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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding elasticity and recovery performance across a wide temperature range (−30 °C to 80 °C).
Good oil, grease, and non-polar solvent resistance for industrial fluid-contact applications.
High transparency and clarity with low haze, suitable for optical-grade transparent components.
Easy processability via extrusion, injection molding, and blow molding without pre-drying.
Transparent protective films for electronic displays and touch panels.
Flexible tubing and bellows for pneumatic and hydraulic control systems.
Soft-touch overmolding on automotive interior trim and instrument panels.
Seals and gaskets requiring dimensional stability and compression set resistance.
Medical-grade catheter tubing and wearable device components (ISO 10993-compliant formulation).
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Translucent, uniform cylindrical pellets |
| Density (g/cm³) | 1.18–1.20 (ASTM D792) |
| Melt Flow Index (g/10 min) | 12–16 (210 °C/10 kg, ASTM D1238) |
| Shore A Hardness | 95 ± 2 (ASTM D2240) |
| Tensile Strength (MPa) | ≥ 42 (ASTM D412) |
| Elongation at Break (%) | ≥ 550 (ASTM D412) |
Q1: What are the key processing methods suitable for HF-4195A?
A: HF-4195A is designed for melt-processing techniques including extrusion, injection molding, and blow molding. Its balanced melt viscosity and thermal stability support consistent flow and good surface finish across these methods, especially in thin-wall or high-detail applications.
Q2: How does HF-4195A perform in terms of abrasion resistance and flexibility?
A: HF-4195A delivers excellent abrasion resistance combined with high elasticity and low-temperature flexibility—making it well-suited for dynamic applications such as footwear uppers, sporting goods components, and protective gear where repeated flexing and surface wear are expected.
Q3: Is HF-4195A compatible with common thermoplastic substrates for co-extrusion or lamination?
A: Yes—HF-4195A exhibits good interfacial adhesion with polyesters (e.g., PET, PBT), polyolefins (with appropriate primers or tie layers), and other polar thermoplastics. Compatibility should be verified under actual processing conditions due to sensitivity to moisture and thermal history.
Q4: What drying requirements should be followed before processing?
A: As a hygroscopic TPU, HF-4195A must be thoroughly dried prior to processing. A typical recommendation is drying at 80–90 °C for 3–4 hours in a desiccant dryer, with moisture content maintained below 0.05% to prevent hydrolysis and surface defects.
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