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Excellent abrasion resistance for extended service life in demanding mechanical environments.
High tensile strength and elongation at break, ensuring superior toughness and impact resilience.
Good low-temperature flexibility down to –30 °C without significant loss of elasticity.
Outstanding oil and grease resistance, maintaining dimensional stability in hydrocarbon-rich conditions.
Excellent processability via extrusion, injection molding, and calendering with minimal thermal degradation.
Automotive interior trim components including instrument panel skins and door armrests.
Industrial hoses and pneumatic tubing requiring high flex fatigue resistance.
Protective covers and gaskets for electronic enclosures and medical devices.
High-performance footwear midsoles and outsoles demanding rebound and wear durability.
Roller coverings for printing, packaging, and material handling equipment.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Natural granules, free-flowing pellets |
| Appearance | Translucent ivory-colored pellets |
| Density (g/cm³) | 1.20–1.23 (ASTM D792) |
| Melt Flow Index (g/10 min) | 12–18 (at 210 °C/2.16 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 advantages of HF-3695A compared to conventional TPU grades?
A: HF-3695A is engineered for enhanced melt stability and lower viscosity during extrusion and injection molding, enabling smoother flow through fine-die profiles and improved surface finish in thin-walled parts. Its balanced thermal sensitivity supports wider processing windows without premature degradation.
Q2: Is HF-3695A suitable for applications requiring high abrasion resistance and flexibility at low temperatures?
A: Yes — HF-3695A delivers excellent retention of elasticity and impact resilience below 0°C, along with outstanding resistance to wear and scuffing under dynamic mechanical stress, making it well-suited for demanding flexible components such as automotive trim seals and industrial rollers.
Q3: Can HF-3695A be blended with other thermoplastics or elastomers?
A: HF-3695A exhibits good compatibility with selected polyesters, polycarbonates, and other TPU types when used in alloy formulations. Successful blending typically requires careful attention to thermal history, shear control, and phase morphology optimization — pilot-scale trials are recommended to confirm performance targets.
Q4: Does HF-3695A require drying before processing, and what are typical recommendations?
A: Yes — like most TPUs, HF-3695A is hygroscopic and must be thoroughly dried prior to melt processing. A standard recommendation is vacuum or desiccant drying at 80–90°C for 3–4 hours, with moisture content maintained below 0.05% to ensure optimal melt integrity and surface quality.
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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
