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Excellent melt processability for extrusion and injection molding.
Outstanding abrasion resistance and mechanical toughness.
Good low-temperature flexibility down to –30 °C.
Enhanced hydrolytic stability compared to conventional polyester-based TPUs.
Consistent colorability and surface finish for premium aesthetic applications.
Wire and cable jacketing for demanding industrial environments.
Flexible hoses and fluid transfer tubing in automotive and hydraulic systems.
High-performance footwear midsoles and outsoles.
Medical tubing requiring biocompatibility and kink resistance.
Consumer electronics protective casings and wearable device components.
| Chemical Type | Ether-based thermoplastic polyurethane (TPU) |
| Product Form | Pellets |
| Appearance | Off-white to light tan, free-flowing pellets |
| Hardness (Shore A) | 80 ± 2 |
| Melt Flow Rate (190 °C/2.16 kg) | 10–14 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Primary Applications | Extrusion, injection molding, blow molding |
| Key Features | Hydrolysis resistance, low-temperature performance, processing versatility |
Q1: What is Lubrizol TPU EG-80A primarily used for?
A: Lubrizol TPU EG-80A is a thermoplastic polyurethane-based processing aid designed to improve melt flow, reduce extrusion pressure, and enhance surface finish in rigid PVC compounds—especially in high-output profiles, pipes, and window systems.
Q2: Is EG-80A compatible with common PVC stabilizer systems?
A: Yes, EG-80A demonstrates broad compatibility with calcium-zinc, lead-free organotin, and mixed-metal stabilizers typically used in rigid PVC formulations. It does not interfere with thermal stability or long-term color retention under standard processing conditions.
Q3: How is EG-80A typically incorporated into PVC compound formulations?
A: EG-80A is generally added during the dry-blend stage alongside PVC resin and other additives. It disperses readily in high-shear mixers and does not require pre-dilution or special handling—making it suitable for conventional compounding lines.
Q4: Does EG-80A affect the mechanical properties of finished PVC products?
A: When used at recommended dosage levels, EG-80A has minimal impact on tensile strength, impact resistance, or modulus. Its primary role is rheological modification—not reinforcement—so final part performance remains consistent with baseline formulations.
Q5: Can EG-80A be used in applications requiring low-volatility or low-extractables performance?
A: Yes—EG-80A exhibits low volatility under typical PVC processing temperatures and shows negligible extractables in aqueous and alcoholic media, supporting its suitability for applications where low migration and odor control are valued.
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