BASF Ultradur® B 6550 LN FC PBT

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BASF Ultradur® B 6550 LN FC PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes:	Ultradur B 6550 LN FC is a high viscosity PBT extrusion grade approved for food contact. Applications: Typical applications include semi-finished products, profile and hollow rods. Information provided by BASF.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc	ISO 1183
Moisture Absorption	0.250 %	50% RH; ISO 62
Water Absorption at Saturation	0.40 %	ISO 62
Viscosity Test	160 cm³/g	ISO 1628
Linear Mold Shrinkage, Flow	0.019 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.022 cm/cm	ISO 294-4
Melt Flow	9.5 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	56.0 MPa	ISO 527
Elongation at Break	>= 50 %	Nominal; ISO 527
Elongation at Yield	3.5 %	ISO 527
Tensile Modulus	2600 MPa	ISO 527
Flexural Strength	76.0 MPa	ISO 178
Flexural Modulus	2030 MPa	ISO 178
Charpy Impact Unnotched	220 kJ/m² @Temperature -30.0 °C	ISO 179
	NB @Temperature 23.0 °C	ISO 179
Charpy Impact, Notched	5.20 kJ/m² @Temperature 23.0 °C	ISO 179
	5.30 kJ/m² @Temperature -30.0 °C	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	IEC 60093
Dielectric Constant	3.2 @Frequency 1e+6 Hz	IEC 60250
	3.4 @Frequency 100 Hz	IEC 60250
Dissipation Factor	0.0019 @Frequency 100 Hz	IEC 60250
	0.0219 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	475 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	90.0 - 150 µm/m-°C
Melting Point	223 °C	ISO 3146
Deflection Temperature at 0.46 MPa (66 psi)	135 °C	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	50.0 °C	ISO 75

Processing Properties	Original Value	Comments
Adapter Temperature	225 °C
Die Temperature	215 °C
Melt Temperature	230 - 290 °C
Drying Temperature	100 - 120 °C @Time 14400 sec
Moisture Content	<= 0.040 %

Descriptive Properties
Compression Ratio	3:1
Extruder	250/240/230°C
L/D Ratio	20:1
Screw Parameters	3 to 4 flights	Transition Section
	45 percent	Metering Section

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PBASF8914 / 254872

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