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Excellent melt processability for efficient extrusion and injection molding
High abrasion resistance suitable for demanding mechanical environments
Good low-temperature flexibility down to –30 °C
Outstanding elasticity and recovery after deformation
Compatible with common plasticizers and polymer blends for formulation flexibility
Automotive interior trim and soft-touch components
Industrial hoses and fluid transfer tubing
Consumer electronics protective casings and grips
Medical device tubing and non-implantable wearable components
Footwear midsoles and performance outsoles
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing pellets |
| Primary Applications | Extruded profiles, injection-molded parts, blow-molded articles |
| Key Features | Melt flow index (230 °C/2.16 kg): 12–16 g/10 min |
| Benefits | Enhanced surface aesthetics and reduced cycle times vs. conventional TPU grades |
| Processing Guidance | Recommended drying: 80–90 °C for 4–6 hours prior to processing |
Q1: What is Lubrizol TPU 127K primarily used for?
A: Lubrizol TPU 127K is a thermoplastic polyurethane-based additive designed to enhance melt processability, surface finish, and low-temperature flexibility in thermoplastic elastomer (TPE) and thermoplastic polyurethane (TPU) compounds. It is commonly incorporated into extruded or injection-molded parts requiring improved flow, reduced die buildup, or enhanced tactile properties.
Q2: Is Lubrizol TPU 127K compatible with other polymer systems beyond TPU?
A: Yes — while optimized for TPU and TPE formulations, TPU 127K demonstrates good compatibility with certain polyesters, copolyester elastomers (COPE), and some styrenic block copolymers. Compatibility should always be verified through preliminary testing, as performance depends on base resin polarity, molecular weight, and processing conditions.
Q3: How is Lubrizol TPU 127K typically incorporated into a formulation?
A: It is generally introduced via dry blending or side-stream feeding prior to extrusion or injection molding. Due to its thermoplastic nature, it melts and disperses readily during standard melt processing without requiring pre-drying or special handling beyond typical TPU storage conditions.
Q4: Does Lubrizol TPU 127K affect the mechanical properties of the final compound?
A: At recommended use levels, it typically maintains or slightly improves elongation and low-temperature impact resistance while preserving tensile strength and hardness. Significant dosage increases may reduce modulus and hardness, so optimization is advised based on end-use performance requirements.
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E-mail: wangxingqiang@ericwchem.com
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