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Rulon Bearings

Murtfeldt Original Material ”S”® plus + ESD Polyethylene, Conductive
Categories: Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)

Material Notes: Material ”S”® plus+ ESD has extremely low electrical resistance and is an optimum conductor. Full voltage dissipation for earthed components at maximum speed enables safe, spark-free work. This material provides a cost-effective alternative to carbon-filled PTFE.

Special Properties:
• Very good conductivity
• Voltage dissipation on surface in less than 0.1s
• Suitable for devices and machines subject to Directive 94/9/EC (ATEX 95)
• Approved for use in the food industry (EU and FDA)

Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.

Key Words: PE-UHMW
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density <= 0.930 g/cc<= 0.0336 lb/in³ISO 1183
Moisture Absorption at Equilibrium <= 0.10 %<= 0.10 %ISO 62
Water Absorption at Saturation <= 0.10 %<= 0.10 %ISO 62
Molecular Weight 5.00e+6 g/mol5.00e+6 g/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6363DIN 53505
Ball Indentation Hardness 38.0 MPa5510 psi
Tensile Strength at Break 25.0 MPa3630 psiISO 527
Tensile Strength 20.4 MPa2960 psiISO 527
Tensile Strength, Yield >= 20.0 MPa>= 2900 psiISO 527
Elongation at Break 290 %290 %ISO 527
Modulus of Elasticity 0.750 GPa109 ksi
Compressive Yield Strength  6.00 MPa
@Strain 1 %
870 psi
@Strain 1 %
ISO 604
 10.5 MPa
@Strain 2 %
1520 psi
@Strain 2 %
ISO 604
 18.0 MPa
@Strain 5.0 %
2610 psi
@Strain 5.0 %
ISO 604
Charpy Impact, Notched >= 12.0 J/cm²>= 57.1 ft-lb/in²ISO 179
Coefficient of Friction, Dynamic 0.10 - 0.200.10 - 0.20
Sand Slurry 110110value in %
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity <= 10000 ohm-cm<= 10000 ohm-cmIEC 60093
Surface Resistance <= 10000 ohm<= 10000 ohmIEC 60093
 
Thermal PropertiesMetricEnglishComments
CTE, linear 200 µm/m-°C
@Temperature 23.0 - 60.0 °C
111 µin/in-°F
@Temperature 73.4 - 140 °F
Thermal Conductivity 0.400 W/m-K2.78 BTU-in/hr-ft²-°FISO 52612
Melting Point 130 - 135 °C266 - 275 °FISO 3146
Maximum Service Temperature, Air 90.0 °C194 °FShort Term
 80.0 °C
@Time 1.80e+7 sec
176 °F
@Time 5000 hour
Minimum Service Temperature, Air -150 °C-238 °F
Glass Transition Temp, Tg -120 °C-184 °F
Flammability, UL94 HBHB
 
Compliance PropertiesMetricEnglishComments
FDA YesYes
 
Descriptive Properties
ColorBlack

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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