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Excellent abrasion resistance for extended service life in demanding mechanical environments.
High tensile strength and elongation at break, ensuring superior elasticity and recovery performance.
Good low-temperature flexibility down to –30 °C without significant loss of elasticity.
Outstanding oil, grease, and hydrocarbon resistance suitable for industrial fluid-contact applications.
Processable via standard thermoplastic methods including extrusion, injection molding, and calendering.
Industrial hoses and hydraulic tubing requiring high pressure and chemical resilience.
Roller covers and conveyor belts for material handling systems in mining and manufacturing.
Automotive trim components and protective seals exposed to oils and temperature fluctuations.
Footwear midsoles and outsoles where energy return and wear resistance are critical.
3D printing filaments for functional prototypes requiring toughness and dimensional stability.
| Chemical Type | Aromatic polyether-based thermoplastic polyurethane (TPU) |
| Product Form | Pellets |
| Appearance | Off-white to light yellow translucent granules |
| Primary Applications | Extruded profiles, molded parts, flexible tubing, and engineered elastomeric components |
| Key Features | High resilience, excellent tear strength, good UV stability (with stabilizer package) |
| Benefits | Reduced part weight vs. rubber, recyclable scrap, faster cycle times than thermosets |
| Processing Temperature Range | 180–220 °C (recommended melt temperature) |
| Storage Condition | Store in dry, ventilated area at <25 °C; keep sealed to prevent moisture absorption |
Q1: What is the primary chemical composition and structural basis of HF-3070APU?
A: HF-3070APU is an aromatic polyether-based thermoplastic polyurethane elastomer, synthesized from MDI (diphenylmethane diisocyanate), a high-molecular-weight polyether diol, and a short-chain chain extender. Its backbone provides a balanced combination of thermal stability, mechanical resilience, and melt-processability.
Q2: Is HF-3070APU suitable for extrusion coating or film lamination applications?
A: Yes — HF-3070APU exhibits excellent melt stability and low die swell, making it well-suited for monolayer or coextruded film production, as well as adhesive-free lamination onto substrates such as polyester, nylon, and metallized films. Its inherent tack and interfacial adhesion support strong bond formation without requiring primers.
Q3: How does HF-3070APU perform under repeated flexing or dynamic bending conditions?
A: Due to its high elongation at break and excellent hysteresis recovery, HF-3070APU maintains dimensional integrity and surface appearance after prolonged cyclic deformation — a key advantage in flexible packaging, technical textiles, and wearable component applications.
Q4: Can HF-3070APU be blended with other thermoplastics or elastomers?
A: HF-3070APU demonstrates good compatibility with several engineering thermoplastics including PET, PC, and certain grades of polyolefins when used as a compatibilizer or impact modifier. Compatibility should be verified experimentally for each specific blend system and processing condition.
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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
