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BASF Ultradur B 4500 PBT

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Unreinforced, Molded
Manufacturer BASF
Trade Name Ultradur B
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Ultradur B4500 is a general-purpose injection molding grade for high-precision, high-toughness, and dimensionally stable engineering parts. 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
Water Vapor Transmission 10.0 g/m²/day
0.644 g/100 in²/day
ASTM F 1249
Viscosity Test 130 cm³/g
130 cm³/g
Viscosity number
Linear Mold Shrinkage, Flow 0.015 cm/cm
0.015 in/in
Sheet
0.016 cm/cm
0.016 in/in
60x60x2mm; ISO 294
Linear Mold Shrinkage, Transverse 0.015 cm/cm
0.015 in/in
Sheet
0.019 cm/cm
0.019 in/in
60x60x2mm; ISO 294
Melt Flow 24.7 g/10 min

@Load 2.16 kg,
Temperature 250 °C
24.7 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, Yield 55.0 MPa
7980 psi
50mm/min; ISO 527-2
Elongation at Break >= 50 %
>= 50 %
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
Flexural Strength 85.0 MPa
12300 psi
ISO 178
Charpy Impact Unnotched 29.0 J/cm²
138 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 >= 140 J
>= 103 ft-lb
ISO 6603-1
Tensile Creep Modulus, 1000 hours 1200 MPa
174000 psi
elongation <0.5%, 23°C; ISO 899-1
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 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
IEC 1006
Thermal Conductivity 0.270 W/m-K
1.87 BTU-in/hr-ft²-°F
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
Optical Properties Metric English Comments
Haze 1.0 %
1.0 %
ASTM D 1003
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 60250
3.3

@Frequency 1.00e+6 Hz
3.3

@Frequency 1.00e+6 Hz
IEC 60250
Dielectric Strength 140 kV/mm
3560 kV/in
IEC 112
Dissipation Factor 0.0010

@Frequency 100 Hz
0.0010

@Frequency 100 Hz
IEC 60250
0.020

@Frequency 1.00e+6 Hz
0.020

@Frequency 1.00e+6 Hz
IEC 60250
Comparative Tracking Index 450 V
450 V
Test Liquid B; IEC 112
550 V
550 V
Test Liquid A; IEC 112
Processing Properties Metric English Comments
Melt Temperature 230 - 250 °C
446 - 482 °F
Semi-finished extrusion
230 - 260 °C
446 - 500 °F
Pipe extrusion
230 - 280 °C
446 - 536 °F
Cast-film extrusion
230 - 280 °C
446 - 536 °F
Coating
260 °C
500 °F
for shrinkage test
250 - 275 °C
482 - 527 °F
Injection molding
Mold Temperature 40.0 - 70.0 °C
104 - 158 °F
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 Extrusion, Film Extrusion and Injection Molding
Processing Film Extrusion
Injection Molding
Other Extrusion
Profile 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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