BASF Ultraform® N2640 E4 POM

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BASF Ultraform® N2640 E4 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Description: Is a POM + MBS, elastomer-modified injection-molding grade with high toughness and high weld line strength. Information provided by BASF
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Physical Properties	Metric	English	Comments

Density	1.30 g/cc	0.0470 lb/in³	ISO 1183
Moisture Absorption at Equilibrium	0.20 %	0.20 %	23°C; 50% RH; ISO 62
Water Absorption at Saturation	0.90 %	0.90 %	ISO 62
Linear Mold Shrinkage, Flow	0.018 cm/cm	0.018 in/in	ISO 2577
Linear Mold Shrinkage, Transverse	0.018 cm/cm	0.018 in/in	ISO 2577
Melt Flow	3.9 g/10 min @Load 2.16 kg, Temperature 190 °C	3.9 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Ball Indentation Hardness	88.0 MPa @Load 36.5 kg, Time 30.0 sec	12800 psi @Load 80.5 lb, Time 0.00833 hour	ISO 2039-1
Tensile Strength, Yield	40.0 MPa	5800 psi	50 mm/min; ISO 527-2
Elongation at Break	>= 50 %	>= 50 %	Nominal, 50 mm/min; ISO 527-2
Elongation at Yield	7.3 %	7.3 %	50 mm/min; ISO 527-2
Modulus of Elasticity	1.70 GPa	247 ksi	ISO 527-2
Charpy Impact Unnotched	24.0 J/cm² @Temperature -30.0 °C	114 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.850 J/cm² @Temperature -30.0 °C	4.04 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	1.50 J/cm² @Temperature 23.0 °C	7.14 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+12 ohm-cm	1.00e+12 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.4 @Frequency 1e+6 Hz	3.4 @Frequency 1e+6 Hz	IEC 60250
	3.5 @Frequency 100 Hz	3.5 @Frequency 100 Hz	IEC 60250
Dielectric Strength	37.0 kV/mm	940 kV/in	IEC 60243-1
Dissipation Factor	0.0030 @Frequency 100 Hz	0.0030 @Frequency 100 Hz	IEC 60250
	0.0080 @Frequency 1e+6 Hz	0.0080 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	Test solution A; IEC 60112
	600 V	600 V	Test solution B; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	140 µm/m-°C @Temperature 23.0 - 55.0 °C	77.8 µin/in-°F @Temperature 73.4 - 131 °F	DIN 53752
Melting Point	166 °C	331 °F	DIN 53765
Maximum Service Temperature, Air	100 °C	212 °F
Deflection Temperature at 1.8 MPa (264 psi)	75.0 °C	167 °F	ISO 75-2
Vicat Softening Point	125 °C	257 °F	ISO 306
Decomposition Temperature	>= 240 °C	>= 464 °F
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 - 220 °C	374 - 428 °F	Injection-molding
Mold Temperature	60.0 - 80.0 °C	140 - 176 °F	Injection-molding
	80.0 °C	176 °F	Optimal

Descriptive Properties
Commercial Status	Europe
Peripheral Screw Speed	<0.3 m/s
Primary Processing Technique	Injection Molding

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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PBASG0156 / 131789

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