Murtfeldt Murflor® + Bronze Polytetrafluoroethylene, 60% Bronze

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Murtfeldt Murflor® + Bronze Polytetrafluoroethylene, 60% Bronze
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Bronze Filled
Material Notes:	The addition of 60% bronze to the base material reduces the expansion coefficient and gives lower sliding wear. Special Properties: • Lower sliding wear than Murflor® • Good slide properties • Low stick/slip effect • Higher compressive strength than Murflor® Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PTFE CuSn
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Physical Properties	Metric	English	Comments

Density	3.88 g/cc	0.140 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	68	68	DIN 53505
Tensile Strength, Yield	14.0 MPa	2030 psi	ISO 527-1/-2
Elongation at Break	140 %	140 %	ISO 527-1/-2
Modulus of Elasticity	1.38 GPa	200 ksi
Compressive Yield Strength	10.5 MPa @Strain 1 %	1520 psi @Strain 1 %	dry; ISO 604
Charpy Impact, Notched	1.10 J/cm²	5.23 ft-lb/in²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.14	0.14
Sand Slurry	0.50	0.50	µm/km

Electrical Properties	Metric	English	Comments
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm

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	Bronze

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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