BASF Ultraform® N 2640 Z6 AT POM, Impact Modified

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BASF Ultraform® N 2640 Z6 AT POM, Impact Modified
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Impact Modified
Material Notes:	Product Description: Ultraform® N 2640 Z6 AT is an elastomer-modified injection molding POM grade with excellent impact strength and low stiffness. Typical applications include toys components such as bicycle frames, automotive parts such as cladding elements and windshield wiper units, and clips, snap and fastening elements, and other components subject to impact stress. Availability: North America Additive: Impact Modifier Features: High Impact Resistance; Impact Modified; Low Stiffness Use: Automotive Applications; Toys Agency Ratings: EC 1907/2006 (REACH) RoSH Compliance: RoSH Compliant Processing Method: Injection Molding Information provided by BASF Corporation
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Physical Properties	Metric	English	Comments

Density	1.33 g/cc	0.0480 lb/in³	ISO 1183
Water Absorption	0.30 %	0.30 %	Equilibrium, 50% RH; ISO 62
Water Absorption at Saturation	1.1 %	1.1 %	ISO 62
Maximum Moisture Content	0.15	0.15
Linear Mold Shrinkage, Flow	0.015 cm/cm	0.015 in/in	ISO 294-4
Linear Mold Shrinkage, Transverse	0.015 cm/cm	0.015 in/in	ISO 294-4
Melt Flow	4.5 g/10 min @Load 2.16 kg, Temperature 190 °C	4.5 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	37.0 MPa	5370 psi	ISO 527-2
Elongation at Break	>= 50 %	>= 50 %	Nominal; ISO 527-2
Elongation at Yield	32 %	32 %	ISO 527-2
Tensile Modulus	1.40 GPa	203 ksi	ISO 527-1
Charpy Impact Unnotched	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179
	NB @Temperature 22.8 °C	NB @Temperature 73.0 °F	ISO 179
Charpy Impact, Notched	0.903 J/cm² @Temperature 22.8 °C	4.30 ft-lb/in² @Temperature 73.0 °F	ISO 179
	1.81 J/cm² @Temperature -30.0 °C	8.60 ft-lb/in² @Temperature -22.0 °F	ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+11 ohm-cm	1.00e+11 ohm-cm	IEC 60093
Surface Resistance	1.00e+12 ohm	1.00e+12 ohm	IEC 60093
Dielectric Constant	4.3 @Frequency 1e+6 Hz	4.3 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	86.6 kV/mm	2200 kV/in	IEC 60243-1
Dissipation Factor	0.025 @Frequency 1e+6 Hz	0.025 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	Solution A; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	140 µm/m-°C	78.0 µin/in-°F	ISO 11359-2
Melting Point	165 °C	329 °F	ISO 3146
Deflection Temperature at 1.8 MPa (264 psi)	70.0 °C	158 °F	Unannealed; ISO 75-2/A

Processing Properties	Metric	English	Comments
Melt Temperature	190 - 215 °C	374 - 419 °F
Mold Temperature	60.0 - 80.0 °C	140 - 176 °F
Drying Temperature	80.0 - 110 °C	176 - 230 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Injection Pressure	3.50 - 17.0 MPa	508 - 2470 psi

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PBASG2133 / 310826

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