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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	82	ISO 2039-2
Ball Indentation Hardness	160 MPa	ISO 2039-1
Tensile Strength at Break	78.0 MPa	ISO 527-1/-2
Elongation at Break	3.5 %	ISO 527-1/-2
Modulus of Elasticity	4.00 GPa
Compressive Yield Strength	33.0 MPa @Strain 1 %	dry; ISO 604
	65.0 MPa @Strain 2 %	dry; ISO 604
Charpy Impact Unnotched	25.0 kJ/m²	ISO 179-1/1eU
Charpy Impact, Notched	4.00 kJ/m²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.20
Sand Slurry	0.10	µm/km

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

Thermal Properties	Original Value	Comments
CTE, linear	50.0 µm/m-°C @Temperature 23.0 - 60.0 °C
	60.0 µm/m-°C @Temperature 23.0 - 100 °C
	100 µm/m-°C @Temperature 150 °C
Melting Point	280 °C	ISO 11357-1
Maximum Service Temperature, Air	200 °C @Time 1.80e+7 sec
	260 °C @Time <=86400 sec
Minimum Service Temperature, Air	-20.0 °C
Glass Transition Temp, Tg	100 °C	ISO 11357-1
Flammability, UL94	V-0

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

Descriptive Properties
Color	Dark Blue

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PMURT937 / 156584

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