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Excellent abrasion resistance for demanding mechanical environments.
Superior elasticity and high tensile strength retention after repeated deformation.
Good processability via extrusion, injection molding, and calendering.
Outstanding low-temperature flexibility down to –30 °C.
Hydrolysis-resistant formulation suitable for humid or wet-condition applications.
Automotive interior trim components including door panels and instrument bezels.
High-performance industrial hoses and pneumatic tubing.
Wear-resistant conveyor belts and scraper blades.
Flexible cable jacketing for robotics and automation systems.
Medical device tubing requiring biocompatibility-compliant base chemistry.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets (free-flowing, uniform cylindrical granules) |
| Appearance | Translucent off-white to light amber pellets |
| Hardness (Shore A) | 80 ± 2 |
| Melt Flow Index (2.16 kg, 200 °C) | 12–16 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Primary Applications | Extruded profiles, molded parts, flexible tubing, wear pads |
| Key Features | Abrasion resistance, elasticity, hydrolytic stability, thermal processability |
Q1: What are the primary processing methods suitable for HF-4080A?
A: HF-4080A is designed for melt-processing techniques including extrusion, injection molding, and blow molding. Its balanced melt viscosity and thermal stability support consistent flow and good surface finish across these methods.
Q2: Is HF-4080A compatible with common engineering thermoplastics for alloying or blending?
A: Yes — HF-4080A demonstrates good compatibility with polyesters (e.g., PET, PBT) and certain polyolefins when properly formulated. Compatibility should be verified experimentally for specific blend ratios and end-use requirements.
Q3: How does HF-4080A perform under repeated flexing or dynamic mechanical stress?
A: As a high-performance thermoplastic polyurethane elastomer, HF-4080A offers excellent resilience, fatigue resistance, and retention of mechanical properties after extended cyclic loading — making it well-suited for applications such as flexible hoses, wearable components, and dynamic seals.
Q4: Does HF-4080A require drying before processing, and what are the recommended conditions?
A: Yes — like most TPU grades, HF-4080A is hygroscopic and must be thoroughly dried prior to processing. A typical recommendation is drying at 80–90 °C for 2–4 hours using a desiccant dryer, with moisture content maintained below 0.05% for optimal melt quality and physical performance.
Q5: Can HF-4080A be used in applications requiring contact with oils or hydrocarbon-based fluids?
A: HF-4080A exhibits moderate resistance to non-polar oils and greases, but prolonged exposure may lead to swelling or property degradation. For demanding oil-resistant applications, evaluation under actual service conditions — including temperature, concentration, and exposure duration — is strongly advised.
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E-mail: wangxingqiang@ericwchem.com
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