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Rulon Bearings

Celanese Celcon® MC90-HM POM, Mineral Reinforced
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Mineral Filled
Material Notes: Celcon« MC90-HM is a highly mineral filled and coupled M90 material for producing very flat and dimensionally stable parts (normal flow).

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.60 g/cc1.60 g/ccASTM D792
Density 1.57 g/cc0.0567 lb/in³ISO 1183
Moisture Absorption 0.200 %0.200 %23°C/50%RH; ISO 62
Water Absorption at Saturation 0.75 %0.75 %ISO 62
Linear Mold Shrinkage, Flow 0.015 cm/cm0.015 in/inISO 294-4
 0.015 cm/cm0.015 in/inASTM D955
Linear Mold Shrinkage, Transverse 0.012 cm/cm0.012 in/inASTM D955
 0.013 cm/cm0.013 in/inISO 294-4
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 44.1 MPa6400 psiASTM D638
 45.0 MPa6530 psi50mm/min; ISO 527-2/1A
Elongation at Yield 6.0 %6.0 %50mm/min; ISO 527-2/1A
Tensile Modulus 3.55 GPa515 ksi50mm/min; ISO 527-2/1A
Flexural Strength 72.0 MPa10400 psiISO 178
Flexural Modulus 3.45 GPa500 ksiASTM D790
 3.50 GPa508 ksiISO 178
Izod Impact, Notched 0.641 J/cm1.20 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 6.10 kJ/m²2.90 ft-lb/in²ISO 180/1A
Charpy Impact, Notched 0.630 J/cm²3.00 ft-lb/in²ISO 179/1eA
 0.490 J/cm²
@Temperature -30.0 °C		2.33 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 60.0 µm/m-°C33.3 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 90.0 µm/m-°C50.0 µin/in-°FISO 11359-2
Melting Point 165 °C329 °F10°C/min; ISO 11357-1,-2,-3
 165 °C329 °FASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 97.2 °C207 °FASTM D648
 103 °C217 °FISO 75-1, -2
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 - 120 °C176 - 248 °Fcavity
 190 - 200 °C374 - 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
PelletsYes
Processing conditions acc. ISO9988-2
Profile extrusionNo

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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