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High melt flow index for excellent processability in extrusion and injection molding.
Outstanding abrasion resistance and mechanical toughness across a broad temperature range.
Good hydrolytic stability, enabling reliable performance in humid or wet environments.
Excellent clarity and low haze for transparent or translucent end-use applications.
Compatible with common plasticizers and additives for formulation flexibility.
Medical tubing and fluid delivery systems requiring biocompatibility support.
Thin-gauge extruded films for packaging and protective laminates.
Soft-touch overmolding on rigid substrates in consumer electronics and automotive interiors.
High-clarity protective covers and optical bonding layers in display assemblies.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Pellets |
| Appearance | Translucent, off-white pellets |
| Melt Flow Index (230 °C / 2.16 kg) | 18–22 g/10 min |
| Hardness (Shore A) | 90 ± 2 |
| Density (23 °C) | 1.20–1.23 g/cm³ |
| Primary Applications | Extrusion, injection molding, film casting |
| Key Features | Clarity, melt flow, abrasion resistance, hydrolytic stability |
Q1: What is the primary function of Lubrizol TPU D12T90 in thermoplastic polyurethane (TPU) formulations?
A: Lubrizol TPU D12T90 is a high-performance processing aid and melt-flow modifier designed to enhance extrusion efficiency, reduce melt viscosity, and improve surface finish in TPU compounds—without compromising mechanical properties or thermal stability.
Q2: Is Lubrizol TPU D12T90 compatible with common TPU base resins, including polyester- and polyether-based grades?
A: Yes, it demonstrates broad compatibility across major TPU chemistries, including aromatic and aliphatic polyester- and polyether-based systems. It disperses readily during standard compounding processes such as twin-screw extrusion.
Q3: How does Lubrizol TPU D12T90 affect the final product’s clarity and color stability?
A: It is formulated to support excellent optical clarity and minimal yellowing tendency in transparent or light-colored TPU applications, particularly when processed under controlled temperature conditions typical for sensitive TPU grades.
Q4: Can Lubrizol TPU D12T90 be used in applications requiring regulatory compliance for indirect food contact or medical devices?
A: While Lubrizol TPU D12T90 is not pre-certified for regulated end uses, its composition is based on non-volatile, high-molecular-weight components commonly assessed for functional additive safety. Formulators must conduct full regulatory evaluation—including migration testing and toxicological review—as part of their final product qualification process.
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