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BASF Ultradur B 4520 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
Download PDF BASF Ultradur B 4520 PBT.pdf
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Material Notes:
Ultradur B4520 is a medium viscosity, rapidly freezing injection molding grade.
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 130 cm³/g
130 cm³/g
Viscosity number
Linear Mold Shrinkage, Flow 0.015 cm/cm
0.015 in/in
60x60x2mm; ISO 294
0.015 cm/cm
0.015 in/in
Sheet
Linear Mold Shrinkage, Transverse 0.015 cm/cm
0.015 in/in
Sheet
0.017 cm/cm
0.017 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 Stress 5.00 MPa

@Strain 2.00 %,
Temperature 160 °C
 725 psi

@Strain 2.00 %,
Temperature 320 °F
 ISO 527
8.00 MPa

@Strain 6.00 %,
Temperature 160 °C
 1160 psi

@Strain 6.00 %,
Temperature 320 °F
 ISO 527
10.0 MPa

@Strain 10.0 %,
Temperature 160 °C
 1450 psi

@Strain 10.0 %,
Temperature 320 °F
 ISO 527
39.0 MPa

@Strain 8.00 %,
Temperature 30.0 °C
 5660 psi

@Strain 8.00 %,
Temperature 86.0 °F
 ISO 527
40.0 MPa

@Strain 2.00 %,
Temperature 30.0 °C
 5800 psi

@Strain 2.00 %,
Temperature 86.0 °F
 ISO 527
42.0 MPa

@Strain 4.00 %,
Temperature 30.0 °C
 6090 psi

@Strain 4.00 %,
Temperature 86.0 °F
 ISO 527
55.0 MPa

@Strain 2.00 %,
Temperature -40.0 °C
 7980 psi

@Strain 2.00 %,
Temperature -40.0 °F
 ISO 527
60.0 MPa

@Strain 8.00 %,
Temperature -40.0 °C
 8700 psi

@Strain 8.00 %,
Temperature -40.0 °F
 ISO 527
90.0 MPa

@Strain 6.00 %,
Temperature -40.0 °C
 13100 psi

@Strain 6.00 %,
Temperature -40.0 °F
 ISO 527
8.00 MPa

@Strain 5.00 %,
Time 3.60e+6 sec
 1160 psi

@Strain 5.00 %,
Time 1000 hour
 100°C; ISO 527
12.0 MPa

@Strain 10.0 %,
Time 3.60e+6 sec
 1740 psi

@Strain 10.0 %,
Time 1000 hour
 100°C; ISO 527
12.0 MPa

@Strain 5.00 %,
Time 3.60e+6 sec
 1740 psi

@Strain 5.00 %,
Time 1000 hour
 60°C; ISO 527
15.0 MPa

@Strain 15.0 %,
Time 3.60e+6 sec
 2180 psi

@Strain 15.0 %,
Time 1000 hour
 100°C; ISO 527
18.0 MPa

@Strain 10.0 %,
Time 3.60e+6 sec
 2610 psi

@Strain 10.0 %,
Time 1000 hour
 60°C; ISO 527
20.0 MPa

@Strain 15.0 %,
Time 3.60e+6 sec
 2900 psi

@Strain 15.0 %,
Time 1000 hour
 60°C; ISO 527
Tensile Strength, Yield 60.0 MPa
8700 psi
50mm/min; ISO 527
22.0 MPa

@Temperature 100 °C
 3190 psi

@Temperature 212 °F
 ISO 527
60.0 MPa

@Temperature 23.0 °C
 8700 psi

@Temperature 73.4 °F
 ISO 527
105 MPa

@Temperature -40.0 °C
 15200 psi

@Temperature -40.0 °F
 ISO 527
Elongation at Break >= 50 %
>= 50 %
50mm/min; ISO 527
Elongation at Yield 3.7 %
3.7 %
50mm/min; ISO 527
Modulus of Elasticity 2.40 GPa
348 ksi
ISO 527-2
Flexural Strength 85.0 MPa
12300 psi
ISO 178
Charpy Impact Unnotched NB
NB
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
ISO 899
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
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
ASTM Test
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
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C
149 °F
ISO 75
Flammability, UL94 HB

@Thickness 1.60 mm
 HB

@Thickness 0.0630 in
HB

@Thickness 0.800 mm
 HB

@Thickness 0.0315 in
Glow Wire Test 850 °C

@Thickness 3.00 mm
 1560 °F

@Thickness 0.118 in
 IEC 695
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
IEC 60093
Surface Resistance 1.00e+13 ohm
1.00e+13 ohm
IEC 60093
Dielectric Constant 3.3

@Frequency 1.00e+6 Hz
 3.3

@Frequency 1.00e+6 Hz
 IEC 60250
3.4

@Frequency 100 Hz
 3.4

@Frequency 100 Hz
 IEC 60250
Dielectric Strength 140 kV/mm
3560 kV/in
IEC 243/1
Dissipation Factor 0.0020

@Frequency 100 Hz
 0.0020

@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
IEC 60112
550 V
550 V
Test Liquid A; IEC 60112
Processing Properties Metric English Comments
Melt Temperature 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
Injection molding
60.0 °C
140 °F
for shrinkage test
Descriptive Properties Value Comments
Color Natural, Colored, Black and Special Colors
Commercial Status North America and Europe
Form Pellets
Impact Modified No
Primary Processing Technique Injection Molding
Processing Injection Molding and Coating
Special characteristic Heat stabilized or stable to heat
Light stabilized or stable to light
Lubricant
U.V. stabilized or stable to weather
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