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BASF Ultradur® B 6550 LN PBT

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer BASF
Trade Name Ultradur®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Description: High-viscosity grades for the extrusion of loose buffer tubes for optical fibers, semi-finished products for machining, profiles and pipes.Information provided by BASF
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
ISO 1183
Water Absorption 0.40 %
0.40 %
Saturation; DIN 53495/1L
Moisture Absorption at Equilibrium 0.25 %
0.25 %
23°C; 50% RH
Viscosity Measurement 160
160
[ml/g]; Viscosity number; ISO 1628
Linear Mold Shrinkage, Flow 0.019 cm/cm
0.019 in/in
Sheet; ISO 294
Linear Mold Shrinkage, Transverse 0.022 cm/cm
0.022 in/in
Sheet; ISO 294
Melt Flow 11.7 g/10 min

@Load 2.16 kg,
Temperature 250 °C
11.7 g/10 min

@Load 4.76 lb,
Temperature 482 °F
ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength at Break 56.0 MPa
8120 psi
5 mm/min; ISO 527-2
Tensile Strength, Yield 56.0 MPa
8120 psi
50 mm/min; ISO 527-2
Elongation at Break >= 3.5 %
>= 3.5 %
50mm/min; ISO 527-2
Elongation at Yield 3.5 %
3.5 %
50 mm/min; ISO 527-2
>= 50 %
>= 50 %
50 mm/min; ISO 527-2
Modulus of Elasticity 2.60 GPa
377 ksi
ISO 527-2
Flexural Strength 76.0 MPa
11000 psi
ISO 178
Charpy Impact Unnotched 22.0 J/cm²

@Temperature -30.0 °C
105 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eU
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 179/1eU
Charpy Impact, Notched 0.600 J/cm²

@Temperature 23.0 °C
2.86 ft-lb/in²

@Temperature 73.4 °F
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 9.00 - 15.0 µm/m-°C

@Temperature 23.0 - 80.0 °C
5.00 - 8.33 µin/in-°F

@Temperature 73.4 - 176 °F
DIN 53752
Melting Point 220 - 225 °C
428 - 437 °F
DSC; ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi) 135 °C
275 °F
ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 55.0 °C
131 °F
ISO 75-2
Decomposition Temperature >= 290 °C
>= 554 °F
Flammability, UL94 HB

@Thickness 1.60 mm
HB

@Thickness 0.0630 in
HB

@Diameter 0.400 mm
HB

@Diameter 0.0157 in
Electrical Properties Metric English Comments
Volume Resistivity 5.00e+15 ohm-cm
5.00e+15 ohm-cm
IEC 93
Surface Resistance >= 1.00e+15 ohm
>= 1.00e+15 ohm
IEC 93
Dielectric Constant 3.2

@Frequency 1.00e+6 Hz
3.2

@Frequency 1.00e+6 Hz
IEC 250
3.4

@Frequency 100 Hz
3.4

@Frequency 100 Hz
IEC 250
Dielectric Strength 39.0 kV/mm
991 kV/in
IEC 243/1
Dissipation Factor 0.0019

@Frequency 100 Hz
0.0019

@Frequency 100 Hz
IEC 250
0.0219

@Frequency 1.00e+6 Hz
0.0219

@Frequency 1.00e+6 Hz
IEC 250
Comparative Tracking Index 475 V
475 V
Test solution A; IEC 112
Processing Properties Metric English Comments
Melt Temperature 260 °C
500 °F
for shrinkage test
250 - 270 °C
482 - 518 °F
Pipe extrusion
250 - 270 °C
482 - 518 °F
Semi-finished extrusion
260 - 270 °C
500 - 518 °F
Injection-molding
Mold Temperature 40.0 - 80.0 °C
104 - 176 °F
Injection molding
60.0 °C
140 °F
for shrinkage test
Descriptive Properties Value Comments
Color Natural
Commercial Status Europe
Ignition Temperature 350 °C
ASTM D1929
Primary Processing Technique Coating and Injection Molding
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