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High-performance thermoplastic elastomer (TPEE) with excellent balance of strength, elasticity, and processability.
Outstanding resistance to oils, greases, and many common industrial chemicals at elevated temperatures.
Excellent low-temperature flexibility down to –40 °C without significant loss of impact resistance.
Good UV and hydrolysis resistance, supporting long-term durability in demanding environments.
Black pigment masterbatch formulation (DYM100BK) ensures consistent coloration and eliminates need for additional colorants during processing.
Automotive under-hood components including air ducts, cable jackets, and sensor boots.
Industrial fluid handling systems such as fuel and hydraulic line connectors and seals.
Consumer appliance parts requiring repeated flexing and thermal cycling, e.g., power tool grips and cord reels.
Medical device housings and tubing where biocompatibility support (ISO 10993 tested) and sterilization resistance are critical.
Wire and cable jacketing for high-flex, high-reliability applications in robotics and automation.
| Chemical Type | Thermoplastic Polyester Elastomer (TPEE) |
| Product Form | Black pre-colored pellets |
| Appearance | Opaque black, free-flowing cylindrical pellets |
| Primary Applications | Dynamic sealing, flexible structural components, overmolding substrates |
| Key Features | Oil resistance, high resilience, melt-processable via injection molding and extrusion |
| Benefits | Reduced part count vs. multi-material assemblies; recyclable thermoplastic alternative to vulcanized rubber |
| Processing Method | Injection molding, extrusion, blow molding |
| Regulatory Compliance | Meets UL 94 HB flammability rating; RoHS compliant |
Q1: What is the primary distinction between Hytrel DYM100BK and standard Hytrel TPEE grades?
A: Hytrel DYM100BK is a pre-colored, black masterbatch formulation based on Hytrel thermoplastic polyester elastomer, designed for simplified processing and consistent coloration without requiring additional pigment dispersion. It retains the core mechanical resilience, thermal stability, and chemical resistance of standard Hytrel TPEEs while offering enhanced handling efficiency in extrusion and injection molding.
Q2: Is Hytrel DYM100BK suitable for applications requiring repeated flexing or dynamic mechanical loading?
A: Yes — as a TPEE-based material, DYM100BK exhibits excellent fatigue resistance, high tensile strength, and outstanding recovery after repeated deformation, making it well-suited for components such as bellows, couplings, grommets, and flexible housings exposed to cyclic stress.
Q3: Can Hytrel DYM100BK be overmolded onto other thermoplastics?
A: Yes — DYM100BK demonstrates good adhesion to common engineering thermoplastics such as polypropylene (PP), ABS, and polycarbonate (PC) when processed under appropriate temperature and surface preparation conditions. Bond strength depends on mold design, interfacial temperature control, and substrate compatibility.
Q4: How does moisture affect processing and final part performance?
A: Like most TPEEs, Hytrel DYM100BK is hygroscopic and should be dried prior to processing — typically at 80–100 °C for 2–4 hours — to minimize splay, voids, or hydrolytic degradation during melt processing. Proper drying helps maintain mechanical integrity and surface quality in finished parts.
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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
