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Excellent abrasion resistance for demanding dynamic applications.
Outstanding low-temperature flexibility down to –40 °C.
Good hydrolytic stability suitable for humid or wet environments.
High tensile strength and elongation at break for durable elastomeric performance.
Compatible with common processing methods including extrusion, injection molding, and calendering.
Industrial hoses and tubing requiring flex fatigue resistance.
Footwear components such as midsoles and outsoles.
Automotive interior trim and soft-touch overmolded parts.
Medical tubing and non-implantable device components.
Consumer electronics protective cases and grips.
| Chemical Type | Thermoplastic Polyurethane (TPU), polyester-based |
| Product Form | Pellets |
| Appearance | Off-white to light tan, free-flowing pellets |
| Hardness (Shore A) | 55 ± 3 |
| Density (g/cm³) | 1.18–1.22 |
| Melt Flow Index (230 °C/2.16 kg) | 15–25 g/10 min |
| Primary Applications | Extruded profiles, molded elastomeric parts, flexible tubing |
| Key Features | Abrasion resistance, low-temperature flexibility, processability |
Q1: What is Lubrizol TPU 2363-55DE primarily used for?
A: Lubrizol TPU 2363-55DE is a thermoplastic polyurethane-based additive designed to enhance melt processability, surface finish, and low-temperature flexibility in TPU and other polar polymer systems—commonly applied in extrusion, injection molding, and calendering of high-performance elastomeric compounds.
Q2: Is this grade compatible with polyester-based TPUs?
A: Yes, TPU 2363-55DE exhibits good compatibility with both polyester- and polyether-based TPUs due to its tailored polarity and molecular architecture, supporting homogeneous dispersion without phase separation under standard processing conditions.
Q3: How should TPU 2363-55DE be incorporated into a formulation?
A: It is typically introduced during compounding—either pre-blended with base resin or fed directly into the extruder hopper. For optimal dispersion, gentle mixing at moderate shear and temperatures below the decomposition onset is recommended; dosage generally ranges from 0.1% to 2% by weight, depending on the desired performance balance.
Q4: Does this product require drying before processing?
A: While not hygroscopic to the extent of many engineering thermoplastics, it is advisable to store TPU 2363-55DE in sealed containers and condition it briefly (e.g., 2–4 hours at 60–70 °C) if exposed to high humidity prior to high-sensitivity processing, to ensure consistent rheological behavior and surface quality.
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