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Excellent balance of thermoplastic processability and elastomeric performance.
High tensile strength and superior resilience at elevated temperatures.
Outstanding resistance to oils, greases, and common industrial solvents.
Good low-temperature flexibility with minimal loss of elasticity down to −40 °C.
Compatible with standard injection molding, extrusion, and blow molding equipment.
Automotive under-hood components including air ducts and sensor housings.
Industrial hoses and fluid transfer tubing requiring chemical and pressure resistance.
High-performance sporting goods such as ski bindings and bicycle suspension parts.
Consumer electronics casings and protective covers demanding impact absorption and aesthetics.
Medical device components requiring biocompatibility support (ISO 10993 pre-screened).
| Chemical Type | Thermoplastic Polyester Elastomer (TPEE) |
| Product Form | Pellets |
| Appearance | Off-white to light beige granules |
| Primary Applications | Dynamic mechanical parts, flexible structural components |
| Key Features | High melt flow index (MFI), excellent fatigue resistance |
| Benefits | Reduced cycle time in processing; long service life under cyclic stress |
| Processing Method | Injection molding, extrusion, blow molding |
| Storage Conditions | Store in dry, cool environment (<25 °C); desiccant recommended for prolonged storage |
Q1: What is the primary application domain for WRT-135/55 TPEE?
A: WRT-135/55 TPEE is primarily used in high-performance thermoplastic elastomer applications requiring excellent resilience, low-temperature flexibility, and good processability—such as automotive interior trim components, industrial hoses, and dynamic seals.
Q2: How does WRT-135/55 compare to conventional polyester-based TPEEs in terms of melt processing?
A: WRT-135/55 offers improved melt flow and reduced viscosity compared to many standard TPEEs, enabling easier extrusion and injection molding—particularly beneficial for thin-walled or complex geometries—without sacrificing mechanical recovery.
Q3: Is WRT-135/55 compatible with common engineering plastics for co-injection or alloying?
A: Yes, WRT-135/55 demonstrates good compatibility with polyesters (e.g., PET, PBT) and certain polyamides, making it suitable for thermoplastic elastomer alloys where enhanced toughness and dimensional stability are required.
Q4: What are the recommended drying conditions prior to processing?
A: To ensure optimal mechanical properties and surface quality, WRT-135/55 should be dried at 80–100 °C for 2–4 hours using desiccant-assisted drying. Moisture content should be maintained below 50 ppm before processing.
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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
