1. Polymer Physics of TPE vs. TPR
Thermoplastic Elastomers (TPE/TPR) combine the functional performance of vulcanized rubber with high processing efficiency.
2. Engineering Property Benchmark
| Engineering Metric | Hydrogenated SEBS TPE | SBS-based TPR | EPDM / Natural Rubber |
|---|---|---|---|
| Hardness Spectrum | Shore 0A to 95A / 55D | Shore 10A to 90A | Shore 30A to 90A |
| Weather & UV Resistance | ⭐⭐⭐⭐⭐ (10+ years outdoor) | ⭐⭐⭐ (Indoor / Moderate outdoor) | ⭐⭐⭐⭐ (Requires carbon black) |
| Service Temp Range | -50°C to +125°C | -30°C to +80°C | -40°C to +120°C |
| Molding Cycle Time | 15 – 35 seconds (No curing) | 15 – 30 seconds (No curing) | 3 – 15 minutes (Curing required) |
| Scrap Recyclability | 100% Closed-loop re-meltable | 100% Closed-loop re-meltable | Non-recyclable thermoset waste |
