BASF Ultraform® S 1320 0021 AT POM

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BASF Ultraform® S 1320 0021 AT POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Product Description: Ultraform® S 1320 0021 AT is an easy flowing, rapidly freezing injection molding POM grade with enhanced stiffness and heat distortion resistance. It is highly stabilized to resist aggressive fuels, including hot diesel fuel. Typical applications include fuel tank components requiring resistance to hot diesel fuel. Typical applications include fuel tank components requiring resistance to hot diesel fuel. Availability: North America Features: Fuel Resistant; Good Flow; Good Heat Resistance; Good Stiffness Use: Fuel Tanks 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	Original Value	Comments

Density	1.41 g/cc	ISO 1183
Water Absorption	0.25 %	Equilibrium, 50% RH; ISO 62
Water Absorption at Saturation	0.90 %	ISO 62
Maximum Moisture Content	0.15
Linear Mold Shrinkage, Flow	0.021 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.021 cm/cm	ISO 294-4
Melt Flow	11 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	9720 psi	ISO 527-2
Elongation at Break	25 %	Nominal; ISO 527-2
Elongation at Yield	10 %	ISO 527-2
Tensile Modulus	435000 psi	ISO 527-1
Izod Impact, Notched (ISO)	2.60 ft-lb/in²	ISO 180
Charpy Impact Unnotched	110 ft-lb/in² @Temperature -30.0 °C	ISO 179
	130 ft-lb/in² @Temperature 22.8 °C	ISO 179
Charpy Impact, Notched	2.90 ft-lb/in² @Temperature -30.0 °C	ISO 179
	2.90 ft-lb/in² @Temperature 22.8 °C	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+12 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	2200 V/mil	IEC 60243-1
Dissipation Factor	0.0050 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	61.0 µin/in-°F	ISO 11359-2
Melting Point	338 °F	ISO 3146
Deflection Temperature at 1.8 MPa (264 psi)	212 °F	Unannealed; ISO 75-2/A

Processing Properties	Original Value	Comments
Melt Temperature	374 - 446 °F
Mold Temperature	140 - 248 °F
Drying Temperature	176 - 230 °F
Dry Time	2.00 - 4.00 hour
Injection Pressure	508 - 1020 psi

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PBASG2128 / 310821

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