BASF Ultraform® W2320 U03 POM

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BASF Ultraform® W2320 U03 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Description: Very free-flowing, rapidly solidifying grade with UV stabilization for use where processing is extremely difficult but mechanical requirements are lower. Information provided by BASF
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Physical Properties	Metric	English	Comments

Bulk Density	0.850 g/cc	0.0307 lb/in³
Density	1.40 g/cc	0.0506 lb/in³	ISO 1183
Water Absorption	0.80 %	0.80 %	ISO 62
Moisture Absorption at Equilibrium	0.20 %	0.20 %	ISO 62
Linear Mold Shrinkage, Flow	0.020 cm/cm	0.020 in/in	ISO 2577
Linear Mold Shrinkage, Transverse	0.021 cm/cm	0.021 in/in	ISO 2577
Melt Flow	32.2 g/10 min @Load 2.16 kg, Temperature 190 °C	32.2 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Ball Indentation Hardness	145 MPa @Load 36.5 kg, Time 30.0 sec	21000 psi @Load 80.5 lb, Time 0.00833 hour	ISO 2039-1
Tensile Strength, Yield	64.0 MPa	9280 psi	50 mm/min; ISO 527-1/-2
Elongation at Break	24 %	24 %	50 mm/min, Nominal; ISO 527-1/-2
Elongation at Yield	7.5 %	7.5 %	50 mm/min; ISO 527-1/-2
Tensile Modulus	2.75 GPa	399 ksi	ISO 527-1/-2
Charpy Impact Unnotched	15.0 J/cm² @Temperature -30.0 °C	71.4 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
	16.0 J/cm² @Temperature 23.0 °C	76.1 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.450 J/cm² @Temperature -30.0 °C	2.14 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	0.450 J/cm² @Temperature 23.0 °C	2.14 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA
Tensile Creep Modulus, 1000 hours	1350 MPa @Strain <=0.5 %	196000 psi @Strain <=0.5 %	ISO 899-1

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+13 ohm-cm	1.00e+13 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	1.00e+13 ohm	IEC 60093
Dielectric Constant	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.0050 @Frequency 1e+6 Hz	0.0050 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	Test Solution A; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C @Temperature 23.0 - 55.0 °C	61.1 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
Melting Point	167 °C	333 °F	ISO 11357-1/-3
Maximum Service Temperature, Air	100 °C	212 °F
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C	203 °F	ISO 75-1/-2
Decomposition Temperature	>= 240 °C	>= 464 °F
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in
Ignition Temperature	320 - 340 °C	608 - 644 °F	ASTM D1929

Processing Properties	Metric	English	Comments
Processing Temperature	200 °C	392 °F	Hopper Throat
Zone 1	200 °C	392 °F	Feed zone
Zone 2	200 °C	392 °F	Compression
Zone 3	200 °C	392 °F	Metering-zone
Zone 4	200 °C	392 °F	Nozzle
Melt Temperature	200 °C	392 °F	Optimal
	190 - 230 °C	374 - 446 °F	Injection molding
Mold Temperature	60.0 - 120 °C	140 - 248 °F	Injection molding
	90.0 °C	194 °F	Optimal
Drying Temperature	100 °C	212 °F
Dry Time	3 hour	3 hour

Descriptive Properties
Peripheral Screw Speed	<0.3 m/s

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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PBASG0168 / 131801

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