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Rulon Bearings

Celanese Hostaform® C 27021 AS POM, Specialty
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)

Material Notes: POM copolymer

Information provided by Celanese

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Physical PropertiesMetricEnglishComments
Density 1.41 g/cc0.0509 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.019 cm/cm0.019 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.018 cm/cm0.018 in/inISO 294-4
Melt Flow 25 g/10 min
@Load 2.16 kg,
Temperature 190 °C
25 g/10 min
@Load 4.76 lb,
Temperature 374 °F
[cm3/10min]; ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 62.0 MPa8990 psi50mm/min; ISO 527-2/1A
Elongation at Break 20 %20 %
Elongation at Yield 8.0 %8.0 %50mm/min; ISO 527-2/1A
Tensile Modulus 2.65 GPa384 ksi50mm/min; ISO 527-2/1A
Charpy Impact Unnotched 12.0 J/cm²57.1 ft-lb/in²ISO 179/1eU
 12.0 J/cm²
@Temperature -30.0 °C
57.1 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.500 J/cm²2.38 ft-lb/in²ISO 179/1eA
 0.450 J/cm²
@Temperature -30.0 °C
2.14 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Surface Resistance 1.00e+12 ohm1.00e+12 ohmIEC 60093
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 110 µm/m-°C61.1 µin/in-°FISO 11359-2
Melting Point 166 °C331 °F10°C/min; ISO 11357-1,-2,-3
 
Descriptive Properties
Injection moldingYes
Processing conditions acc. ISO9988

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PHCQ328 / 178783

Aluminum Castings

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