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Excellent melt processability for extrusion, injection molding, and blow molding.
Outstanding abrasion resistance and mechanical toughness at ambient and elevated temperatures.
Good oil, grease, and hydrocarbon resistance suitable for demanding industrial environments.
High transparency and excellent clarity retention after processing and aging.
Low-temperature flexibility down to –40 °C without significant loss of elasticity.
Automotive interior trim components including instrument panel skins and door panels.
Medical tubing and fluid-contacting devices requiring biocompatibility and sterilizability.
High-performance sportswear and footwear midsoles with rebound efficiency and fatigue resistance.
Industrial hoses and pneumatic tubing requiring pressure cycling durability.
Consumer electronics protective casings and flexible connectors requiring impact absorption.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets (free-flowing, cylindrical) |
| Appearance | Translucent, off-white granules |
| Shore A Hardness | 85 ± 3 |
| Melt Flow Index (230 °C / 2.16 kg) | 12–16 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Processing Temperature Range | 180–220 °C |
| Key Features | Hydrolysis-stabilized, UV-resistant, low extractables |
Q1: What are the key processing advantages of Merrell TPUH220 compared to conventional TPU grades?
A: Merrell TPUH220 offers enhanced melt flow and lower processing viscosity, enabling smoother extrusion and injection molding at reduced temperatures. Its balanced hardness and elasticity support consistent part formation with minimal post-processing, especially in thin-walled or highly detailed applications.
Q2: Is Merrell TPUH220 suitable for applications requiring abrasion resistance and flexibility over a wide temperature range?
A: Yes — as a thermoplastic polyurethane elastomer, Merrell TPUH220 delivers excellent dynamic flex fatigue resistance and maintains mechanical integrity from sub-zero to moderately elevated service temperatures. It is widely selected for demanding dynamic components such as seals, gaskets, and wearable device housings where repeated bending and surface wear are critical factors.
Q3: Can Merrell TPUH220 be blended or co-processed with other polymers?
A: Merrell TPUH220 exhibits good compatibility with several engineering thermoplastics, including certain polyesters and polyolefins, particularly when used as a toughening modifier. Compatibility should be verified through small-scale trials, as performance depends on interfacial adhesion, thermal history, and shear conditions during compounding.
Q4: How does Merrell TPUH220 perform in terms of hydrolytic stability?
A: Merrell TPUH220 features improved resistance to hydrolysis compared to ester-based TPUs, owing to its ether-type soft segment chemistry. While not fully hydrolysis-proof, it demonstrates reliable long-term performance in humid environments and intermittent water contact — making it appropriate for outdoor and semi-exposed applications.
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E-mail: wangxingqiang@ericwchem.com
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