BASF Ultraform® S 1320 0021 UNC POM

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BASF Ultraform® S 1320 0021 UNC POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Ultraform S1320 0021 UNC 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.
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Physical Properties	Original Value	Comments

Density	1.41 g/cc	ISO 1183
Water Absorption	0.80 %	ISO 62
Moisture Absorption at Equilibrium	0.20 %	23°C/50% R.H.; ISO 62
Melt Flow	12.9 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	155 MPa	ISO 2039
Tensile Strength	65.0 kg(f)/cm² @Time 2.59e+6 sec	Storage in biodiesel DIN 14214 at +140°C
	65.0 kg(f)/cm² @Time 1.04e+7 sec	Storage in biodiesel DIN 14214 at +140°C
	65.0 kg(f)/cm² @Time 1.81e+7 sec	Storage in biodiesel DIN 14214 at +140°C
Tensile Strength, Yield	66.0 MPa	50mm/min; ISO 527
Elongation at Break	30 %	ISO 527
Elongation at Yield	9.0 %	ISO 527
Modulus of Elasticity	3.00 GPa	ISO 527
Izod Impact, Notched (ISO)	5.50 kJ/m²	ISO 2039
Charpy Impact Unnotched	17.0 J/cm²	ISO 179
	17.0 J/cm² @Temperature -30.0 °C	ISO 179
Charpy Impact, Notched	0.550 J/cm²	ISO 179
	0.550 J/cm² @Temperature -30.0 °C	ISO 179
Tensile Creep Modulus, 1000 hours	1450 MPa	ISO 899

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 100 Hz	IEC 60250
	3.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	40.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0020 @Frequency 100 Hz	IEC 60250
	0.0050 @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
Melting Point	171 °C	DIN 53765
Maximum Service Temperature, Air	100 °C
Deflection Temperature at 1.8 MPa (264 psi)	100 °C	ISO 75
Vicat Softening Point	150 °C	(50 °C/h / 50N) - B/50; ISO 306

Processing Properties	Original Value	Comments
Melt Temperature	190 - 230 °C
Mold Temperature	60.0 - 120 °C

Descriptive Properties
Color	Natural
Commercial Status	North America and Europe
Impact Modified	No
Primary Processing Technique	Injection Molding

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