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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding elasticity and recovery performance, maintaining shape integrity after repeated deformation.
Good low-temperature flexibility down to –30 °C without significant stiffness increase.
Compatible with common processing methods including extrusion, injection molding, and calendering.
Hydrolysis-resistant formulation suitable for humid or moisture-exposed applications.
High-performance automotive interior trim and soft-touch components.
Industrial hoses and pneumatic tubing requiring flex fatigue resistance.
Footwear midsoles and outsoles demanding rebound resilience and wear durability.
Conveyor belts and material handling components exposed to continuous friction.
Medical device tubing and wearable enclosures requiring biocompatibility-supportive polymer properties.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Natural granules, free-flowing pellets |
| Appearance | Translucent off-white to light amber granules |
| Primary Applications | Extrusion, injection molding, calendering |
| Key Features | Abrasion resistance, elasticity, low-temperature flexibility, hydrolysis resistance |
| Processing Temperature Range | 170–210 °C (recommended barrel temperature) |
| Density (g/cm³) | 1.18–1.20 (ASTM D792) |
| Melt Flow Index (g/10 min) | 10–14 (at 210 °C / 2.16 kg, ASTM D1238) |
Q1: What are the primary processing methods suitable for HF-4185A?
A: HF-4185A is specifically engineered for melt-processing techniques including extrusion, injection molding, and blow molding. Its balanced melt viscosity and thermal stability support consistent flow and minimal degradation under standard TPU processing conditions.
Q2: How does HF-4185A perform in applications requiring abrasion resistance and flexibility?
A: HF-4185A delivers excellent dynamic mechanical performance, combining high tensile resilience with superior surface wear resistance—making it well-suited for demanding flexible components such as protective casings, wearable device housings, and industrial rollers.
Q3: Is HF-4185A compatible with common TPU additives and masterbatches?
A: Yes, HF-4185A demonstrates good compatibility with conventional TPU additives—including UV stabilizers, antistatic agents, and pigment masterbatches—without significant phase separation or processing interference when incorporated at typical dosage levels.
Q4: Can HF-4185A be used in overmolding applications with rigid thermoplastics?
A: HF-4185A exhibits strong interfacial adhesion to common engineering thermoplastics such as ABS, PC, and PP when processed under optimized temperature and dwell time conditions—enabling reliable two-shot molding for soft-touch grips and ergonomic components.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
