English
Español
tiếng việt
русский
Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding low-temperature flexibility down to –40 °C without significant loss of elasticity.
Good oil and grease resistance, maintaining dimensional stability in contact with hydrocarbon-based fluids.
High transparency and excellent clarity retention after processing and aging.
Optimized melt flow for stable extrusion and injection molding with minimal die swell.
Transparent protective films for electronic displays and touch panels.
Flexible tubing for medical and food-grade fluid handling systems.
Soft-touch overmolding on consumer electronics housings and automotive interior components.
High-clarity gaskets and seals requiring UV stability and weather resistance.
Wear-resistant components in precision industrial rollers and conveyor belts.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Translucent, uniform cylindrical pellets |
| Hardness (Shore A) | 98 ± 2 |
| Melt Flow Index (210 °C / 5 kg) | 12–16 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Processing Temperature Range | 190–220 °C |
| Key Features | High transparency, low-temperature toughness, hydrolysis resistance |
Q1: What are the key processing advantages of HF-3398AX compared to conventional TPU grades?
A: HF-3398AX is engineered for enhanced melt flow and reduced viscosity during extrusion and injection molding, enabling smoother processing at lower shear stress. It exhibits improved thermal stability during repeated thermal cycles and reduced tendency for gel formation, especially in high-output production environments.
Q2: Is HF-3398AX suitable for applications requiring abrasion resistance and flexibility at low temperatures?
A: Yes — HF-3398AX delivers a balanced combination of high elasticity, excellent rebound resilience, and robust resistance to wear and tear. Its soft-segment chemistry supports retained flexibility down to sub-zero temperatures, making it well-suited for dynamic components such as rollers, seals, and protective overmolds exposed to mechanical stress and thermal variation.
Q3: Can HF-3398AX be blended with other thermoplastics or elastomers?
A: HF-3398AX demonstrates good compatibility with several common thermoplastic matrices, including certain polyesters, polyolefins, and other TPU types, particularly when used as a toughening modifier. Compatibility should always be verified through small-scale melt blending trials and morphology evaluation, as phase behavior depends on formulation specifics and processing conditions.
Q4: How does HF-3398AX perform in terms of hydrolytic stability?
A: As an aliphatic polyester-based TPU, HF-3398AX offers moderate resistance to hydrolysis under ambient conditions. For long-term use in humid or aqueous environments, stabilization with appropriate hydrolysis inhibitors is recommended — performance will vary depending on temperature, pH, and exposure duration.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
