Wefapress PETP-SP with Solid Lubricant

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Wefapress PETP-SP with Solid Lubricant
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Unreinforced
Material Notes:	PETP-SP is a polyethylene terephthalate modified with solid lubricants. This composition leads to "self-lubrication" of the material, to improve the sliding properties and wear resistance of the material compared to pure PETP. This promotes greater carrying capacity and also prevents the slip-stick effect. Information provided by Wefapress.
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Physical Properties	Metric	English	Comments

Density	1.43 g/cc	0.0517 lb/in³	DIN 53479

Mechanical Properties	Metric	English	Comments
Ball Indentation Hardness	128 MPa @Time 30.0 sec	18600 psi @Time 0.00833 hour	DIN ISO 2039 Teil 1
Tensile Strength	65.0 MPa	9430 psi	DIN 53455
Tensile Strength, Ultimate	75.0 MPa	10900 psi	DIN 53455
Elongation at Break	5.0 %	5.0 %	DIN ISO / R 527
Modulus of Elasticity	2.20 GPa	319 ksi	DIN 53457
1% Secant Modulus	1.00 MPa	145 psi	EU 1935/2004 - EU 10/2011 (FSP Quality)
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²	DIN 53457
Coefficient of Friction	0.20	0.20

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093

Thermal Properties	Metric	English	Comments
CTE, linear	80.0 µm/m-°C	44.4 µin/in-°F	DIN ISO 11359
Specific Heat Capacity	1.50 J/g-°C	0.359 BTU/lb-°F
Thermal Conductivity	0.230 W/m-K	1.60 BTU-in/hr-ft²-°F
Melting Point	255 °C	491 °F	DTA
Maximum Service Temperature, Air	75.0 °C	167 °F	Dimensional Stability; DIN 53461
	100 °C	212 °F	Continuous Application Temp.
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F
Flammability, UL94	HB	HB

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

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.

PWEFA938 / 243143

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