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Rulon Bearings

Celanese Hostaform® S 27242 XAP2 ™ POM, Impact Modified
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Impact Modified
Material Notes: Easy flow, impact modified injection molding grade, with good low temperature impact strength and good weld line strength and reduced emissions. Emission according to VDA 275 < 5 mg/kg

Information provided by Celanese Corporation.
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Physical PropertiesMetricEnglishComments
Density 1.35 g/cc0.0488 lb/in³ISO 1183
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 50.0 MPa7250 psi50mm/min; ISO 527-2/1A
Elongation at Break 40 %40 %50mm/min; ISO 527-2/1A
Elongation at Yield 8.5 %8.5 %50mm/min; ISO 527-2/1A
Tensile Modulus 2.20 GPa319 ksi1mm/min; ISO 527-2/1A
Charpy Impact Unnotched 13.0 J/cm²61.9 ft-lb/in²ISO 179/1eU
Charpy Impact, Notched 0.700 J/cm²3.33 ft-lb/in²ISO 179/1eA
 0.600 J/cm²
@Temperature -30.0 °C		2.86 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 30.0 °C68.0 - 86.0 °Fhopper
 60.0 - 80.0 °C140 - 176 °Fcavity
Feed Temperature 60.0 - 80.0 °C140 - 176 °F
Zone 1 170 - 180 °C338 - 356 °F
Zone 2 180 - 190 °C356 - 374 °F
Zone 3 190 - 200 °C374 - 392 °F
Zone 4 190 - 200 °C374 - 392 °F
Die Temperature 190 - 200 °C374 - 392 °F
Melt Temperature 190 - 200 °C374 - 392 °F
Drying Temperature 100 - 120 °C212 - 248 °F
Dry Time 3 - 4 hour3 - 4 hour
Moisture Content 0.15 %0.15 %Necessary low maximum
Injection Pressure 60.0 - 120 MPa8700 - 17400 psi
Hold Pressure 60.0 - 120 MPa8700 - 17400 psi
Back Pressure <= 2.00 MPa<= 290 psi
Screw Speed  70 rpm
@Diameter 55.0 mm		70 rpm
@Diameter 2.17 in
 100 rpm
@Diameter 40.0 mm		100 rpm
@Diameter 1.57 in
 150 rpm
@Diameter 25.0 mm		150 rpm
@Diameter 0.984 in
Hot-Working Temperature 190 - 200 °C374 - 392 °F
 
Descriptive Properties
Injection speedslow-medium
Melt volume rate (MVR), cm³/10min16
MVR test load, kg2.16
MVR test temperature, °C190
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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