Murtfeldt Murflor® Polytetrafluoroethylene

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Murtfeldt Murflor® Polytetrafluoroethylene
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Extruded
Material Notes:	Murflor® materials are suited to use in applications that require an excellent resistance to chemicals and heating steam. Murflor®’s working range starts at -200°C and can extend to +260°C with no mechanical load. Murflor® also has the lowest dynamic friction coefficient of all thermoplastics. Special Properties: • Best dynamic friction properties of all thermoplastics • No stick/slip effect • Very good anti-adhesion properties • Electrically isolating • Very high resistance to chemicals • Very high resistance to hydrolysis • Very tough, even at low temperatures • Approved for use in the food industry (FDA Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PTFE
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Physical Properties	Metric	English	Comments

Density	2.18 g/cc	0.0788 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	58	58	DIN 53505
Tensile Strength, Yield	20.0 MPa	2900 psi	ISO 527-1/-2
Elongation at Break	300 %	300 %	ISO 527-1/-2
Modulus of Elasticity	0.750 GPa	109 ksi
Compressive Yield Strength	4.50 MPa @Strain 1 %	653 psi @Strain 1 %	dry; ISO 604
Charpy Impact Unnotched	NB	NB	ISO 179
Charpy Impact, Notched	1.60 J/cm²	7.61 ft-lb/in²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.080	0.080
Sand Slurry	21	21	µm/km

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+17 ohm-cm	1.00e+17 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm	IEC 60093
Dielectric Constant	2.0 @Frequency 100 Hz	2.0 @Frequency 100 Hz	IEC 60250
	2.1 @Frequency 1e+6 Hz	2.1 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	20.0 kV/mm	508 kV/in	IEC 60243-1
Dielectric Loss Index	0.00010 @Frequency 1e+6 Hz	0.00010 @Frequency 1e+6 Hz	IEC 60250
	0.00030 @Frequency 100 Hz	0.00030 @Frequency 100 Hz	IEC 60250

Thermal Properties	Metric	English	Comments
CTE, linear	160 µm/m-°C @Temperature 23.0 - 100 °C	88.9 µin/in-°F @Temperature 73.4 - 212 °F
Melting Point	321 °C	610 °F	ISO 11357-1
Maximum Service Temperature, Air	260 °C @Time 7.20e+7 sec	500 °F @Time 20000 hour
	300 °C @Time <=86400 sec	572 °F @Time <=24.0 hour
Minimum Service Temperature, Air	-200 °C	-328 °F
Glass Transition Temp, Tg	127 °C	261 °F	ISO 11357-1
Flammability, UL94	V-0	V-0

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

Descriptive Properties
Color	Natural

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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PMURT934 / 156581

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