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Excellent abrasion resistance for demanding mechanical environments.
Outstanding low-temperature flexibility down to –40 °C.
Good hydrolytic stability, especially in humid or warm conditions.
High melt processability suitable for extrusion, injection molding, and blow molding.
Compatible with common engineering thermoplastics for co-processing and alloying.
Automotive interior trim components including soft-touch surfaces and gaskets.
Industrial hoses and fluid conveyance tubing requiring flexibility and chemical resistance.
Consumer electronics protective casings and overmolded grips.
Medical device tubing and non-implantable wearable components.
Footwear midsoles and outsoles requiring resilience and energy return.
| Chemical Type | Thermoplastic Polyurethane (TPU), polyester-based |
| Product Form | Pellets |
| Appearance | Off-white to light tan, free-flowing pellets |
| Primary Applications | Extrusion, injection molding, blow molding |
| Key Features | Abrasion resistance, low-temperature flexibility, hydrolytic stability |
| Benefits | Extended service life, design freedom, recyclability via thermal reprocessing |
| Density (ASTM D792) | 1.18–1.20 g/cm³ |
| Melt Flow Rate (230 °C/2.16 kg, ASTM D1238) | 10–14 g/10 min |
Q1: What is the primary function of Lubrizol 58213 in TPU formulations?
A: Lubrizol 58213 is a high-performance processing aid and surface modifier designed to enhance melt flow, reduce extrusion pressure, and improve surface gloss and release characteristics in thermoplastic polyurethane (TPU) compounds.
Q2: Is Lubrizol 58213 compatible with all major TPU chemistries (e.g., polyester- and polyether-based TPUs)?
A: Yes — Lubrizol 58213 demonstrates broad compatibility across common TPU base resins, including both polyester- and polyether-type systems, and has been validated in standard compounding and extrusion processes.
Q3: How does Lubrizol 58213 affect the mechanical properties of finished TPU parts?
A: When used at recommended dosage levels, Lubrizol 58213 typically preserves key mechanical performance attributes such as tensile strength, elongation, and abrasion resistance, while delivering consistent processability improvements.
Q4: What is the typical dosage range for Lubrizol 58213 in TPU masterbatches or direct-blend applications?
A: Dosage is formulation-dependent, but Lubrizol 58213 is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight of the total TPU system — with optimal levels determined through application-specific evaluation.
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E-mail: wangxingqiang@ericwchem.com
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