English
Español
tiếng việt
русский
Excellent abrasion resistance for high-durability end products.
Outstanding flexibility and elasticity across a wide temperature range (–30 °C to 80 °C).
Good oil, grease, and solvent resistance suitable for demanding industrial environments.
High transparency and gloss retention after processing and aging.
Easy processability via extrusion, injection molding, and calendering without pre-drying.
Transparent protective films for electronics and automotive interior trim.
Soft-touch overmolding for consumer electronics housings and medical device components.
Flexible tubing and bellows in pneumatic and fluid handling systems.
High-clarity gaskets and seals requiring dimensional stability and resilience.
Wear-resistant shoe components including midsoles and outsole overlays.
| Chemical Type | Aliphatic Polyester-Based Thermoplastic Polyurethane |
| Product Form | Pellets (Standard 3–4 mm diameter) |
| Appearance | Translucent, off-white to light amber granules |
| Hardness (Shore A) | 80 ± 2 |
| Melt Flow Index (210 °C / 2.16 kg) | 15–22 g/10 min |
| Density (23 °C) | 1.18–1.20 g/cm³ |
| Moisture Content (as received) | ≤ 0.15 wt% |
| Primary Applications | Transparent elastomeric parts requiring clarity, flexibility & chemical resilience |
Q1: What are the key processing advantages of EX-80A compared to conventional TPU grades?
A: EX-80A offers enhanced melt stability and lower melt viscosity during extrusion and injection molding, enabling smoother flow through fine-die profiles and improved surface finish in thin-walled parts. Its optimized thermal profile also supports faster cycle times and reduced risk of thermal degradation during high-throughput production.
Q2: Is EX-80A suitable for applications requiring long-term flexibility and low-temperature performance?
A: Yes — EX-80A is formulated with a balanced soft-segment/hard-segment architecture that delivers excellent low-temperature flexibility down to approximately −30 °C and maintains elastic recovery after repeated flexing or compression, making it well-suited for dynamic components such as seals, gaskets, and wearable device housings.
Q3: Can EX-80A be blended with other thermoplastics or elastomers?
A: EX-80A demonstrates good compatibility with several engineering thermoplastics including ABS, PC, and certain polyolefins when used with appropriate compatibilizers. Blending is commonly applied to modify hardness, impact resistance, or processability — however, pre-testing for phase morphology and mechanical integrity under end-use conditions is strongly recommended.
Q4: How does EX-80A perform in terms of abrasion resistance and hydrolytic stability?
A: EX-80A exhibits superior abrasion resistance relative to many standard polyester-based TPUs, particularly in dry and moderately humid environments. Its molecular design also provides improved resistance to hydrolysis compared to conventional polyester TPUs, though prolonged exposure to warm, high-humidity conditions or acidic/alkaline media may still affect long-term performance.
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
