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Excellent melt processability for high-speed extrusion and injection molding
Outstanding abrasion resistance and mechanical toughness across a broad temperature range
Good hydrolytic stability, especially in warm, humid environments
Low-temperature flexibility with retained elasticity down to –30 °C
Compatible with common colorants and additives for custom formulation development
High-performance automotive interior trim components (e.g., soft-touch overlays, bezels)
Medical tubing and fluid handling systems requiring biocompatibility support
Durable consumer electronics casings and protective overmolds
Industrial hoses and pneumatic seals demanding dynamic fatigue resistance
Footwear midsoles and performance outsoles requiring rebound and energy return
| Chemical Type | Thermoplastic Polyurethane (TPU), polyester-based |
| Product Form | Natural-colored pellets |
| Appearance | Opaque, uniform cylindrical pellets |
| Primary Applications | Extrusion, injection molding, overmolding |
| Key Features | High tensile strength, excellent tear resistance, good UV stability |
| Benefits | Reduced cycle times, consistent part quality, recyclable within closed-loop processes |
| Processing Temperature Range | 180–220 °C (recommended melt temp) |
| Storage Conditions | Store in dry, cool conditions; desiccant drying recommended prior to processing |
Q1: What is the primary function of Lubrizol 5799 in TPU formulations?
A: Lubrizol 5799 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 5799 compatible with all major TPU chemistries (e.g., polyester- and polyether-based TPUs)?
A: Yes, Lubrizol 5799 demonstrates broad compatibility across common TPU base resins, including both polyester- and polyether-type systems, and has been successfully incorporated into aromatic and aliphatic TPU grades.
Q3: How is Lubrizol 5799 typically incorporated into TPU production?
A: It is commonly added during compounding—either via side-feeding or masterbatch dilution—and is fully dispersible under standard TPU extrusion conditions without requiring pre-drying or special handling beyond standard TPU processing guidelines.
Q4: Does Lubrizol 5799 affect the mechanical properties of the final TPU product?
A: When used within recommended dosage ranges, Lubrizol 5799 maintains key mechanical performance attributes—including tensile strength, elongation, and abrasion resistance—while delivering consistent processing benefits.
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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
