Celanese Hostaform® C 27021 XAP2® LS POM, UV Resistant

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Celanese Hostaform® C 27021 XAP2® LS POM, UV Resistant
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Description: Easy flow injection molding grade with reduced emissions especially for automotive interior applications. With improved UV resistance. Burning rate according to FMVSS 302 < 100 mm/min (1 mm thickness) Emissions according to VDA 275 < 5 mg/kg Information provided by Celanese Corporation.
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	ISO 1183
Water Absorption	0.65 %	0.65 %	ISO 62
Melt Flow	24 g/10 min @Load 2.16 kg, Temperature 190 °C	24 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	64.0 MPa	9280 psi	50 mm/min; ISO 527-2/1A
Elongation at Break	17 %	17 %	50 mm/min; ISO 527-2/1A
Elongation at Yield	7.5 %	7.5 %	50 mm/min; ISO 527-2/1A
Tensile Modulus	2.75 GPa	399 ksi	ISO 527-2/1A
Flexural Modulus	2.60 GPa	377 ksi	ISO 178
Charpy Impact Unnotched	12.0 J/cm² @Temperature 23.0 °C	57.1 ft-lb/in² @Temperature 73.4 °F	ISO 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	0.550 J/cm² @Temperature 23.0 °C	2.62 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA
	0.550 J/cm² @Temperature -30.0 °C	2.62 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
Tensile Creep Modulus, 1 hour	2400 MPa	348000 psi	ISO 899-1
Tensile Creep Modulus, 1000 hours	1200 MPa	174000 psi	ISO 899-1

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+12 ohm-cm	1.00e+12 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093
Dielectric Constant	4.0 @Frequency 100 Hz	4.0 @Frequency 100 Hz	IEC 60250
	4.0 @Frequency 1e+6 Hz	4.0 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	35.0 kV/mm	889 kV/in	IEC 60243-1
Dissipation Factor	0.0020 @Frequency 100 Hz	0.0020 @Frequency 100 Hz	IEC 60250
	0.0050 @Frequency 1e+6 Hz	0.0050 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	1.10 µm/m-°C	0.611 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	1.10 µm/m-°C	0.611 µin/in-°F	ISO 11359-2
Melting Point	164 °C	327 °F	10°C/min; ISO 11357-1,-2,-3

Processing Properties	Metric	English	Comments
Feed Temperature	60.0 - 80.0 °C	140 - 176 °F
Nozzle Temperature	190 - 200 °C	374 - 392 °F
Zone 1	170 - 175 °C	338 - 347 °F
Zone 2	180 - 185 °C	356 - 365 °F
Zone 3	180 - 195 °C	356 - 383 °F
Zone 4	180 - 200 °C	356 - 392 °F
Melt Temperature	180 - 200 °C	356 - 392 °F
Mold Temperature	80.0 - 120 °C	176 - 248 °F
Drying Temperature	120 - 140 °C	248 - 284 °F
Dry Time	3 - 4 hour	3 - 4 hour
Moisture Content	<= 0.15 %	<= 0.15 %
Injection Pressure	60.0 - 120 MPa	8700 - 17400 psi
Hold Pressure	60.0 - 120 MPa	8700 - 17400 psi
Back Pressure	0.000 - 4.00 MPa	0.000 - 580 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

Descriptive Properties
Hopper	20-30°C
Manifold	190-200°C

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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