BASF Ultraform® N2640 E2 POM

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BASF Ultraform® N2640 E2 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Description: Is a POM + MBS, elastomer-modified injection-molding grade with enhanced toughness and high weld line strength. Information provided by BASF
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Physical Properties	Original Value	Comments

Density	1.34 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.20 %	23°C; 50% RH; ISO 62
Water Absorption at Saturation	0.90 %	ISO 62
Linear Mold Shrinkage, Flow	0.019 cm/cm	ISO 2577
Linear Mold Shrinkage, Transverse	0.019 cm/cm	ISO 2577
Melt Flow	6.8 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	105 MPa @Load 36.5 kg, Time 30.0 sec	ISO 2039-1
Tensile Strength, Yield	50.0 MPa	50 mm/min; ISO 527-2
Elongation at Break	50 %	Nominal, 50 mm/min; ISO 527-2
Elongation at Yield	7.8 %	50 mm/min; ISO 527-2
Modulus of Elasticity	2.20 GPa	ISO 527-2
Charpy Impact, Notched	6.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	9.00 kJ/m² @Temperature 23.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+12 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.5 @Frequency 1e+6 Hz	IEC 60250
	3.6 @Frequency 100 Hz	IEC 60250
Dielectric Strength	42.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0030 @Frequency 100 Hz	IEC 60250
	0.0080 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	Test solution A; IEC 60112
	600 V	Test solution B; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	130 µm/m-°C @Temperature 23.0 - 55.0 °C	DIN 53752
Melting Point	166 °C	DIN 53765
Maximum Service Temperature, Air	100 °C
Deflection Temperature at 1.8 MPa (264 psi)	80.0 °C	ISO 75-2
Vicat Softening Point	140 °C	ISO 306
Decomposition Temperature	>= 240 °C
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 - 220 °C	Injection-molding
Mold Temperature	60.0 - 80.0 °C	Injection-molding
	80.0 °C	Optimal
Drying Temperature	100 °C
Dry Time	3 hour

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

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PBASG0155 / 131788

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