| About |
|---|
| Ultradur B 4520 PRO TR is an unfilled injection molding PBT grade with special lubricant to minimize friction, stick-slip and squeaking, which supports customers in product development for the medical technology market. This grade complied with US Pharmacopoeia: Biological Reactivity Tests, USP Plastic Class VI (USP VI), ISO 10993-5: Biological Evaluation of Medical Devices Part 5: Test for Cytotoxicity, DMF: A Drug Master File (DMF) has been registered at FDA for Ultradur® PRO and Food Contact: Ultradur® PRO is in compliance with multiple regional food contact regulations, especially for Europe and United States.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Food contact compliance,Lubricating |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 20.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD | 2.3 | % | |
| MD | 2.1 | % | |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.50 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.25 | % | |
| Viscosity value | |||
| Reduced viscosity | 120.0 | ml/g | ISO 1628 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2500 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, 23 ℃ | 50.0 | MPa | ISO 527-2 |
| Nominal tensile fracture strain | |||
| 23℃ | 28 | % | ISO 527-2 |
| Bending modulus | |||
| 23℃ | 2400 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 70.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| -30℃ | 170 | kJ/m² | |
| 23℃ | 180 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 145 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 58.0 | ℃ | ISO 75-2/A |
| Melting temperature | |||
| DSC | 220 | ℃ | ISO 3146 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 5.0E+16 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+18 | ohms·cm | IEC 60093 |
| Dielectric constant | |||
| 100 Hz | 3.30 | ||
| 1 MHz | 3.10 | ||
| Dissipation factor | |||
| 100 Hz | 2.1E-3 | ||
| 1 MHz | 0.020 | ||
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 100 to 120 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.040 | % | |
| Processing (melt) temperature | 250 to 270 | °C | |
| Mold temperature | 40 to 80 | °C | |
| Injection pressure | 3.50 to 12.5 | MPa | |
| Injection speed | 快速 | ||
| Back pressure | < 1.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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