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Excellent abrasion resistance for extended service life in dynamic applications.
High tensile strength and elongation at break, enabling reliable performance under mechanical stress.
Good low-temperature flexibility down to –30 °C without significant loss of elasticity.
Outstanding oil and grease resistance, suitable for industrial environments with hydrocarbon exposure.
Excellent melt processability via extrusion, injection molding, and calendering with stable viscosity.
Industrial hoses and pneumatic tubing requiring high pressure resistance and kink recovery.
Roller covers and printing rolls for offset and flexographic printing systems.
Seals, gaskets, and dynamic O-rings in automotive and hydraulic equipment.
Protective sheathing for cables and wire insulation in demanding mechanical environments.
High-performance footwear midsoles and outsoles requiring rebound resilience and wear durability.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Pellets (cylindrical, free-flowing) |
| Appearance | Off-white to light beige, uniform granules |
| Hardness (Shore A) | 95 ± 2 |
| Melt Flow Index (230 °C / 2.16 kg) | 12–16 g/10 min |
| Tensile Strength (ASTM D412) | ≥ 42 MPa |
| Elongation at Break (ASTM D412) | ≥ 580 % |
| Density (ASTM D792) | 1.21–1.23 g/cm³ |
Q1: What are the key processing advantages of HF-3395AX compared to conventional TPU grades?
A: HF-3395AX is engineered for enhanced melt stability and reduced viscosity at processing temperatures, enabling smoother extrusion and injection molding with lower torque demand and improved flow into fine-detailed molds. It also exhibits reduced tendency toward die drool and surface haze during high-speed film or fiber production.
Q2: Is HF-3395AX suitable for applications requiring long-term hydrolytic stability?
A: Yes — HF-3395AX is based on a polyester-ether hybrid backbone, offering significantly improved resistance to hydrolysis compared to standard polyester TPUs, particularly under warm, humid conditions. It maintains mechanical integrity longer in demanding environments such as automotive interior trim or outdoor industrial components.
Q3: Can HF-3395AX be blended with other thermoplastics or elastomers?
A: HF-3395AX demonstrates good compatibility with common engineering thermoplastics such as PC, ABS, and certain polyolefins when used with appropriate compatibilizers. It is frequently employed in alloy formulations to enhance flexibility, impact resistance, and surface feel without sacrificing processability.
Q4: Does HF-3395AX require drying before processing?
A: Yes — like most hygroscopic TPUs, HF-3395AX must be thoroughly dried prior to melt processing. Recommended drying conditions are typically 80–90 °C for 3–4 hours using dehumidifying equipment; insufficient drying may lead to surface defects, reduced tensile strength, and compromised clarity in transparent applications.
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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
