| 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 |
| Price | EMAIL US sales@lookpolymers.com |
| 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 |