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Rulon Bearings

Röchling LAMIGAMID® 600 Polyoxymethylene
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)

Material Notes: Application: friction bearings, wear and sliding liners

Information provided by Schwartz Technical Plastics GmbH. Schwartz was acquired by Röchling in 2018.

Key Words: POM
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 1.43 g/cc0.0517 lb/in³ISO R 1183
Moisture Absorption at Equilibrium 0.25 %0.25 %DIN 53473
Water Absorption at Saturation 0.60 %
@Temperature 20.0 °C
0.60 %
@Temperature 68.0 °F
ISO R 62
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 135 MPa19600 psiHc 30; ISO 2039; partially
Tensile Strength, Yield 68.0 MPa9860 psiISO-DIS 527
Creep Strength 13.0 MPa1890 psi1% elongation, 1000 h; DIN 53444
 22.0 MPa3190 psi2% elongation, 1000 h; DIN 53444
Tensile Modulus 3.50 GPa508 ksiDIN 53457
Flexural Strength 117 MPa17000 psiDIN 54352
Flexural Modulus 3.00 GPa435 ksiDIN 53457
Compressive Strength 50.0 MPa7250 psi5% pressing; EN ISO 604
 83.0 MPa12000 psi10% pressing; EN ISO 604
 103 MPa14900 psi20% pressing; EN ISO 604
Izod Impact, Notched (ISO) 9.00 kJ/m²4.28 ft-lb/in²DIN 53453
Izod Impact Resistance >= 9.00 J/cm²>= 42.8 ft-lb/in²swinging hammer 0,1 DIN 51222; DIN 53453
Coefficient of Friction 0.020 - 0.0800.020 - 0.080With lubrication
Coefficient of Friction, Dynamic 0.320.32no lube; Steel 2162, Rvst=2E-6m, p=0.05 Mpa, v=0.6 m/s, t=40°C
Tear Strength Test 0.600.60ISO-DIS 527
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cmDIN 53482
Surface Resistance 1.00e+13 ohm1.00e+13 ohmDIN 53482
Dielectric Constant 3.73.7DIN 53483
Dielectric Strength 70.0 kV/mm1780 kV/inDIN 53481
Dielectric Loss Index 0.00350.0035DIN 53483
 
Thermal PropertiesMetricEnglishComments
CTE, linear 100 µm/m-°C
@Temperature 20.0 - 100 °C
55.6 µin/in-°F
@Temperature 68.0 - 212 °F
DIN 53752
Specific Heat Capacity 1.46 J/g-°C0.349 BTU/lb-°F
Thermal Conductivity 0.270 W/m-K1.87 BTU-in/hr-ft²-°FDIN 52612
Melting Point 167 °C333 °FISO R 1218
Maximum Service Temperature, Air 100 °C212 °FContinuous
 140 °C284 °FIntermittent
Deflection Temperature at 0.46 MPa (66 psi) 160 °C320 °FV-notch; ISO R 75
Deflection Temperature at 1.8 MPa (264 psi) 115 °C239 °FV-notch; ISO R 75
Minimum Service Temperature, Air -40.0 °C-40.0 °FContinuous
 
Descriptive Properties
Creepage/leakage ResistanceKA3bDIN 53480
Friction Wear0.9 micron/km

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