Celanese Hostaform® S 27242 XAP2 ™ POM, Impact Modified

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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 Properties	Metric	English	Comments

Density	1.35 g/cc	0.0488 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	50.0 MPa	7250 psi	50mm/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 GPa	319 ksi	1mm/min; ISO 527-2/1A
Charpy Impact Unnotched	13.0 J/cm²	61.9 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.700 J/cm²	3.33 ft-lb/in²	ISO 179/1eA
	0.600 J/cm² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA

Processing Properties	Metric	English	Comments
Processing Temperature	20.0 - 30.0 °C	68.0 - 86.0 °F	hopper
	60.0 - 80.0 °C	140 - 176 °F	cavity
Feed Temperature	60.0 - 80.0 °C	140 - 176 °F
Zone 1	170 - 180 °C	338 - 356 °F
Zone 2	180 - 190 °C	356 - 374 °F
Zone 3	190 - 200 °C	374 - 392 °F
Zone 4	190 - 200 °C	374 - 392 °F
Die Temperature	190 - 200 °C	374 - 392 °F
Melt Temperature	190 - 200 °C	374 - 392 °F
Drying Temperature	100 - 120 °C	212 - 248 °F
Dry Time	3 - 4 hour	3 - 4 hour
Moisture Content	0.15 %	0.15 %	Necessary low maximum
Injection Pressure	60.0 - 120 MPa	8700 - 17400 psi
Hold Pressure	60.0 - 120 MPa	8700 - 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 °C	374 - 392 °F

Descriptive Properties
Injection speed	slow-medium
Melt volume rate (MVR), cm³/10min	16
MVR test load, kg	2.16
MVR test temperature, °C	190
Processing conditions acc. ISO	9988-2

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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PHCS396 / 123811

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