Global EPP PET

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Global EPP PET
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 PET demonstrates outstanding dimensional stability, extremely low water absorption and relatively low thermal expansion. These properties are coupled to high mechanical strength, excellent creep and wear resistance, good electrical insulation and chemical resistance properties.
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Physical Properties	Original Value	Comments

Density	1.37 g/cc	Test Method A; ISO 1183:1987
Water Absorption	0.070 % @Temperature 23.0 °C, Time 86400 sec	Immersion; ISO 62:1999 (modified)
Moisture Absorption at Equilibrium	0.25 %	50% RH; ISO 62:1999
Water Absorption at Saturation	0.50 %	ISO 62:1999

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	90.0 MPa	Sample Type 1B, 50mm/min; ISO 527-1/2:1993
Elongation at Break	>= 15 %	Sample Type 1B, 50 mm/min; ISO 527-1/2:1993
Modulus of Elasticity	3.70 GPa	Sample Type 1B, 50 mm/min; ISO 527-1/2:1993
Flexural Strength	100 MPa	1.5 mm/min; ISO 178:2001
Flexural Modulus	2500 MPa	1.5 mm/min; ISO 178:2001
Compressive Strength	100 MPa	Sample Type B, 5 mm/min; ISO 604:2002
Compressive Modulus	2800 MPa	Sample Type A, 1 mm/min; ISO 604:2002
Izod Impact, Notched (ISO)	2.00 kJ/m²	Sample Type A; ISO 180:2000
Charpy Impact, Notched	0.200 J/cm²	ISO 179-2:1999
Coefficient of Friction, Dynamic	0.25 @Pressure 1.75 MPa	31.4 m/min

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

Thermal Properties	Original Value	Comments
CTE, linear	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-2:1999
Thermal Conductivity	0.290 W/m-K	ISO 8301:1991
Melting Point	255 °C
Maximum Service Temperature, Air	110 °C	Continuous
	170 °C	Intermittent
Deflection Temperature at 0.46 MPa (66 psi)	170 °C	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	85.0 °C	ISO 75
Glass Transition Temp, Tg	70.0 °C	ISO 11359-2:1999
Flammability, UL94	HB	IEC 60695-11-10:2003-08

Descriptive Properties
Color	White and Black

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