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Excellent abrasion resistance for extended service life in demanding mechanical environments.
High tensile strength and elongation at break, enabling superior elasticity and recovery performance.
Good low-temperature flexibility down to –40 °C without significant loss of toughness.
Outstanding oil, grease, and hydrocarbon resistance compared to conventional thermoplastics.
Processable via standard thermoplastic methods including extrusion, injection molding, and calendering.
Industrial hoses and fluid transfer tubing requiring chemical and flex fatigue resistance.
High-performance automotive components such as CVJ boots, air ducts, and grommets.
Durable footwear midsoles and outsoles demanding rebound resilience and wear resistance.
Conveyor belts and scraper blades exposed to abrasive particulates and dynamic loading.
Medical-grade tubing and non-implantable devices where biocompatibility and sterilizability are essential.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets (free-flowing, dry-blend compatible) |
| Appearance | Off-white to light amber translucent granules |
| Primary Applications | Extruded profiles, molded parts, coated fabrics, and flexible composites |
| Key Features | Abrasion resistance, elasticity, low-temperature flexibility, chemical resistance |
| Benefits | Reduced part replacement frequency, design freedom in complex geometries, recyclability within TPU stream |
| Processing Temperature Range | 180–220 °C (recommended melt temperature) |
| Storage Conditions | Store in original sealed packaging at <25 °C and <50% RH; dry before processing if exposed to humidity |
Q1: What are the key processing advantages of Merrell TPUH320 compared to conventional TPU grades?
A: Merrell TPUH320 offers enhanced melt flow and reduced viscosity during extrusion and injection molding, enabling smoother processing at lower temperatures and shorter cycle times. Its balanced hardness and elasticity support consistent part replication and reduced scrap rates in high-precision applications.
Q2: Is Merrell TPUH320 suitable for applications requiring resistance to hydrolysis and UV exposure?
A: Yes — as a polyester-based TPU elastomer with stabilized chemistry, Merrell TPUH320 demonstrates improved resistance to hydrolytic degradation under humid or elevated temperature conditions. For extended outdoor use, it is recommended to incorporate appropriate UV stabilizers into the final compound formulation.
Q3: Can Merrell TPUH320 be blended with other thermoplastics or elastomers?
A: Merrell TPUH320 shows good compatibility with several engineering thermoplastics such as PC, ABS, and certain polyesters when used with appropriate compatibilizers. Blending should be evaluated case-by-case, particularly regarding thermal stability windows and phase morphology requirements for end-use performance.
Q4: What surface finish characteristics can be expected when processing Merrell TPUH320?
A: Merrell TPUH320 typically yields excellent surface gloss and low haze in injection-molded or extruded parts. It supports fine texture replication and minimal flow-line visibility, making it well-suited for aesthetic-sensitive applications such as consumer electronics housings and wearable device components.
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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
