Murtfeldt Original Material ”S”® Natural Polyethylene

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Murtfeldt Original Material ”S”® Natural Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)
Material Notes:	Material ”S”® is based on virgin, ultrahigh molecular weight low pressure polyethylene and significantly exceeds the requirements of DIN 16972. In particular, Material ”S”® natural has excellent slide properties, high wear resistance, and a long lifetime It is used in all applications where a technical, high performance plastic is required. Special Properties: • Extremely high wear resistance –even in abrasive applications •Excellent slide properties • High impact strength •Extremely good resistance to chemicals •Excellent shock and impact absorption •Good anti-adhesion properties •No moisture absorption •Electrically isolating •Approved for use in the food industry (EU and FDA) Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	PE-UHMW
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Physical Properties	Original Value	Comments

Density	<= 0.930 g/cc	ISO 1183
Molecular Weight	5.00e+6 g/mol

Mechanical Properties	Original Value	Comments
Hardness, Shore D	66	DIN 53505
Ball Indentation Hardness	38.0 MPa
Tensile Strength	20.4 MPa	ISO 527
Elongation at Break	380 %	ISO 527
Modulus of Elasticity	0.700 GPa
Charpy Impact, Notched	>= 170 kJ/m²	ISO 179
Coefficient of Friction, Dynamic	0.10 - 0.20
Sand Slurry	100	value in %

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+14 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+13 ohm	IEC 60093
Dielectric Strength	<= 45.0 kV/mm	IEC 60243

Thermal Properties	Original Value	Comments
CTE, linear	200 µm/m-°C @Temperature 23.0 - 60.0 °C
Thermal Conductivity	0.400 W/m-K	ISO 52612
Maximum Service Temperature, Air	90.0 °C	Short Term
	80.0 °C @Time 1.80e+7 sec
Minimum Service Temperature, Air	-200 °C
Flammability, UL94	HB

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

Descriptive Properties
Color	Natural

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PMURT902 / 156549

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