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Excellent melt processability for high-speed extrusion and injection molding.
Outstanding abrasion resistance and long-term mechanical durability.
Good low-temperature flexibility down to –30 °C.
Enhanced hydrolytic stability versus conventional polyester-based TPUs.
Compatible with common processing equipment without requiring drying beyond standard TPU protocols.
Automotive interior trim components (e.g., instrument panel skins, door armrests).
High-performance industrial hoses and fluid transfer tubing.
Wear-resistant conveyor belting and modular plastic chain components.
Medical device housings and non-implantable wearable components.
Consumer electronics protective casings and flexible cable jackets.
| Chemical Type | Polyester-based thermoplastic polyurethane elastomer |
| Product Form | Pellets |
| Appearance | Natural translucent granules |
| Primary Applications | Extrusion, injection molding, blow molding |
| Key Features | Hydrolysis resistance, abrasion resistance, melt stability |
| Benefits | Extended service life in humid environments, consistent part quality at high throughput |
| Processing Temperature Range (°C) | 190–220 |
| Density (g/cm³) | 1.18–1.20 |
Q1: What is the primary functional role of Lubrizol 58212NAT021/22 in TPU formulations?
A: Lubrizol 58212NAT021/22 is a specialized additive designed to enhance melt processability and surface aesthetics of thermoplastic polyurethane (TPU) compounds, particularly by reducing melt viscosity and improving flow uniformity during extrusion or injection molding.
Q2: Is this product compatible with aromatic and aliphatic TPU base resins?
A: Yes, Lubrizol 58212NAT021/22 has demonstrated broad compatibility across both aromatic and aliphatic TPU chemistries, supporting consistent performance in diverse formulation systems without compromising mechanical integrity or thermal stability.
Q3: How does Lubrizol 58212NAT021/22 affect post-processing characteristics such as thermoforming or welding?
A: The additive promotes more uniform heat distribution and reduced internal stress during thermoforming, while also supporting improved weld seam strength and consistency in high-frequency or hot-air welding applications—without negatively impacting final part clarity or flexibility.
Q4: Can Lubrizol 58212NAT021/22 be used in medical-grade TPU applications?
A: While Lubrizol 58212NAT021/22 is not pre-qualified for regulatory submissions, it is formulated without intentionally added heavy metals, phthalates, or known allergens, and may be considered for evaluation in medical device applications where full biocompatibility testing and regulatory validation are performed by the end-user.
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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
