Murtfeldt Murflor® Polytetrafluoroethylene, 25% Carbon

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Murtfeldt Murflor® Polytetrafluoroethylene, 25% Carbon
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Conductive Carbon Filled
Material Notes:	The integration of 25% carbon increases the wear resistance, hardness, and creep strength of this material. Murflor® + Carbon is used, for example, when electrical conductivity is required and Material ”S”® Black Antistatic cannot be used because the ambient temperature is too high. Special Properties: • Higher wear resistance than Murflor® • Very good slide properties • Low stick/slip effect • Electrically conductive • Suitable for devices and machines subject to Directive 94/9/EC (ATEX 95) Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PTFE-C
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Physical Properties	Metric	English	Comments

Density	2.10 g/cc	0.0759 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	67	67	DIN 53505
Tensile Strength, Yield	15.0 MPa	2180 psi	ISO 527-1/-2
Elongation at Break	180 %	180 %	ISO 527-1/-2
Modulus of Elasticity	1.27 GPa	184 ksi
Compressive Yield Strength	10.0 MPa @Strain 1 %	1450 psi @Strain 1 %	dry; ISO 604
Charpy Impact, Notched	0.800 J/cm²	3.81 ft-lb/in²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.12	0.12
Sand Slurry	1.0	1.0	µm/km

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1000 - 1.00e+6 ohm-cm	1000 - 1.00e+6 ohm-cm	IEC 60093
Surface Resistance	1000 - 1.00e+6 ohm	1000 - 1.00e+6 ohm	IEC 60093

Thermal Properties	Metric	English	Comments
CTE, linear	95.0 µm/m-°C @Temperature 23.0 - 100 °C	52.8 µin/in-°F @Temperature 73.4 - 212 °F
Melting Point	330 °C	626 °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	No	No

Descriptive Properties
Color	Black

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PMURT935 / 156582

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