grade Count:64
Elongation at Yield	2.70 - 575 %	Average value: 31.0 % Grade Count:35
Modulus of Elasticity	1.10 - 20.3 GPa	Average value: 3.03 GPa Grade Count:39
Flexural Yield Strength	39.2 - 88.9 MPa	Average value: 70.5 MPa Grade Count:44
Flexural Modulus	1.17 - 2.76 GPa	Average value: 1.97 GPa Grade Count:59
Izod Impact, Notched	0.267 - 5340 J/cm	Average value: 3.81 J/cm Grade Count:37
	0.290 - 0.520 J/cm @Temperature -40.0 - -30.0 °C	Average value: 0.407 J/cm Grade Count:6
Izod Impact, Unnotched	0.497 J/cm - NB	Average value: 6.94 J/cm Grade Count:11
	0.277628 J/cm - NB @Temperature -40.0 - -40.0 °C	Average value: 0.278 J/cm Grade Count:3
Izod Impact, Notched (ISO)	4.00 kJ/m² - NB	Average value: 7.41 kJ/m² Grade Count:14
	4.40 - 4.40 kJ/m² @Temperature -40.0 - -30.0 °C	Average value: 4.40 kJ/m² Grade Count:4
Izod Impact, Unnotched (ISO)	NB - NB @Temperature -30.0 - -30.0 °C	Grade Count:1
Charpy Impact Unnotched	1000 J/cm² - NB	Grade Count:10
	999.9 J/cm² - NB @Temperature -30.0 - 0.000 °C	Grade Count:4
Charpy Impact, Notched	0.153 - 1.00 J/cm²	Average value: 0.668 J/cm² Grade Count:17
	0.310 - 0.500 J/cm² @Temperature -30.0 - 0.000 °C	Average value: 0.443 J/cm² Grade Count:4
Falling Dart Impact	542.328 - 542.328 J @Temperature -40.0 - -40.0 °C	Average value: 542 J Grade Count:1
Puncture Energy	44.0 - 44.0 J @Temperature -40.0 - -40.0 °C	Average value: 44.0 J Grade Count:1

Electrical Properties	Original Value	Comments
Electrical Resistivity	10.0 - 1.00e+16 ohm-cm	Average value: 1.72e+15 ohm-cm Grade Count:24
Surface Resistance	1000 - 1.00e+16 ohm	Average value: 9.38e+14 ohm Grade Count:20
Static Decay	0.0100 - 2.00 sec	Average value: 0.785 sec Grade Count:11
Dielectric Constant	2.40 - 3.46	Average value: 2.64 Grade Count:10
Dielectric Strength	10.7 - 30.0 kV/mm	Average value: 17.9 kV/mm Grade Count:10
Dissipation Factor	0.00500 - 0.0230	Average value: 0.0160 Grade Count:7

Thermal Properties	Original Value	Comments
CTE, linear	43.0 - 94.0 µm/m-°C	Average value: 64.6 µm/m-°C Grade Count:17
Specific Heat Capacity	1.10 - 1.30 J/g-°C	Average value: 1.20 J/g-°C Grade Count:4
Thermal Conductivity	0.162 - 0.225 W/m-K	Average value: 0.197 W/m-K Grade Count:9
Maximum Service Temperature, Air	60.0 - 70.0 °C	Average value: 67.3 °C Grade Count:4
Deflection Temperature at 0.46 MPa (66 psi)	60.0 - 109 °C	Average value: 73.4 °C Grade Count:41
Deflection Temperature at 1.8 MPa (264 psi)	55.0 - 92.0 °C	Average value: 65.8 °C Grade Count:49
Vicat Softening Point	70.0 - 85.0 °C	Average value: 78.0 °C Grade Count:19
Glass Transition Temp, Tg	79.0 - 85.0 °C	Average value: 80.9 °C Grade Count:12
Decomposition Temperature	70.0 - 280 °C	Average value: 228 °C Grade Count:4
Flammability, UL94	HB - V-2	Grade Count:11

Optical Properties	Original Value	Comments
Refractive Index	1.57	Average value: 1.57 Grade Count:6
Haze	0.200 - 1.10 %	Average value: 0.897 % Grade Count:29
Gloss	90.0 - 171 %	Average value: 148 % Grade Count:4
Transmission, Visible	74.0 - 95.0 %	Average value: 87.5 % Grade Count:32
UV Transmittance	53.0 - 90.0 %	Average value: 77.4 % Grade Count:10

Processing Properties	Original Value	Comments
Processing Temperature	45.0 - 260 °C	Average value: 193 °C Grade Count:15
Die Temperature	195 - 293 °C	Average value: 244 °C Grade Count:10
Melt Temperature	160 - 293 °C	Average value: 231 °C Grade Count:27
Mold Temperature	10.0 - 70.0 °C	Average value: 28.6 °C Grade Count:13
Drying Temperature	50.0 - 102 °C	Average value: 68.7 °C Grade Count:24
Moisture Content	0.00400 - 0.300 %	Average value: 0.0354 % Grade Count:16
Dew Point	-40.0 - -33.9 °C	Average value: -36.1 °C Grade Count:11
Injection Pressure	5.50 - 103 MPa	Average value: 70.0 MPa 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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