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	Original Value	Comments

Density	1.43 g/cc	DIN 53479

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	128 MPa @Time 30.0 sec	DIN ISO 2039 Teil 1
Tensile Strength	65.0 MPa	DIN 53455
Tensile Strength, Ultimate	75.0 MPa	DIN 53455
Elongation at Break	5.0 %	DIN ISO / R 527
Modulus of Elasticity	2.20 GPa	DIN 53457
1% Secant Modulus	1.00 MPa	EU 1935/2004 - EU 10/2011 (FSP Quality)
Charpy Impact, Notched	2.00 kJ/m²	DIN 53457
Coefficient of Friction	0.20

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

Thermal Properties	Original Value	Comments
CTE, linear	80.0 µm/m-°C	DIN ISO 11359
Specific Heat Capacity	1.50 J/g-°C
Thermal Conductivity	0.230 W/m-K
Melting Point	255 °C	DTA
Maximum Service Temperature, Air	75.0 °C	Dimensional Stability; DIN 53461
	100 °C	Continuous Application Temp.
Minimum Service Temperature, Air	-20.0 °C
Flammability, UL94	HB

Compliance Properties	Original Value	Comments
FDA	Yes

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