English
Español
tiếng việt
русский
Excellent abrasion resistance for demanding mechanical environments.
Superior low-temperature flexibility down to –30 °C.
Good hydrolysis resistance, suitable for humid or wet-condition applications.
High tensile strength and elongation at break for dynamic part performance.
Compatible with common thermoplastic processing methods including extrusion and injection molding.
Automotive interior trim components (e.g., instrument panel skins, door armrests).
Industrial hoses and pneumatic tubing requiring flexibility and durability.
Protective overmolding for electronic connectors and handheld device housings.
Footwear midsoles and outsole compounds for athletic and work footwear.
Conveyor belts and wear-resistant linings in material handling systems.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Off-white to light yellow translucent granules |
| Hardness (Shore A) | 85 ± 2 |
| Density (g/cm³) | 1.18–1.22 |
| Melt Flow Index (230 °C/2.16 kg, g/10 min) | 12–16 |
| Tensile Strength (MPa) | ≥32 |
| Elongation at Break (%) | ≥550 |
Q1: What are the key processing advantages of HF-3785AU compared to conventional TPU grades?
A: HF-3785AU offers enhanced melt flow stability and reduced torque demand during extrusion and injection molding, enabling smoother processing at lower barrel temperatures and shorter cycle times—particularly beneficial for thin-wall and high-precision parts.
Q2: Is HF-3785AU suitable for applications requiring abrasion resistance and flexibility at low temperatures?
A: Yes. As a polyester-based TPU elastomer, HF-3785AU delivers excellent balance between mechanical toughness and low-temperature flexibility, making it well-suited for dynamic components such as cable jackets, wear-resistant footwear soles, and automotive interior trim exposed to variable thermal conditions.
Q3: Can HF-3785AU be co-extruded or overmolded with common engineering thermoplastics?
A: HF-3785AU demonstrates good interfacial adhesion with polypropylene (PP), ABS, and certain PC/ABS blends when processed under optimized temperature and surface treatment conditions—making it viable for multi-material assemblies like soft-touch grips and dual-hardness seals.
Q4: How should HF-3785AU be dried prior to processing?
A: To ensure optimal melt stability and mechanical performance, HF-3785AU should be dried using desiccant-assisted equipment at 70–80 °C for 3–4 hours, achieving a moisture content below 0.05% before processing.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
