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 PropertiesMetricEnglishComments
Density 1.18 - 1.37 g/cc0.0426 - 0.0495 lb/in³Average value: 1.27 g/cc Grade Count:75
Water Absorption 0.120 - 0.200 %0.120 - 0.200 %Average value: 0.146 % Grade Count:5
Moisture Absorption at Equilibrium 0.200 - 0.300 %0.200 - 0.300 %Average value: 0.250 % Grade Count:5
Viscosity Test 70.0 - 86.0 cm³/g0.700 - 0.860 dl/gAverage value: 77.0 cm³/g Grade Count:6
Linear Mold Shrinkage 0.00140 - 0.00700 cm/cm0.00140 - 0.00700 in/inAverage value: 0.00359 cm/cm Grade Count:38
Melt Flow 1.20 - 39.0 g/10 min1.20 - 39.0 g/10 minAverage value: 15.3 g/10 min Grade Count:12
ASTM Color 1.00 - 68.01.00 - 68.0Average value: 33.0 Grade Count:4
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 104 - 121104 - 121Average value: 110 Grade Count:31
Tensile Strength, Ultimate 20.0 - 100 MPa2900 - 14500 psiAverage value: 44.8 MPa Grade Count:62
Tensile Strength, Yield 28.3 - 101 MPa4100 - 14600 psiAverage value: 51.4 MPa Grade Count:48
Elongation at Break 3.20 - 360 %3.20 - 360 %Average value: 123 % Grade Count:64
Elongation at Yield 2.70 - 575 %2.70 - 575 %Average value: 31.0 % Grade Count:35
Modulus of Elasticity 1.10 - 20.3 GPa160 - 2940 ksiAverage value: 3.03 GPa Grade Count:39
Flexural Yield Strength 39.2 - 88.9 MPa5690 - 12900 psiAverage value: 70.5 MPa Grade Count:44
Flexural Modulus 1.17 - 2.76 GPa170 - 400 ksiAverage value: 1.97 GPa Grade Count:59
Izod Impact, Notched 0.267 - 5340 J/cm0.500 - 10000 ft-lb/inAverage value: 3.81 J/cm Grade Count:37
 0.290 - 0.520 J/cm
@Temperature -40.0 - -30.0 °C
0.543 - 0.974 ft-lb/in
@Temperature -40.0 - -22.0 °F
Average value: 0.407 J/cm Grade Count:6
Izod Impact, Unnotched 0.497 J/cm - NB0.930 ft-lb/in - NBAverage value: 6.94 J/cm Grade Count:11
 0.277628 J/cm - NB
@Temperature -40.0 - -40.0 °C
0.520111 ft-lb/in - NB
@Temperature -40.0 - -40.0 °F
Average value: 0.278 J/cm Grade Count:3
Izod Impact, Notched (ISO) 4.00 kJ/m² - NB1.90 ft-lb/in² - NBAverage value: 7.41 kJ/m² Grade Count:14
 4.40 - 4.40 kJ/m²
@Temperature -40.0 - -30.0 °C
2.09 - 2.09 ft-lb/in²
@Temperature -40.0 - -22.0 °F
Average value: 4.40 kJ/m² Grade Count:4
Izod Impact, Unnotched (ISO) NB - NB
@Temperature -30.0 - -30.0 °C
NB - NB
@Temperature -22.0 - -22.0 °F
Grade Count:1
Charpy Impact Unnotched 1000 J/cm² - NB4760 ft-lb/in² - NBGrade Count:10
 999.9 J/cm² - NB
@Temperature -30.0 - 0.000 °C
4759 ft-lb/in² - NB
@Temperature -22.0 - 32.0 °F
Grade Count:4
Charpy Impact, Notched 0.153 - 1.00 J/cm²0.728 - 4.76 ft-lb/in²Average value: 0.668 J/cm² Grade Count:17
 0.310 - 0.500 J/cm²
@Temperature -30.0 - 0.000 °C
1.48 - 2.38 ft-lb/in²
@Temperature -22.0 - 32.0 °F
Average value: 0.443 J/cm² Grade Count:4
Falling Dart Impact 542.328 - 542.328 J
@Temperature -40.0 - -40.0 °C
400.001 - 400.001 ft-lb
@Temperature -40.0 - -40.0 °F
Average value: 542 J Grade Count:1
Puncture Energy 44.0 - 44.0 J
