BASF Ultradur® B 2550 FC PBT

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BASF Ultradur® B 2550 FC PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes:	Ultradur B 2550 FC is an unfilled, easy flow PBT offering good heat resistance. This grade is a food contact grade. Applications: Applications include monofilament, bristles and heat-resistant coatings on paper and board used for packaging frozen foods and oven-ready meals. Also for injection molding applications that call for high flowability. Information provided by BASF.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc	ISO 1183
Viscosity Test	107 cm³/g	ISO 1628
Melt Flow	40 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	130 MPa	ISO 2039-1
Tensile Strength, Yield	57.0 MPa	ISO 527
Elongation at Break	35 %	ISO 527
Elongation at Yield	3.7 %	ISO 527
Tensile Modulus	2500 MPa	ISO 527
Charpy Impact Unnotched	250 kJ/m²	ISO 179
Charpy Impact, Notched	6.00 kJ/m²	ISO 179
Tensile Creep Modulus, 1000 hours	11000 MPa	ISO 899

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	IEC 60093
Dielectric Constant	3.3 @Frequency 100 Hz	IEC 60250
	3.3 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.0013 @Frequency 100 Hz	IEC 60250
	0.020 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	500 V	IEC 60112

Thermal Properties	Original Value	Comments
Melting Point	223 °C	ISO 3146
Deflection Temperature at 0.46 MPa (66 psi)	165 °C	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	65.0 °C	ISO 75

Processing Properties	Original Value	Comments
Zone 1	260 - 265 °C
Zone 2	265 - 275 °C
Zone 3	260 - 270 °C
Zone 4	255 - 265 °C
Die Temperature	260 - 270 °C
Melt Temperature	260 - 270 °C
Head Temperature	260 - 270 °C
Drying Temperature	100 - 120 °C @Time 14400 sec
Moisture Content	<= 0.040 %
Precipitation Temperature	260 - 270 °C

Descriptive Properties
Compression Ratio	3.5:1 to 4:1
L/D Ratio	25:1 minimum
Three section screw	6D/7D/9D + 3D

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PBASF8902 / 254860

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