BASF Ultradur® B 4520 High Speed PBT

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BASF Ultradur® B 4520 High Speed PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Description: Very easy flowing unreinforced injection molding grade with enhanced elongation for thin-walled parts (e.g. automotive connectors, switches, relay parts) Information provided by BASF
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Physical Properties	Metric	English	Comments

Bulk Density	0.600 - 0.900 g/cc	0.0217 - 0.0325 lb/in³
Density	1.30 g/cc	0.0470 lb/in³	ISO 1183
Viscosity Test	115 cm³/g	1.15 dl/g	ISO 307
Linear Mold Shrinkage, Flow	0.018 cm/cm	0.018 in/in	ISO 2577
Linear Mold Shrinkage, Transverse	0.019 cm/cm	0.019 in/in	ISO 2577
Melt Flow	65 g/10 min @Load 2.16 kg, Temperature 250 °C	65 g/10 min @Load 4.76 lb, Temperature 482 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	53.0 MPa	7690 psi	50 mm/min; ISO 527-1/-2
Elongation at Yield	8.0 %	8.0 %	50 mm/min; ISO 527-1/-2
	>= 50 %	>= 50 %	Nominal Strain, 50 mm/min; ISO 527-1/-2
Tensile Modulus	2.20 GPa	319 ksi	ISO 527-1/-2
Flexural Strength	75.0 MPa	10900 psi	ISO 178
Charpy Impact Unnotched	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.400 J/cm² @Temperature 23.0 °C	1.90 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	223 °C	433 °F	ISO 11357-1/-2
Deflection Temperature at 0.46 MPa (66 psi)	140 °C	284 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	55.0 °C	131 °F	ISO 75-1/-2
Ignition Temperature	350 °C	662 °F	ASTM D1929

Processing Properties	Metric	English	Comments
Processing Temperature	80.0 °C	176 °F	Hopper Throat
Zone 1	260 °C	500 °F	Feeding zone
Zone 2	260 °C	500 °F	Compression
Zone 3	260 °C	500 °F	Metering-zone
Zone 4	260 °C	500 °F	Nozzle
Melt Temperature	260 °C	500 °F	Optimal
	250 - 275 °C	482 - 527 °F	Injection molding/Extrusion
Mold Temperature	40.0 - 70.0 °C	104 - 158 °F	Injection molding
	60.0 °C	140 °F	Optimal
Drying Temperature	80.0 - 120 °C	176 - 248 °F
Dry Time	4 hour	4 hour

Descriptive Properties
Commercial Status	Europe
Peripheral Screw Speed	< 0.25 m/s

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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PBASG0129 / 131762

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