PPSU Radel R-5100: Maximum-Toughness High-Temperature Transparent Polymer
Published: 2026-06-12
PPSU Radel offers the highest impact resistance of any amorphous high-temperature polymer — notched Izod 690 J/m (no break) — with inherent flame retardancy and excellent sterilization tolerance.Propprose Processability Score (PPS): 6/10...
Technical Properties
| Density | 1.29 g/cm³ |
|---|---|
| Tensile Strength | 76 MPa |
| Melting Point | N/A (Amorphous, Tg 220°C) |
| Shrinkage Rate | 0.6-0.7% |
| Flexural Modulus | 2.4 GPa |
| Hdt | 207 °C at 1.82 MPa |
| Continuous Service Temp | 180 °C |
Engineering Tool: Shrinkage & Cost Estimator
Calculate part weight, mold cavity dimensions accounting for shrinkage, and material cost — all locally in your browser.
Equivalents & Cross-References
| Equivalent / Alternate | Action |
|---|---|
| Solvay Radel R-5100 | |
| BASF Ultrason P 3010 |
Frequently Asked Questions
What makes PPSU better than PSU for medical devices?
PPSU has 2-3x the impact resistance of PSU (690 vs 70 J/m notched Izod), higher continuous service temperature (180°C vs 160°C), and vastly superior environmental stress crack resistance (ESCR) to hospital disinfectants. For reusable medical devices subjected to aggressive chemical sterilization, PPSU is the clear upgrade over PSU, at approximately 2x cost.
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References & Industry Standards
- ASTM International. Standard Specifications for Engineering Plastics & Thermoplastics. astm.org
- UL Prospector. Plastics & Elastomers Material Database. ulprospector.com
- MatWeb. Material Property Data for Engineering Thermoplastics. matweb.com
- ISO 1043. Plastics — Symbols and Abbreviated Terms. iso.org