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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding elasticity and recovery performance across a wide temperature range (−40 °C to 80 °C).
Good processability via extrusion, injection molding, and calendering without requiring plasticizers.
High transparency and excellent clarity retention after prolonged UV exposure.
Compliant with ISO 10993–5 for cytotoxicity, suitable for non-implantable medical device components.
Medical tubing and fluid delivery systems requiring kink resistance and biocompatibility.
High-clarity protective films for electronic displays and touch-sensitive surfaces.
Flexible seals and gaskets in automotive interior trim and HVAC components.
Precision extruded profiles for sporting goods, including ski boots and protective padding.
Soft-touch overmolding on consumer electronics housings and wearable device casings.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Free-flowing granules, 3–4 mm diameter |
| Appearance | Translucent, slightly yellowish pellets |
| Shore A Hardness | 65 ± 2 |
| Melt Flow Index (210 °C/2.16 kg) | 12–15 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Moisture Content (as received) | ≤ 0.05 wt% |
| Primary Applications | Medical devices, optical films, soft-touch overmolding, precision extrusions |
Q1: What is the primary function of Kaiyin TPU B6765 in thermoplastic polyurethane formulations?
A: Kaiyin TPU B6765 is a specialized processing aid and melt-flow modifier designed to improve extrudability, reduce melt viscosity, and enhance surface finish in TPU compounds—particularly during high-speed extrusion and injection molding processes.
Q2: Is Kaiyin TPU B6765 compatible with both polyester- and polyether-based TPUs?
A: Yes, it demonstrates broad compatibility across common TPU chemistries, including aromatic and aliphatic polyester- and polyether-based systems. Compatibility should still be verified under actual processing conditions and formulation matrices.
Q3: How does Kaiyin TPU B6765 affect thermal stability during processing?
A: It is formulated for good thermal stability within typical TPU processing windows (160–220 °C), with minimal volatile generation or discoloration when used at recommended dosages. Extended residence time at upper temperature limits should be minimized as with any additive.
Q4: Can Kaiyin TPU B6765 be used in applications requiring FDA-compliant or food-contact-safe final products?
A: Kaiyin TPU B6765 is not pre-certified for food contact use. Its suitability for regulated applications depends on full system evaluation—including final compound testing, migration behavior, and compliance with applicable regional regulatory frameworks.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
