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Rulon Bearings

Celanese Celcon® AS270 Acetal Copolymer
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced

Material Notes: An M270 based material formulated to reduce static build-up on molded parts.

Information provided by Celanese Corporation.

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Physical PropertiesMetricEnglishComments
Density 1.41 g/cc0.0509 lb/in³ASTM D792
Water Absorption 0.22 %0.22 %ASTM D570
Moisture Absorption at Equilibrium 0.80 %0.80 %ASTM D570
Linear Mold Shrinkage 0.022 cm/cm0.022 in/in
Linear Mold Shrinkage, Transverse 0.018 cm/cm0.018 in/in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 8585ASTM D785
Tensile Strength, Yield 61.0 MPa8850 psiASTM D638
Elongation at Break 40 %40 %ASTM D638
Flexural Strength 90.0 MPa13100 psiASTM D790
Flexural Modulus 2.60 GPa377 ksiASTM D790
Compressive Strength 110 MPa16000 psi10% Deflection; ASTM D695
Shear Strength 53.0 MPa7690 psiASTM D732
Izod Impact, Notched 0.500 J/cm0.937 ft-lb/inASTM D256
 0.400 J/cm
@Temperature -29.0 °C
0.749 ft-lb/in
@Temperature -20.2 °F
ASTM D256
Tensile Impact Strength 130 kJ/m²61.9 ft-lb/in²ASTM D1822
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 158 °C316 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 110 °C230 °FASTM D648
Flammability, UL94 HBHB

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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