Murtfeldt Murinit® SP Polyphenylene Sulfide

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Murtfeldt Murinit® SP Polyphenylene Sulfide
Categories:	Polymer; Thermoplastic; Polyphenylene Sulfide (PPS)
Material Notes:	Thanks to the low fiber content and integrated solid lubricant, Murinit® SP offers an excellent combination of good slide and wear behavior, high strength, and dimensional stability – even at high temperatures. Special Properties: • High wear resistance • Good slide properties • Good resistance to chemicals and hydrolysis • Excellent creep and compressive strength • Good electrical isolation properties • Low thermal expansion coefficient • Approved for use in the food industry (EU and/or FDA) Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PPS-SP
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Physical Properties	Metric	English	Comments

Density	1.42 g/cc	0.0513 lb/in³	ISO 1183-1
Moisture Absorption at Equilibrium	0.050 % @Temperature 23.0 °C	0.050 % @Temperature 73.4 °F	50% RH
Water Absorption at Saturation	0.20 % @Temperature 23.0 °C	0.20 % @Temperature 73.4 °F

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	82	82	ISO 2039-2
Ball Indentation Hardness	160 MPa	23200 psi	ISO 2039-1
Tensile Strength at Break	78.0 MPa	11300 psi	ISO 527-1/-2
Elongation at Break	3.5 %	3.5 %	ISO 527-1/-2
Modulus of Elasticity	4.00 GPa	580 ksi
Compressive Yield Strength	33.0 MPa @Strain 1 %	4790 psi @Strain 1 %	dry; ISO 604
	65.0 MPa @Strain 2 %	9430 psi @Strain 2 %	dry; ISO 604
Charpy Impact Unnotched	2.50 J/cm²	11.9 ft-lb/in²	ISO 179-1/1eU
Charpy Impact, Notched	0.400 J/cm²	1.90 ft-lb/in²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.20	0.20
Sand Slurry	0.10	0.10	µm/km

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+14 ohm-cm	>= 1.00e+14 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm	IEC 60093
Dielectric Constant	3.3 @Frequency 100 Hz	3.3 @Frequency 100 Hz	IEC 60250
	3.3 @Frequency 1e+6 Hz	3.3 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	24.0 kV/mm	610 kV/in	IEC 60243-1
Dielectric Loss Index	0.0030 @Frequency 100 Hz	0.0030 @Frequency 100 Hz	IEC 60250
	0.0030 @Frequency 1e+6 Hz	0.0030 @Frequency 1e+6 Hz	IEC 60250

Thermal Properties	Metric	English	Comments
CTE, linear	50.0 µm/m-°C @Temperature 23.0 - 60.0 °C	27.8 µin/in-°F @Temperature 73.4 - 140 °F
	60.0 µm/m-°C @Temperature 23.0 - 100 °C	33.3 µin/in-°F @Temperature 73.4 - 212 °F
	100 µm/m-°C @Temperature 150 °C	55.6 µin/in-°F @Temperature 302 °F
Melting Point	280 °C	536 °F	ISO 11357-1
Maximum Service Temperature, Air	200 °C @Time 1.80e+7 sec	392 °F @Time 5000 hour
	260 °C @Time <=86400 sec	500 °F @Time <=24.0 hour
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F
Glass Transition Temp, Tg	100 °C	212 °F	ISO 11357-1
Flammability, UL94	V-0	V-0

Compliance Properties	Metric	English	Comments
European Food 1935/2004	Yes	Yes
FDA	Yes	Yes

Descriptive Properties
Color	Dark Blue

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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PMURT937 / 156584

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