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Excellent melt processability for high-speed extrusion and injection molding.
Outstanding abrasion resistance and mechanical toughness at low temperatures.
Good hydrolytic stability suitable for humid or wet-end processing environments.
Low compression set with superior elastic recovery in dynamic sealing applications.
Compatible with common polyurethane additives and pigments for color-stable formulations.
Automotive interior trim components including door panels and instrument bezels.
Industrial hoses and pneumatic tubing requiring flexibility and kink resistance.
Consumer electronics protective casings and wearable device straps.
Medical tubing and non-implantable fluid handling components.
Footwear midsoles and outsole overlays demanding rebound and durability.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Pellets |
| Appearance | Off-white to light tan, free-flowing cylindrical pellets |
| Primary Applications | Extrusion, injection molding, blow molding |
| Key Features | High elasticity, low-temperature flexibility, good UV resistance |
| Benefits | Reduced cycle times, excellent surface finish, recyclable within TPU stream |
| Density (g/cm³) | 1.20–1.23 (ASTM D792) |
| Melt Flow Rate (g/10 min) | 12–16 (220 °C / 10 kg, ASTM D1238) |
Q1: What is the primary function of Lubrizol TPU TT-2085A-B40 in thermoplastic polyurethane (TPU) formulations?
A: Lubrizol TPU TT-2085A-B40 is a high-performance processing aid and surface modifier designed to enhance melt flow, reduce extrusion torque, and improve surface gloss and clarity in TPU compounds—particularly in demanding applications such as thin-gauge films and precision extrusions.
Q2: Is TT-2085A-B40 compatible with aromatic and aliphatic TPU base resins?
A: Yes, TT-2085A-B40 demonstrates broad compatibility across both aromatic and aliphatic TPU systems. Its molecular design enables stable dispersion without phase separation or haze formation under typical processing conditions.
Q3: How does TT-2085A-B40 affect the mechanical properties of finished TPU parts?
A: When used at recommended dosage levels, TT-2085A-B40 maintains key mechanical performance—including tensile strength, elongation, and tear resistance—while significantly improving processability. It is not intended to act as a reinforcing or plasticizing agent.
Q4: Can TT-2085A-B40 be used in applications requiring regulatory compliance for food contact or medical devices?
A: TT-2085A-B40 is not pre-approved for direct food-contact or medical device applications. Formulators must conduct full regulatory evaluation—including compatibility testing and migration assessment—within their specific end-use system and jurisdiction before commercial use in regulated markets.
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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
