Global EPP PET SL PET + Solid Lubricant

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Global EPP PET SL PET + Solid Lubricant
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Unreinforced
Material Notes:	PET is an unreinforced, semi-crystalline thermoplastic polyester, demonstrating dimensional stability similar to acetal, combined with the comparable wear resistance of nylon. Heavily loaded mechanical precision components subjected to sustained abrasive environments are particularly suited to this material. Key characteristics: Excellent dimensional stability High mechanical strength, hardness and rigidity Excellent wear resistance Good creep resistance Low moisture absorption Low thermal expansion Good resistance to radiant energy Good electrical insulating properties Stain resistant Suitable for food contact This internally lubricated grade incorporates a uniformly dispersed solid lubricant; demonstrating improved frictional properties, outstanding wear resistance and excellent pressure-velocity characteristics over the basic grade.
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Physical Properties	Metric	English	Comments

Density	1.44 g/cc	0.0520 lb/in³	Test Method A; ISO 1183:1987
Water Absorption	0.060 % @Temperature 23.0 °C, Time 86400 sec	0.060 % @Temperature 73.4 °F, Time 24.0 hour	Immersion; ISO 62:1999 (modified)
Moisture Absorption at Equilibrium	0.23 %	0.23 %	50% RH; ISO 62:1999
Water Absorption at Saturation	0.40 %	0.40 %	ISO 62:1999

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	80.0 MPa	11600 psi	Sample Type 1B, 50mm/min; ISO 527-1/2:1993
Elongation at Break	>= 10 %	>= 10 %	Sample Type 1B, 50 mm/min; ISO 527-1/2:1993
Modulus of Elasticity	3.50 GPa	508 ksi	Sample Type 1B, 50 mm/min; ISO 527-1/2:1993
Flexural Strength	95.0 MPa	13800 psi	1.5 mm/min; ISO 178:2001
Flexural Modulus	2.40 GPa	348 ksi	1.5 mm/min; ISO 178:2001
Compressive Strength	100 MPa	14500 psi	Sample Type B, 5 mm/min; ISO 604:2002
Compressive Modulus	2.70 GPa	392 ksi	Sample Type A, 1 mm/min; ISO 604:2002
Izod Impact, Notched (ISO)	2.50 kJ/m²	1.19 ft-lb/in²	Sample Type A; ISO 180:2000
Charpy Impact, Notched	0.250 J/cm²	1.19 ft-lb/in²	ISO 179-2:1999
Coefficient of Friction, Dynamic	0.19 @Pressure 1.75 MPa	0.19 @Pressure 254 psi	31.4 m/min
Limiting Pressure Velocity	0.217 MPa-m/sec	6200 psi-ft/min

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	IEC 60093:1980-01
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093:1980-01
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz	IEC 60250:1969-01
	3.4 @Frequency 100 Hz	3.4 @Frequency 100 Hz	IEC 60250:1969-01
Dielectric Strength	22.0 kV/mm	559 kV/in	IEC 60243-1:1998-01
Dissipation Factor	0.0010 @Frequency 100 Hz	0.0010 @Frequency 100 Hz	IEC 60250:1969-01
Comparative Tracking Index	600 V	600 V	IEC 60112:2003-01

Thermal Properties	Metric	English	Comments
CTE, linear	67.0 µm/m-°C @Temperature 23.0 - 55.0 °C	37.2 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-2:1999
Thermal Conductivity	0.290 W/m-K	2.01 BTU-in/hr-ft²-°F	ISO 8301:1991
Melting Point	255 °C	491 °F
Maximum Service Temperature, Air	105 °C	221 °F	Continuous
	160 °C	320 °F	Intermittent
Deflection Temperature at 1.8 MPa (264 psi)	75.0 °C	167 °F	ISO 75
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F	Continuous
Glass Transition Temp, Tg	70.0 °C	158 °F	ISO 11359-2:1999
Flammability, UL94	HB	HB	IEC 60695-11-10:2003-08

Descriptive Properties
Color	Light Grey

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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