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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	145 MPa @Load 36.5 kg, Time 30.0 sec	ISO 2039-1
Tensile Strength, Yield	64.0 MPa	50 mm/min; ISO 527-1/-2
Elongation at Break	24 %	50 mm/min, Nominal; ISO 527-1/-2
Elongation at Yield	7.5 %	50 mm/min; ISO 527-1/-2
Tensile Modulus	2750 MPa	ISO 527-1/-2
Charpy Impact Unnotched	150 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
	160 kJ/m² @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	4.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	4.50 kJ/m² @Temperature 23.0 °C	ISO 179/1eA
Tensile Creep Modulus, 1000 hours	1350 MPa @Strain <=0.5 %	ISO 899-1

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

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1/-2
Melting Point	167 °C	ISO 11357-1/-3
Maximum Service Temperature, Air	100 °C
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C	ISO 75-1/-2
Decomposition Temperature	>= 240 °C
Flammability, UL94	HB @Thickness 1.60 mm
Ignition Temperature	320 - 340 °C	ASTM D1929

Processing Properties	Original Value	Comments
Processing Temperature	200 °C	Hopper Throat
Zone 1	200 °C	Feed zone
Zone 2	200 °C	Compression
Zone 3	200 °C	Metering-zone
Zone 4	200 °C	Nozzle
Melt Temperature	200 °C	Optimal
	190 - 230 °C	Injection molding
Mold Temperature	60.0 - 120 °C	Injection molding
	90.0 °C	Optimal
Drying Temperature	100 °C
Dry Time	3 hour

Descriptive Properties
Peripheral Screw Speed	<0.3 m/s

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PBASG0168 / 131801

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