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Excellent abrasion resistance for extended service life in demanding mechanical environments.
High elasticity and recovery performance, maintaining shape integrity after repeated deformation.
Good low-temperature flexibility down to –30 °C without significant stiffness increase.
Outstanding oil and grease resistance, suitable for contact with hydrocarbon-based lubricants.
Process-friendly melt viscosity enabling stable extrusion and injection molding operations.
Automotive interior trim components including instrument panel overlays and door armrests.
Industrial rollers and conveyor belt covers requiring wear-resistant surface layers.
Flexible hoses and fluid transfer tubing for hydraulic and pneumatic systems.
Protective casings and gaskets for electronic enclosures and portable equipment.
Footwear midsoles and outsoles where dynamic cushioning and durability are critical.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing granules |
| Hardness (Shore A) | 85 ± 2 |
| Melt Flow Index (2.16 kg, 200 °C) | 15–20 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Tensile Strength | ≥35 MPa |
| Elongation at Break | ≥450% |
Q1: What are the key processing advantages of WHT-6235 compared to conventional TPU grades?
A: WHT-6235 offers enhanced melt flow stability and reduced viscosity sensitivity during extrusion and injection molding, enabling smoother processing at lower shear rates and improved surface finish in thin-walled or complex geometries.
Q2: Is WHT-6235 suitable for applications requiring good low-temperature flexibility and abrasion resistance?
A: Yes — WHT-6235 is engineered to maintain excellent elasticity and toughness down to sub-zero temperatures while delivering superior resistance to mechanical wear, making it well-suited for demanding dynamic applications such as automotive trim, industrial rollers, and high-performance footwear components.
Q3: Can WHT-6235 be blended with other thermoplastics or elastomers?
A: WHT-6235 demonstrates good compatibility with several engineering thermoplastics including certain polyesters and polyolefins when used with appropriate compatibilizers; however, thorough formulation testing is recommended to verify phase stability and performance retention in final blends.
Q4: How does WHT-6235 perform under prolonged UV exposure and outdoor weathering?
A: While WHT-6235 exhibits moderate inherent UV stability, long-term outdoor use typically requires stabilization with HALS-type light stabilizers and/or UV absorbers to prevent surface chalking, discoloration, and loss of mechanical integrity.
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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
