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Excellent melt processability for high-speed extrusion and injection molding.
Outstanding abrasion resistance and mechanical toughness under dynamic loading.
Good low-temperature flexibility down to –30 °C without significant stiffening.
Hydrolysis-resistant formulation suitable for humid and warm environments.
High transparency and excellent clarity retention after thermoforming.
Medical tubing and fluid handling components requiring biocompatibility support.
Precision seals and gaskets for automotive fluid systems.
Transparent protective films for electronic displays and touch panels.
High-durability sports equipment components including shoe midsoles and protective guards.
Flexible connectors and overmolded grips in industrial tooling assemblies.
| Chemical Type | Thermoplastic Polyurethane (Aliphatic Polyester-based) |
| Product Form | Natural translucent pellets |
| Appearance | Uniform cylindrical pellets, free of black specks and agglomerates |
| Hardness (Shore A) | 58 ± 2 |
| Melt Flow Index (210 °C / 2.16 kg) | 12–16 g/10 min |
| Density (23 °C) | 1.18–1.20 g/cm³ |
| Primary Applications | Extruded profiles, thin-walled injection molded parts, transparent elastomeric components |
| Key Features | Clarity, hydrolytic stability, processing efficiency, low compression set |
Q1: What is the primary polymer architecture and typical hardness range of Merrell TPUH580?
A: Merrell TPUH580 is a thermoplastic polyurethane elastomer based on polyester chemistry, offering excellent mechanical resilience and abrasion resistance. Its Shore A hardness typically falls within the mid-to-high range, making it suitable for demanding flexible applications requiring robust elasticity and recovery.
Q2: Is Merrell TPUH580 suitable for extrusion and injection molding processes?
A: Yes — TPUH580 is specifically formulated for high-throughput melt processing. It demonstrates good thermal stability, low melt viscosity, and consistent flow behavior in both extrusion and injection molding, supporting efficient production of films, profiles, and precision-molded components.
Q3: How does TPUH580 perform in environments with exposure to oils and greases?
A: As a polyester-based TPU, TPUH580 offers moderate resistance to non-polar hydrocarbons and lubricating oils, though prolonged immersion or elevated temperatures may affect long-term performance. For critical oil-resistant applications, compatibility testing under actual service conditions is recommended.
Q4: Can TPUH580 be blended with other polymers to modify processing or end-use properties?
A: Yes — TPUH580 is commonly compatibilized with certain polyolefins, PVC, and other TPUs to tailor flexibility, adhesion, or surface characteristics. However, blend compatibility depends strongly on polarity, melt rheology, and thermal history; laboratory-scale trials are advised before full-scale implementation.
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