PBT
Ultradur® B 4520 LI
Manufacturer：巴斯夫
中等粘度挤出级，具有异常高的熔体强度，适用于挤出型材、薄膜、空心棒、管材和吹塑制品
Recorded properties
Record date：2026-11-08
| Property | Value | Unit |
|---|---|---|
| Density | 2.16 | g/cm³ |
| Melt flow rate | 8.5 | g/10min |
| Tensile strength | 52.0 | MPa |
| Tensile modulus | 2500.0 | MPa |
| Elongation at break | 3.4 | % |
| Notched impact strength | 5.5 | kJ/m² |
| HDT 1.8MPa | 55.0 | °C |
| HDT 0.45MPa | 140.0 | °C |
Test standard, specimen condition and source rights are not fully recorded. Values are for preliminary screening only; verify with the manufacturer before design or purchasing decisions.
Grade handling information to verify
Verified grade-specific storage, drying, equipment settings and application details are not available in this record. Request the latest processing guide and safety data sheet for this exact grade from the manufacturer before establishing production settings.
- Storage
- Confirm packaging, temperature and humidity, shelf life, and handling after opening.
- Drying
- Confirm whether drying is required, plus temperature, time, dew point and target moisture.
- Equipment setup
- Confirm barrel and mold temperatures, injection conditions, residence time, purging and safe shutdown.
- Applications
- Confirm the manufacturer’s intended processes, application limits and relevant approvals for this grade.
You may consult the family overview; it does not provide verified settings for this grade: Material-family guide
