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Excellent abrasion resistance for extended service life in dynamic applications.
Outstanding low-temperature flexibility down to –40 °C without cracking.
High transparency and excellent optical clarity suitable for premium aesthetic parts.
Good processability via injection molding, extrusion, and calendering.
Hydrolysis-resistant formulation ensuring long-term stability under humid conditions.
Transparent protective films for electronic displays and touch panels.
Soft-touch overmolded grips for power tools and medical handheld devices.
Flexible tubing for pneumatic and fluid handling systems.
Wear-resistant gaskets and seals in automotive interior components.
High-clarity decorative trim and lighting diffusers.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Translucent, natural-colored granules |
| Density (g/cm³) | 1.18–1.20 |
| Melt Flow Index (210 °C/2.16 kg, g/10 min) | 10–14 |
| Shore A Hardness | 85–88 |
| Tensile Strength (MPa) | 38–42 |
| Elongation at Break (%) | 450–520 |
Q1: What is Kaiyin TPU B6988 primarily used for?
A: Kaiyin TPU B6988 is a thermoplastic polyurethane elastomer designed for high-performance flexible applications, including extruded tubing, soft-touch overmolding, and elastic film lamination—especially where excellent melt processability and consistent mechanical recovery are required.
Q2: How does B6988 compare to standard TPU grades in terms of processing?
A: B6988 features enhanced melt stability and lower melt viscosity compared to conventional aromatic TPUs, enabling smoother extrusion and injection molding at moderate temperatures—reducing the risk of thermal degradation during prolonged processing cycles.
Q3: Is Kaiyin TPU B6988 suitable for applications requiring good low-temperature flexibility?
A: Yes—B6988 maintains effective elasticity and impact resistance down to approximately −30 °C, making it appropriate for outdoor or cold-environment components such as automotive seals, industrial hoses, and wearable device housings.
Q4: Can B6988 be blended with other polymers?
A: B6988 demonstrates reasonable compatibility with certain engineering thermoplastics like PC and ABS when used with appropriate compatibilizers; however, blending should be validated case-by-case through rheological and phase-morphology testing to ensure performance retention.
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E-mail: wangxingqiang@ericwchem.com
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