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Excellent abrasion resistance for demanding mechanical environments.
Good low-temperature flexibility down to –30 °C.
High melt flow index enabling efficient processing via extrusion and injection molding.
Outstanding oil and grease resistance for automotive and industrial sealing applications.
Consistent batch-to-batch performance supported by Lubrizol’s stringent quality control.
Automotive interior trim components including instrument panel skins and door panels.
Industrial hoses and fluid-conveying tubing requiring chemical resistance.
High-performance footwear midsoles and outsoles.
Flexible medical tubing where biocompatibility and clarity are critical.
Consumer electronics protective casings and wearable device components.
| Chemical Type | Thermoplastic Polyurethane (TPU), polyester-based |
| Product Form | Pellets |
| Appearance | Off-white to light amber, free-flowing pellets |
| Primary Applications | Extruded profiles, injection-molded parts, calendered films |
| Key Features | Abrasion resistance, oil resistance, low-temperature flexibility |
| Processing Method | Extrusion, injection molding, blow molding |
| Recommended Drying | 80–90 °C for 2–4 hours prior to processing |
| Storage Conditions | Store in original sealed packaging at <25 °C and <50% RH |
Q1: What is the primary function of Lubrizol T470A in TPU formulations?
A: Lubrizol T470A is a specialty additive designed to enhance melt processability and reduce extrusion torque in thermoplastic polyurethane (TPU) compounds, while helping maintain mechanical integrity and surface finish.
Q2: Is T470A compatible with all major TPU chemistries (e.g., polyester-, polyether-, and polycaprolactone-based TPUs)?
A: Yes, T470A demonstrates broad compatibility across common TPU base resins, including aromatic and aliphatic variants. Compatibility should be verified under actual processing conditions due to formulation-specific interactions.
Q3: How is T470A typically incorporated into TPU production?
A: It is commonly added during compounding—either via side-feeding or masterbatch dilution—and disperses readily under standard melt-mixing conditions. Pre-drying is not required, though handling in low-humidity environments is recommended for optimal consistency.
Q4: Does T470A affect the final TPU’s clarity, color stability, or UV resistance?
A: T470A is formulated to minimize impact on optical properties and thermal stability. It does not introduce yellowing tendencies under typical processing temperatures and supports retention of inherent TPU clarity when used at recommended dosage levels.
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E-mail: wangxingqiang@ericwchem.com
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