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Excellent abrasion resistance for extended service life in dynamic applications.
High mechanical strength and tear resistance with balanced elasticity.
Good low-temperature flexibility down to –30 °C.
Outstanding processability via injection molding and extrusion.
Hydrolysis-resistant formulation suitable for humid or cyclic moisture environments.
Automotive interior trim components including gear knobs and soft-touch surfaces.
Industrial hoses and pneumatic tubing requiring kink resistance and pressure stability.
Consumer electronics protective casings and wearable device bands.
Footwear midsoles and outsole compounds demanding rebound and durability.
Medical tubing and non-implantable fluid-handling components compliant with ISO 10993-5.
| Chemical Type | Thermoplastic Polyurethane (TPU), Polyester-based |
| Product Form | Natural-colored granules, free-flowing |
| Appearance | Opaque, beige to light tan pellets |
| Density (g/cm³) | 1.20–1.23 (at 23 °C, ASTM D792) |
| Melt Flow Index (g/10 min) | 10–14 (at 210 °C / 5 kg, ASTM D1238) |
| Shore A Hardness | 90 ± 2 (ASTM D2240) |
| Tensile Strength (MPa) | 38–42 (ASTM D412) |
| Elongation at Break (%) | 450–520 (ASTM D412) |
Q1: What is the primary function of BASF B90A 10 in thermoplastic polyurethane (TPU) formulations?
A: BASF B90A 10 is a specialized TPU elastomer grade designed to enhance melt processability and improve mechanical resilience in extruded or injection-molded TPU parts, particularly where balanced hardness, elasticity, and surface finish are required.
Q2: Is BASF B90A 10 compatible with other common TPU grades or polymer blends?
A: Yes, B90A 10 exhibits good compatibility with aromatic and aliphatic TPU resins, as well as with certain engineering thermoplastics such as PC and ABS in tailored alloy systems—though compatibility testing under actual processing conditions is recommended for each specific formulation.
Q3: What processing methods are most suitable for BASF B90A 10?
A: This grade is optimized for conventional thermoplastic processing techniques including injection molding, extrusion, and blow molding. It demonstrates stable melt flow and low die swell, supporting consistent part geometry and reduced post-processing trimming.
Q4: How does BASF B90A 10 perform under dynamic mechanical stress or repeated flexing?
A: B90A 10 offers excellent fatigue resistance and long-term elastic recovery, making it well-suited for applications involving cyclic loading—such as automotive interior trims, wearable device components, and flexible industrial hoses.
Q5: Are there any special drying or handling requirements prior to processing?
A: As with most hygroscopic TPUs, pre-drying at 70–80 °C for 2–4 hours is strongly advised to minimize moisture-induced degradation during melt processing and ensure optimal mechanical performance and surface quality.
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