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Excellent balance of thermoplastic processability and elastomeric performance.
High resilience and fatigue resistance for dynamic mechanical applications.
Good chemical resistance to oils, greases, and common industrial solvents.
Outstanding low-temperature flexibility down to –40 °C.
Easy to process via injection molding, extrusion, and blow molding without pre-drying.
Automotive under-hood components including air ducts and sensor housings.
Industrial hoses and fluid transfer tubing requiring abrasion resistance.
High-performance sporting goods such as ski boots and bicycle grips.
Consumer electronics casings and protective covers demanding impact absorption.
Medical device tubing and seals compatible with ISO 10993–compatible processing.
| Chemical Type | Thermoplastic Polyester Elastomer (TPEE) |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing granules |
| Primary Applications | Dynamic structural parts, flexible connectors, wear-resistant components |
| Key Features | High tensile strength, rapid recovery, thermal stability up to 130 °C |
| Benefits | Reduced part weight vs. thermoset elastomers; recyclable and reprocessable |
| Density (g/cm³) | 1.18–1.22 |
| Melt Flow Rate (235 °C/2.16 kg, g/10 min) | 15–25 |
Q1: What are the key processing advantages of Zhongguang H3303 TPEE compared to conventional thermoplastic elastomers?
A: Zhongguang H3303 TPEE offers excellent melt stability and low viscosity at processing temperatures, enabling smooth extrusion and injection molding with reduced energy consumption. Its fast crystallization kinetics support shorter cycle times and improved dimensional stability in thin-walled parts.
Q2: Is H3303 TPEE suitable for applications requiring resistance to hydrolysis and elevated temperature exposure?
A: Yes — as a polyester-based thermoplastic elastomer, H3303 exhibits inherently superior resistance to hydrolysis, heat aging, and dynamic fatigue compared to many TPU or TPO alternatives. It maintains mechanical integrity under continuous use at temperatures up to approximately 120°C, depending on environmental conditions and stress levels.
Q3: Can H3303 be blended or co-processed with other polymers such as polyesters or polyolefins?
A: H3303 demonstrates good compatibility with aromatic polyesters (e.g., PET, PBT) and can be used in alloy formulations to enhance flexibility and impact performance. Compatibility with polyolefins is limited without compatibilizers; successful blending typically requires careful evaluation of interfacial adhesion and thermal history.
Q4: How does H3303 perform in terms of UV resistance and long-term outdoor durability?
A: While H3303 TPEE provides moderate inherent UV stability due to its molecular structure, prolonged outdoor exposure without stabilization may lead to surface embrittlement or discoloration. For extended outdoor service life, integration of appropriate UV absorbers and hindered amine light stabilizers (HALS) is recommended during compound formulation.
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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