@Temperature -40.0 - -40.0 °C
32.5 - 32.5 ft-lb
@Temperature -40.0 - -40.0 °F
Average value: 44.0 J Grade Count:1
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 10.0 - 1.00e+16 ohm-cm10.0 - 1.00e+16 ohm-cmAverage value: 1.72e+15 ohm-cm Grade Count:24
Surface Resistance 1000 - 1.00e+16 ohm1000 - 1.00e+16 ohmAverage value: 9.38e+14 ohm Grade Count:20
Static Decay 0.0100 - 2.00 sec0.0100 - 2.00 secAverage value: 0.785 sec Grade Count:11
Dielectric Constant 2.40 - 3.462.40 - 3.46Average value: 2.64 Grade Count:10
Dielectric Strength 10.7 - 30.0 kV/mm272 - 762 kV/inAverage value: 17.9 kV/mm Grade Count:10
Dissipation Factor 0.00500 - 0.02300.00500 - 0.0230Average value: 0.0160 Grade Count:7
 
Thermal PropertiesMetricEnglishComments
CTE, linear 43.0 - 94.0 µm/m-°C23.9 - 52.2 µin/in-°FAverage value: 64.6 µm/m-°C Grade Count:17
Specific Heat Capacity 1.10 - 1.30 J/g-°C0.263 - 0.311 BTU/lb-°FAverage value: 1.20 J/g-°C Grade Count:4
Thermal Conductivity 0.162 - 0.225 W/m-K1.12 - 1.56 BTU-in/hr-ft²-°FAverage value: 0.197 W/m-K Grade Count:9
Maximum Service Temperature, Air 60.0 - 78.6 °C140 - 173 °FAverage value: 69.6 °C Grade Count:6
Deflection Temperature at 0.46 MPa (66 psi) 60.0 - 109 °C140 - 228 °FAverage value: 73.4 °C Grade Count:41
Deflection Temperature at 1.8 MPa (264 psi) 55.0 - 92.0 °C131 - 198 °FAverage value: 65.8 °C Grade Count:49
Vicat Softening Point 70.0 - 85.0 °C158 - 185 °FAverage value: 78.0 °C Grade Count:19
Glass Transition Temp, Tg 79.0 - 85.0 °C174 - 185 °FAverage value: 80.9 °C Grade Count:12
Decomposition Temperature 70.0 - 280 °C158 - 536 °FAverage value: 228 °C Grade Count:4
Flammability, UL94 HB - V-2HB - V-2Grade Count:11
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.571.57Average value: 1.57 Grade Count:6
Haze 0.200 - 1.10 %0.200 - 1.10 %Average value: 0.897 % Grade Count:29
Gloss 90.0 - 171 %90.0 - 171 %Average value: 148 % Grade Count:4
Transmission, Visible 74.0 - 95.0 %74.0 - 95.0 %Average value: 87.5 % Grade Count:32
UV Transmittance 53.0 - 90.0 %53.0 - 90.0 %Average value: 77.4 % Grade Count:10
 
Processing PropertiesMetricEnglishComments
Processing Temperature 45.0 - 260 °C113 - 500 °FAverage value: 193 °C Grade Count:15
Die Temperature 195 - 293 °C383 - 560 °FAverage value: 244 °C Grade Count:10
Melt Temperature 160 - 293 °C320 - 560 °FAverage value: 231 °C Grade Count:27
Mold Temperature 10.0 - 70.0 °C50.0 - 158 °FAverage value: 28.6 °C Grade Count:13
Drying Temperature 50.0 - 102 °C122 - 216 °FAverage value: 68.7 °C Grade Count:24
Moisture Content 0.00400 - 0.300 %0.00400 - 0.300 %Average value: 0.0354 % Grade Count:16
Dew Point -40.0 - -33.9 °C-40.0 - -29.0 °FAverage value: -36.1 °C Grade Count:11
Injection Pressure 5.50 - 103 MPa798 - 15000 psiAverage 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 view all the property values for this datasheet as they were originally entered into MatWeb.