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Excellent abrasion resistance for demanding mechanical service life requirements.
Outstanding elasticity and recovery performance across a wide temperature range.
Good processability via injection molding and extrusion without thermal degradation.
High transparency and optical clarity suitable for aesthetic and functional transparent parts.
Low compression set ensuring long-term sealing and cushioning integrity.
Transparent protective covers and lenses for consumer electronics.
Soft-touch overmolded grips for power tools and medical handheld devices.
Flexible tubing and catheter components requiring biocompatibility support.
High-clarity gaskets and seals in optical and display assemblies.
Wear-resistant decorative trim and interior automotive soft-touch surfaces.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane (TPU) |
| Product Form | Pellets |
| Appearance | Transparent, translucent to slightly hazy, natural color |
| Primary Applications | Overmolding, extruded profiles, injection-molded transparent/soft-touch components |
| Key Features | High clarity, low yellowing, excellent elasticity, good hydrolysis resistance |
| Benefits | Enhanced part aesthetics, reliable dimensional stability, ease of processing on standard TPU equipment |
| Processing Method | Injection molding, extrusion, two-component (2K) co-injection |
| Compliance | Meets FDA 21 CFR §177.2600 for indirect food contact (subject to final formulation) |
Q1: What is the primary function of BASF 1198 A 10U in TPU formulations?
A: BASF 1198 A 10U is a liquid polymeric processing aid designed to improve melt flow, reduce extrusion pressure, and enhance surface finish in thermoplastic polyurethane (TPU) compounds—particularly during high-speed extrusion or injection molding processes.
Q2: Is BASF 1198 A 10U compatible with all TPU base resins?
A: It demonstrates broad compatibility with aromatic and aliphatic TPU grades across major molecular weight ranges; however, optimal performance should be confirmed via small-scale trials due to formulation-specific interactions with additives, fillers, or pigments.
Q3: How does BASF 1198 A 10U affect mechanical properties of the final TPU part?
A: When used within recommended dosage levels, it typically maintains key mechanical properties such as tensile strength and elongation at break, while significantly reducing die swell and improving dimensional stability during processing.
Q4: Can BASF 1198 A 10U be used in applications requiring food contact or skin contact?
A: It is not pre-approved for direct food contact or medical device applications; suitability for regulated end-uses must be evaluated by the compounder based on full formulation testing and compliance with applicable regional regulatory frameworks.
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