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BASF Ultradur B 6550 L PBT

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Unreinforced, Molded
Manufacturer BASF
Trade Name Ultradur B
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF BASF Ultradur B 6550 L PBT.pdf
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Material Notes:
Ultradur B 6550 L is a high viscosity PBT extrusion grade.Applications; Used for loose buffer tubes for optical fibers, semi-finished products fro machining, profiles and pipes.
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
ISO 1183
Water Absorption 0.50 %
0.50 %
DIN 53495/1L
Moisture Absorption at Equilibrium 0.25 %
0.25 %
23°C/50% R.H.
Viscosity Test 160 cm³/g
160 cm³/g
Viscosity number
Linear Mold Shrinkage, Flow 0.016 cm/cm
0.016 in/in
Sheet
Linear Mold Shrinkage, Transverse 0.017 cm/cm
0.017 in/in
Sheet
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, Yield 56.0 MPa
8120 psi
50mm/min; ISO 527
Elongation at Break >= 100 %
>= 100 %
50mm/min; ISO 527
Elongation at Yield 3.5 %
3.5 %
50mm/min; ISO 527
Modulus of Elasticity 2.50 GPa
363 ksi
ISO 527-2
Flexural Strength 75.0 MPa
10900 psi
ISO 178
Charpy Impact Unnotched NB
NB
ISO 179/1eU
Charpy Impact, Notched 0.700 J/cm²
3.33 ft-lb/in²
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 9.70 - 13.0 µm/m-°C

@Temperature 23.0 - 80.0 °C
 5.39 - 7.22 µin/in-°F

@Temperature 73.4 - 176 °F
 DIN 53752
Melting Point 220 - 225 °C
428 - 437 °F
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
Flammability, UL94 HB

@Thickness 1.60 mm
 HB

@Thickness 0.0630 in
HB

@Thickness 0.800 mm
 HB

@Thickness 0.0315 in
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
IEC 60093
Surface Resistance >= 5.00e+13 ohm
>= 5.00e+13 ohm
IEC 60093
Dielectric Constant 3.2

@Frequency 1.00e+6 Hz
 3.2

@Frequency 1.00e+6 Hz
 IEC 60250
3.4

@Frequency 100 Hz
 3.4

@Frequency 100 Hz
 IEC 60250
Dielectric Strength 31.0 kV/mm
787 kV/in
IEC 243/1
Dissipation Factor 0.0013

@Frequency 100 Hz
 0.0013

@Frequency 100 Hz
 IEC 60250
0.0221

@Frequency 1.00e+6 Hz
 0.0221

@Frequency 1.00e+6 Hz
 IEC 60250
Comparative Tracking Index 375 V
375 V
Test solution B; IEC 60112
600 V
600 V
Test solution A; IEC 60112
Processing Properties Metric English Comments
Melt Temperature 250 - 270 °C
482 - 518 °F
260 °C
500 °F
250 - 275 °C
482 - 527 °F
Injection molding
Mold Temperature 40.0 - 80.0 °C
104 - 176 °F
Descriptive Properties Value Comments
Color Natural
Commercial Status North America and Europe
FDA 21 CFR 177.1660
Form Pellets
Impact Modified No
Primary Processing Technique Extrusion
Processing Film Extrusion
Injection Molding
Other Extrusion
Profile Extrusion
Sheet Extrusion
Special characteristic Heat stabilized or stable to heat
Light stabilized or stable to light
U.V. stabilized or stable to weather
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