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Excellent abrasion resistance for demanding dynamic applications.
High tensile strength and elongation at break for superior mechanical performance.
Good low-temperature flexibility down to –30 °C.
Outstanding oil and grease resistance, maintaining integrity in hydrocarbon-rich environments.
Processable via standard thermoplastic techniques including extrusion, injection molding, and blow molding.
Automotive interior trim components requiring soft-touch feel and durability.
Industrial hoses and tubing exposed to oils, solvents, and mechanical stress.
Consumer electronics protective casings with impact absorption and aesthetic finish.
Medical device tubing and non-implantable components compliant with ISO 10993-5 (cytotoxicity).
Footwear midsoles and outsoles offering rebound resilience and wear resistance.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane (TPU) |
| Product Form | Pellets |
| Appearance | Off-white to light tan, free-flowing granules |
| Primary Applications | Extruded profiles, molded parts, flexible tubing, soft-touch overmolding |
| Key Features | Abrasion resistance, oil resistance, low-temperature flexibility, processability |
| Benefits | Reduced part wear, extended service life, design freedom for complex geometries |
| Processing Temperature Range | 180–220 °C (recommended melt temperature) |
| Compliance | Meets RoHS Directive 2011/65/EU; not intended for food contact or implantation |
Q1: What is the primary functional role of Lubrizol 58214NAT021/22 in TPU formulations?
A: Lubrizol 58214NAT021/22 is a specialized additive designed to enhance melt processability and surface aesthetics of thermoplastic polyurethane (TPU) compounds, particularly by reducing extrusion torque, improving flow uniformity, and minimizing die build-up during high-speed processing.
Q2: Is this product compatible with all major TPU chemistries (e.g., polyester-, polyether-, and polycaprolactone-based TPUs)?
A: Yes, Lubrizol 58214NAT021/22 demonstrates broad compatibility across common TPU base resins, including polyester-, polyether-, and polycaprolactone-based systems. Performance optimization may vary depending on polymer polarity, molecular weight, and thermal history, so formulation-specific evaluation is recommended.
Q3: How should Lubrizol 58214NAT021/22 be incorporated into TPU compounds?
A: It is typically introduced via masterbatch dilution or direct dry-blend addition prior to extrusion. For optimal dispersion, it is recommended to use standard compounding equipment under controlled temperature profiles—avoiding prolonged exposure above the TPU’s degradation threshold—and to ensure thorough mixing before final melt processing.
Q4: Does this additive affect the mechanical or long-term performance of finished TPU parts?
A: When used within typical dosage ranges, Lubrizol 58214NAT021/22 does not adversely impact key mechanical properties such as tensile strength, elongation at break, or hardness. Long-term stability—including resistance to heat aging and UV exposure—is generally maintained, though final part performance should always be validated under application-specific conditions.
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E-mail: wangxingqiang@ericwchem.com
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