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BASF Ultradur B 2550 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 2550 PBT.pdf
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Material Notes:
Ultradur B2550 is an unfilled, very free-flowing grade for coating paper and board with high heat resistance, for example for packaging of frozen goods and ready-prepared meals. Also suitable for injection-molding applications, where good flow properties are important It conforms to FDA requirements of 21 CFR 177.1660.
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
ISO 1183
Water Absorption 0.50 %
0.50 %
ISO 62
Moisture Absorption at Equilibrium 0.25 %
0.25 %
23°C/50% R.H.; ISO 62
Viscosity Test 107 cm³/g
107 cm³/g
Viscosity number
Linear Mold Shrinkage, Flow 0.015 cm/cm
0.015 in/in
0.016 cm/cm
0.016 in/in
60x60x2mm; ISO 294
Linear Mold Shrinkage, Transverse 0.015 cm/cm
0.015 in/in
0.019 cm/cm
0.019 in/in
60x60x2mm; ISO 294
Melt Flow 52 g/10 min

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

@Load 4.76 lb,
Temperature 482 °F
ISO 1133
Mechanical Properties Metric English Comments
Ball Indentation Hardness 130 MPa
18900 psi
ISO 2039-1
Tensile Strength at Break 57.0 MPa
8270 psi
5mm/min; ISO 527-2
Tensile Strength, Yield 57.0 MPa
8270 psi
50mm/min; ISO 527-2
Elongation at Break 35 %
35 %
50mm/min; ISO 527-2
Elongation at Yield 3.7 %
3.7 %
50mm/min; ISO 527-2
Modulus of Elasticity 2.50 GPa
363 ksi
ISO 527-2
Charpy Impact Unnotched 25.0 J/cm²
119 ft-lb/in²
ISO 179/1eU
Charpy Impact, Notched 0.600 J/cm²
2.86 ft-lb/in²
ISO 179/1eA
Dart Drop, Total Energy 100 J
73.8 ft-lb
ISO 6603-1
Tensile Creep Modulus, 1000 hours 1100 MPa
160000 psi
ISO 899-1
Thermal Properties Metric English Comments
CTE, linear 13.0 - 16.0 µm/m-°C

@Temperature 23.0 - 80.0 °C
7.22 - 8.89 µin/in-°F

@Temperature 73.4 - 176 °F
DIN 53752
Specific Heat Capacity 1.50 J/g-°C
0.359 BTU/lb-°F
Melt; IEC 1006
Thermal Conductivity 0.270 W/m-K
1.87 BTU-in/hr-ft²-°F
Melt; DIN 52612
Melting Point 220 - 225 °C
428 - 437 °F
ISO 11357-3
Maximum Service Temperature, Air 120 °C
248 °F
at 50% loss of tensile strength after 20000h; IEC 216-1
140 °C
284 °F
at 50% loss of tensile strength after 5000h; IEC 216-1
200 °C
392 °F
Deflection Temperature at 0.46 MPa (66 psi) 165 °C
329 °F
ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C
149 °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 93
Surface Resistance 1.00e+13 ohm
1.00e+13 ohm
IEC 93
Dielectric Constant 3.3

@Frequency 100 Hz
3.3

@Frequency 100 Hz
IEC 250
3.3

@Frequency 1.00e+6 Hz
3.3

@Frequency 1.00e+6 Hz
IEC 250
Dielectric Strength 40.0 kV/mm
1020 kV/in
IEC 243/1
Dissipation Factor 0.0013

@Frequency 100 Hz
0.0013

@Frequency 100 Hz
IEC 250
0.020

@Frequency 1.00e+6 Hz
0.020

@Frequency 1.00e+6 Hz
IEC 250
Comparative Tracking Index 450 V
450 V
Test Liquid B; IEC 112
500 V
500 V
Test liquid A; IEC 112
Processing Properties Metric English Comments
Melt Temperature 245 - 270 °C
473 - 518 °F
Injection molding
230 - 290 °C
446 - 554 °F
Coating
260 °C
500 °F
for shrinkage test
Mold Temperature 40.0 - 70.0 °C
104 - 158 °F
Ejection temperature
60.0 °C
140 °F
for shrinkage test
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 Injection Molding and Coating
Processing Coating
Film Extrusion
Injection Molding
Other Extrusion
Special characteristic Heat stabilized or stable to heat
Light stabilized or stable to light
U.V. stabilized or stable to weather
UL.UL-C Yes
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