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Excellent abrasion resistance for demanding mechanical environments.
Outstanding oil and grease resistance, maintaining integrity in lubricated conditions.
Good low-temperature flexibility down to –30 °C without significant embrittlement.
High tensile strength and elongation at break for dynamic load-bearing applications.
Compatible with common thermoplastic processing methods including extrusion, injection molding, and calendering.
Industrial rollers and conveyor belts requiring wear resilience.
Automotive interior trim components such as gear knobs and instrument panel overlays.
High-performance footwear midsoles and outsoles for athletic and work footwear.
Flexible hoses and fluid transfer tubing in hydraulic and pneumatic systems.
Protective casings for electronic devices and wearable equipment.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Translucent off-white granules |
| Hardness (Shore A) | 95 ± 2 |
| Tensile Strength (MPa) | 42–48 |
| Elongation at Break (%) | 480–520 |
| Melt Flow Index (g/10 min, 210 °C/5 kg) | 12–16 |
| Density (g/cm³) | 1.18–1.21 |
Q1: What are the key processing advantages of HF-3695AU compared to conventional TPU grades?
A: HF-3695AU offers enhanced melt flow stability and reduced viscosity sensitivity during extrusion and injection molding, enabling smoother processing at lower shear rates. Its optimized thermal profile supports consistent output in high-speed production lines without premature degradation or gel formation.
Q2: Is HF-3695AU suitable for applications requiring long-term hydrolytic stability?
A: Yes — HF-3695AU is formulated with hydrolysis-resistant polyester-based chemistry and includes stabilizers that significantly improve resistance to moisture-induced chain scission, especially under elevated temperature and humidity conditions typical in automotive interior and industrial hose applications.
Q3: Can HF-3695AU be blended with other thermoplastics or elastomers?
A: HF-3695AU demonstrates good compatibility with common engineering thermoplastics such as PC, ABS, and certain polyolefins when used with appropriate compatibilizers. Blending is commonly applied to tailor hardness, impact performance, or surface feel — however, preliminary compatibility testing is recommended for each specific formulation.
Q4: Does HF-3695AU meet requirements for food-contact or medical-grade use?
A: HF-3695AU is not pre-certified for direct food-contact or implantable medical applications. It may be considered for non-invasive, short-term medical device housings or food-packaging auxiliary components subject to full regulatory evaluation by the end-user, including extraction testing and compliance verification against applicable regional requirements.
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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
