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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 during exposure to hydrocarbon-based fluids.
High melt flow index enabling efficient processing via extrusion, injection molding, and blow molding.
Consistent batch-to-batch quality with tight control over hardness and molecular weight distribution.
Automotive interior components including instrument panel skins and door trim overlays.
Industrial hoses and pneumatic tubing requiring fatigue resistance and pressure retention.
High-performance footwear midsoles and outsoles for athletic and work footwear.
Conveyor belts and modular belt links in food processing and packaging equipment.
Medical device tubing and protective sheathing where biocompatibility support is required.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Pellets |
| Appearance | Off-white to light beige granules |
| Shore A Hardness (ASTM D2240) | 85 ± 2 |
| Melt Flow Index (230 °C/2.16 kg, ASTM D1238) | 15–20 g/10 min |
| Density (ASTM D792) | 1.18–1.20 g/cm³ |
| Moisture Content (ASTM D6980) | ≤ 0.05 wt% |
| Primary Applications | Extruded profiles, molded parts, flexible tubing, and wear-resistant surfaces |
Q1: What are the primary processing methods suitable for WHT-8190?
A: WHT-8190 is designed for melt-processing techniques including extrusion, injection molding, and blow molding. Its balanced melt viscosity and thermal stability support consistent processing across standard TPU equipment without requiring specialized hardware or extreme temperature adjustments.
Q2: How does WHT-8190 perform in applications requiring abrasion resistance and flexibility?
A: WHT-8190 delivers excellent dynamic mechanical performance, combining high tensile strength with outstanding elongation and rebound resilience. It maintains flexibility at low temperatures while resisting wear and cut growth—making it well-suited for demanding applications such as high-performance cables, protective films, and elastic components subject to repeated flexing.
Q3: Is WHT-8190 compatible with common thermoplastic matrices like PVC or polyolefins?
A: WHT-8190 exhibits good compatibility with polar polymers such as PVC and certain engineering thermoplastics, particularly when used as a modifier to enhance elasticity and impact resistance. Compatibility with non-polar resins like PP or PE is limited and typically requires compatibilizers or functionalized grades for effective blending.
Q4: Does WHT-8190 require drying before processing?
A: Yes—like most hygroscopic TPU elastomers, WHT-8190 should be thoroughly dried prior to melt processing. Recommended drying conditions are typically 80–90 °C for 3–4 hours under dehumidified air, depending on ambient humidity and material history. Inadequate drying may lead to surface defects, reduced mechanical properties, or splay during processing.
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