Overview of materials for PCTG Copolyester

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Overview of materials for PCTG Copolyester
Categories:	Polymer; Thermoplastic; Polyester, TP; Polycyclohexylenedimethylene Terephthalate (PCT); Glycol-Modified PCT (PCTG) Copolyester
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "PCTG 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	Metric	English	Comments

Density	1.19 - 1.26 g/cc	0.0430 - 0.0455 lb/in³	Average value: 1.21 g/cc Grade Count:27
	1.08 - 1.08 g/cc @Temperature 285 - 285 °C	0.0390 - 0.0390 lb/in³ @Temperature 545 - 545 °F	Average value: 1.08 g/cc Grade Count:2
Water Absorption	0.130 - 0.150 %	0.130 - 0.150 %	Average value: 0.140 % Grade Count:8
Viscosity Test	70.0 - 80.0 cm³/g	0.700 - 0.800 dl/g	Average value: 75.0 cm³/g Grade Count:4
Linear Mold Shrinkage	0.00200 - 0.00700 cm/cm	0.00200 - 0.00700 in/in	Average value: 0.00369 cm/cm Grade Count:21
ASTM Color	1.00 - 68.0	1.00 - 68.0	Average value: 33.5 Grade Count:4

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	103 - 107	103 - 107	Average value: 105 Grade Count:14
Tensile Strength, Ultimate	27.0 - 53.0 MPa	3920 - 7690 psi	Average value: 45.5 MPa Grade Count:20
Tensile Strength, Yield	42.0 - 56.0 MPa	6090 - 8120 psi	Average value: 46.7 MPa Grade Count:22
Elongation at Break	2.20 - 340 %	2.20 - 340 %	Average value: 214 % Grade Count:23
Elongation at Yield	4.00 - 5.50 %	4.00 - 5.50 %	Average value: 4.59 % Grade Count:21
Modulus of Elasticity	1.30 - 2.13 GPa	189 - 309 ksi	Average value: 1.72 GPa Grade Count:14
Flexural Yield Strength	37.2 - 74.5 MPa	5400 - 10800 psi	Average value: 63.8 MPa Grade Count:19
Flexural Modulus	1.26 - 2.00 GPa	183 - 290 ksi	Average value: 1.78 GPa Grade Count:19
Izod Impact, Notched	0.250 - 100 J/cm	0.468 - 187 ft-lb/in	Average value: 2.45 J/cm Grade Count:17
	0.400 - 0.750 J/cm @Temperature -40.0 - -40.0 °C	0.749 - 1.41 ft-lb/in @Temperature -40.0 - -40.0 °F	Average value: 0.514 J/cm Grade Count:14
Izod Impact, Unnotched	100 J/cm - NB	187 ft-lb/in - NB	Grade Count:14
	99.99 J/cm - NB @Temperature -40.0 - -40.0 °C	187.3 ft-lb/in - NB @Temperature -40.0 - -40.0 °F	Grade Count:14
Izod Impact, Notched (ISO)	2.10 - 125 kJ/m²	0.999 - 59.5 ft-lb/in²	Average value: 26.7 kJ/m² Grade Count:12
	4.80 - 7.40 kJ/m² @Temperature -40.0 - 0.000 °C	2.28 - 3.52 ft-lb/in² @Temperature -40.0 - 32.0 °F	Average value: 5.95 kJ/m² Grade Count:11
Izod Impact, Unnotched (ISO)	NB - NB @Temperature -30.0 - 0.000 °C	NB - NB @Temperature -22.0 - 32.0 °F	Grade Count:2
Charpy Impact Unnotched	1000 J/cm² - NB	4760 ft-lb/in² - NB	Grade Count:7
	999.9 J/cm² - NB @Temperature -30.0 - 0.000 °C	4759 ft-lb/in² - NB @Temperature -22.0 - 32.0 °F	Grade Count:7
Charpy Impact, Notched	0.750 - 6.10 J/cm²	3.57 - 29.0 ft-lb/in²	Average value: 1.94 J/cm² Grade Count:7
	0.480 - 0.770 J/cm² @Temperature -30.0 - 0.000 °C	2.28 - 3.66 ft-lb/in² @Temperature -22.0 - 32.0 °F	Average value: 0.600 J/cm² Grade Count:7
Puncture Energy	14.0 - 71.0 J	10.3 - 52.4 ft-lb	Average value: 45.3 J Grade Count:16
	16.0 - 55.0 J @Temperature -40.0 - -40.0 °C	11.8 - 40.6 ft-lb @Temperature -40.0 - -40.0 °F	Average value: 44.3 J Grade Count:14

Electrical Properties	Metric	English	Comments
Electrical Resistivity	6.00e+9 - 1.00e+15 ohm-cm	6.00e+9 - 1.00e+15 ohm-cm	Average value: 6.67e+14 ohm-cm Grade Count:3

Thermal Properties	Metric	English	Comments
CTE, linear	68.0 - 97.0 µm/m-°C	37.8 - 53.9 µin/in-°F	Average value: 81.2 µm/m-°C Grade Count:6
CTE, linear, Transverse to Flow	50.0 - 73.0 µm/m-°C	27.8 - 40.6 µin/in-°F	Average value: 62.8 µm/m-°C Grade Count:5
Specific Heat Capacity	1.09 - 2.16 J/g-°C @Temperature 10.0 - 290 °C	0.261 - 0.516 BTU/lb-°F @Temperature 50.0 - 554 °F	Average value: 1.61 J/g-°C Grade Count:4
Thermal Conductivity	0.190 - 0.220 W/m-K	1.32 - 1.53 BTU-in/hr-ft²-°F	Average value: 0.202 W/m-K Grade Count:5
Melting Point	202 - 249 °C	396 - 480 °F	Average value: 221 °C Grade Count:6
Deflection Temperature at 0.46 MPa (66 psi)	67.6 - 105 °C	154 - 221 °F	Average value: 74.2 °C Grade Count:24
Deflection Temperature at 1.8 MPa (264 psi)	60.0 - 92.0 °C	140 - 198 °F	Average value: 65.8 °C Grade Count:25
Vicat Softening Point	77.0 - 110 °C	171 - 230 °F	Average value: 84.8 °C Grade Count:13
Glass Transition Temp, Tg	76.0 - 113 °C	169 - 235 °F	Average value: 86.1 °C Grade Count:14
Flammability, UL94	HB - V-2	HB - V-2	Grade Count:7

Optical Properties	Metric	English	Comments
Haze	0.300 - 1.00 %	0.300 - 1.00 %	Average value: 0.694 % Grade Count:16
Gloss	98.0 - 167 %	98.0 - 167 %	Average value: 144 % Grade Count:3
Transmission, Visible	80.0 - 92.0 %	80.0 - 92.0 %	Average value: 88.1 % Grade Count:17
UV Transmittance	60.0 - 90.0 %	60.0 - 90.0 %	Average value: 72.4 % Grade Count:3

Processing Properties	Metric	English	Comments
Melt Temperature	180 - 295 °C	356 - 563 °F	Average value: 257 °C Grade Count:22
Mold Temperature	15.0 - 40.0 °C	59.0 - 104 °F	Average value: 23.6 °C Grade Count:13
Drying Temperature	70.0 - 74.0 °C	158 - 165 °F	Average value: 70.9 °C Grade Count:17
Moisture Content	0.00400 %	0.00400 %	Average value: 0.00400 % Grade Count:4
Dew Point	-40.0 °C	-40.0 °F	Average value: -40.0 °C Grade Count:4

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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O3420 / 78215

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