BASF Ultraform® N 2320 003 AT BK120 POM

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BASF Ultraform® N 2320 003 AT BK120 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Ultraform N 2320 003 AT BK120 is a pigmented black, rapidly freezing general-purpose injection molding POM grade. It contains a mold release agent. Applications: Typical applications include spring elements, clips, gas filler caps, gears wheels, small motor parts, curtain hooks and release buttons for safety belts Information provided by BASF.
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Physical Properties	Original Value	Comments

Density	1.41 g/cc	ISO 1183
Moisture Absorption	0.250 %	50% RH; ISO 62
Water Absorption at Saturation	0.90 %	ISO 62
Linear Mold Shrinkage, Flow	0.021 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.021 cm/cm	ISO 294-4
Melt Flow	7.5 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	64.0 MPa	ISO 527
Elongation at Break	25 %	ISO 527
Elongation at Yield	10 %	ISO 527
Tensile Modulus	2700 MPa	ISO 527
Izod Impact, Notched (ISO)	5.50 kJ/m² @Temperature -40.0 °C	ISO 180
	6.00 kJ/m² @Temperature 23.0 °C	ISO 180
Charpy Impact Unnotched	190 kJ/m² @Temperature -30.0 °C	ISO 179
	200 kJ/m² @Temperature 23.0 °C	ISO 179
Charpy Impact, Notched	6.00 kJ/m² @Temperature -30.0 °C	ISO 179
	6.50 kJ/m² @Temperature 23.0 °C	ISO 179
Tensile Creep Modulus, 1000 hours	1400 MPa	ISO 899

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	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C
Melting Point	166 °C	ISO 3146
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C	ISO 75
UL RTI, Electrical	105 °C @Thickness 0.750 mm	UL746B
	105 °C @Thickness 1.50 mm	UL746B
	105 °C @Thickness 3.00 mm	UL746B
UL RTI, Mechanical with Impact	90.0 °C @Thickness 1.50 mm	UL746B
	90.0 °C @Thickness 3.00 mm	UL746B
UL RTI, Mechanical without Impact	90.0 °C @Thickness 1.50 mm	UL746B
	105 °C @Thickness 3.00 mm	UL746B
Flammability, UL94	HB @Thickness 0.750 mm
	HB @Thickness 1.50 mm
	HB @Thickness 3.00 mm

Processing Properties	Original Value	Comments
Melt Temperature	190 - 230 °C
Mold Temperature	45.0 - 105 °C	can be used where applicable
	80.0 - 90.0 °C	recommended
	60.0 - 120 °C
Drying Temperature	80.0 - 110 °C @Time 7200 - 14400 sec
Moisture Content	<= 0.15 %
Injection Pressure	500 - 1000 psi

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PBASF8922 / 254880

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