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	Original Value	Comments

Bulk Density	0.600 - 0.900 g/cc
Density	1.30 g/cc	ISO 1183
Viscosity Test	115 cm³/g	ISO 307
Linear Mold Shrinkage, Flow	0.018 cm/cm	ISO 2577
Linear Mold Shrinkage, Transverse	0.019 cm/cm	ISO 2577
Melt Flow	65 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	53.0 MPa	50 mm/min; ISO 527-1/-2
Elongation at Yield	8.0 %	50 mm/min; ISO 527-1/-2
	>= 50 %	Nominal Strain, 50 mm/min; ISO 527-1/-2
Tensile Modulus	2200 MPa	ISO 527-1/-2
Flexural Strength	75.0 MPa	ISO 178
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	4.00 kJ/m² @Temperature 23.0 °C	ISO 179/1eA

Thermal Properties	Original Value	Comments
Melting Point	223 °C	ISO 11357-1/-2
Deflection Temperature at 0.46 MPa (66 psi)	140 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	55.0 °C	ISO 75-1/-2
Ignition Temperature	350 °C	ASTM D1929

Processing Properties	Original Value	Comments
Processing Temperature	80.0 °C	Hopper Throat
Zone 1	260 °C	Feeding zone
Zone 2	260 °C	Compression
Zone 3	260 °C	Metering-zone
Zone 4	260 °C	Nozzle
Melt Temperature	260 °C	Optimal
	250 - 275 °C	Injection molding/Extrusion
Mold Temperature	40.0 - 70.0 °C	Injection molding
	60.0 °C	Optimal
Drying Temperature	80.0 - 120 °C
Dry Time	4 hour

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

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PBASG0129 / 131762

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