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Rulon Bearings

Celanese Celcon® M90AW POM, Tribological
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)

Material Notes: Celcon« M90AW is a low wear grade designed for gears and other low wear applications, especially where reducing noise and wear in low load-high velocity applications. Celcon« M90AW is an option where silicone or PTFE based wear resistant products are not acceptable.

Information provided by Celanese

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Physical PropertiesMetricEnglishComments
Density 1.36 g/cc0.0491 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.019 cm/cm0.019 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.014 cm/cm0.014 in/inISO 294-4
Melt Flow 8.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C
8.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F
[cm3/10min]; ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 55.0 MPa7980 psi50mm/min; ISO 527-2/1A
Elongation at Yield 9.0 %9.0 %50mm/min; ISO 527-2/1A
Tensile Modulus 2.43 GPa352 ksi50mm/min; ISO 527-2/1A
Flexural Modulus 2.40 GPa348 ksiISO 178
Izod Impact, Notched (ISO) 5.20 kJ/m²2.47 ft-lb/in²ISO 180/1A
Charpy Impact Unnotched 9.00 J/cm²42.8 ft-lb/in²ISO 179/1eU
 9.10 J/cm²
@Temperature -30.0 °C
43.3 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.500 J/cm²2.38 ft-lb/in²ISO 179/1eA
 0.470 J/cm²
@Temperature -30.0 °C
2.24 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 110 µm/m-°C61.1 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 110 µm/m-°C61.1 µin/in-°FISO 11359-2
Melting Point 167 °C333 °F10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi) 86.0 °C187 °FISO 75-1, -2
 86.1 °C187 °FASTM D648
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 - 120 °C176 - 248 °Fcavity
 180 - 200 °C356 - 392 °Fhot runner
Zone 1 170 - 180 °C338 - 356 °F
Zone 2 180 - 190 °C356 - 374 °F
Zone 3 180 - 190 °C356 - 374 °F
Zone 4 190 - 200 °C374 - 392 °F
Die Temperature 190 - 200 °C374 - 392 °F
Melt Temperature 180 - 200 °C356 - 392 °F
Drying Temperature 80.0 - 100 °C176 - 212 °F
Dry Time 3.00 hour3.00 hour
Injection Pressure 60.0 - 120 MPa8700 - 17400 psi
Hold Pressure 60.0 - 120 MPa8700 - 17400 psi
Back Pressure <= 4.00 MPa<= 580 psi
 
Descriptive Properties
Injection moldingYes
Injection speedslow-medium
PelletsYes
Processing conditions acc. ISO9988-2

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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