Murtfeldt Murpec® Polyetheretherketone

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Murtfeldt Murpec® Polyetheretherketone
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	In comparison with other thermoplastics, Murpec® has an exceptionally low thermal expansion coefficient. This property provides optimum dimensional stability and means that dimensions do not change even if used in wet environments. Because of the high glass transition temperature, the material’s rigidity and strength are retained almost in their entirety even at high temperatures. Special Properties: • High wear resistance • Low expansion coefficient • Electrically isolating • High temperature resistance • Flame-resistant • High compressive strength • High resistance to energy radiation • Excellent resistance to chemicals and heating steam • Approved for use in the food industry (EU and/or FDA) Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PEEK
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Physical Properties	Original Value	Comments

Density	1.31 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.20 % @Temperature 23.0 °C	50% RH
Water Absorption at Saturation	0.45 % @Temperature 23.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	105	ISO 2039-2
Hardness, Shore D	87	DIN 53505
Ball Indentation Hardness	190 MPa	ISO 2039-1
Tensile Strength	115 MPa	ISO 527-1/-2
Elongation at Break	17 %	ISO 527-1/-2
Modulus of Elasticity	4.30 GPa
Compressive Yield Strength	38.0 MPa @Strain 1 %	dry; ISO 604
	75.0 MPa @Strain 2 %	dry; ISO 604
Charpy Impact Unnotched	NB	ISO 179-1/1eU
	NB	ISO 179
Charpy Impact, Notched	3.50 kJ/m²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.20
Sand Slurry	0.30	µm/km

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+14 ohm-cm	IEC 60093
Dielectric Constant	3.2 @Frequency 100 Hz	IEC 60250
	3.2 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	24.0 kV/mm	IEC 60243-1
Dielectric Loss Index	0.0010 @Frequency 100 Hz	IEC 60250
	0.0020 @Frequency 1e+6 Hz	IEC 60250

Thermal Properties	Original Value	Comments
CTE, linear	50.0 µm/m-°C @Temperature 23.0 - 60.0 °C
	55.0 µm/m-°C @Temperature 23.0 - 100 °C
	130 µm/m-°C @Temperature 150 °C
Melting Point	340 °C	ISO 11357-1
Maximum Service Temperature, Air	250 °C @Time 1.80e+7 sec
	310 °C @Time <=86400 sec
Minimum Service Temperature, Air	-50.0 °C
Glass Transition Temp, Tg	143 °C	ISO 11357-1
Flammability, UL94	V-0

Compliance Properties	Original Value	Comments
European Food 1935/2004	Yes
FDA	Yes

Descriptive Properties
Color	Natural/Black

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