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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding low-temperature flexibility down to –40 °C without brittle failure.
Good oil, grease, and hydrocarbon resistance suitable for industrial lubricant exposure.
High tensile strength and elongation retention after thermal aging at 100 °C for 72 hours.
Easy processability via injection molding, extrusion, and blow molding with minimal thermal degradation.
Automotive interior trim components including gear knobs, door handles, and instrument panel overlays.
Industrial hoses and fluid transfer tubing requiring kink resistance and pressure stability.
Protective overmolding for electronic connectors and ruggedized handheld device casings.
High-performance sporting goods such as ski boot soles, bicycle grips, and athletic footwear midsoles.
Conveyor belt covers and wear-resistant linings for material handling equipment.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets (free-flowing, uniform size) |
| Appearance | Translucent off-white granules |
| Density (g/cm³) | 1.18–1.20 (ASTM D792) |
| Melt Flow Index (g/10 min) | 15–18 (210 °C / 5 kg) |
| Shore A Hardness | 97–99 (ASTM D2240) |
| Tensile Strength (MPa) | 42–46 (ASTM D412) |
| Elongation at Break (%) | 580–620 (ASTM D412) |
Q1: What are the key processing advantages of HF-3098AU compared to conventional TPU grades?
A: HF-3098AU is engineered for enhanced melt stability and reduced viscosity at standard extrusion and injection molding temperatures, enabling smoother flow through fine-die profiles and improved surface finish in thin-wall applications. Its balanced thermal degradation resistance supports consistent output during extended production runs.
Q2: Is HF-3098AU suitable for overmolding onto rigid substrates such as ABS or PC?
A: Yes — HF-3098AU demonstrates strong interfacial adhesion to common engineering thermoplastics when processed under optimized temperature and dwell time conditions. Bond strength is further enhanced by proper substrate drying and mold surface preparation.
Q3: How does HF-3098AU perform in dynamic flexing and repeated compression applications?
A: It offers excellent resilience and low permanent set retention after cyclic deformation, making it well-suited for high-flex components like gaskets, seals, and wearable device housings where long-term shape recovery is critical.
Q4: Can HF-3098AU be used in applications requiring UV resistance?
A: While HF-3098AU exhibits moderate inherent UV stability, long-term outdoor exposure is best supported by incorporating appropriate UV stabilizers and HALS additives into the final compound formulation.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
