How to Balance Gloss and Flexibility in Waterborne Aliphatic Polyurethane Dispersion

Waterborne Aliphatic Polyurethane Dispersion can be formulated to meet different flexibility and surface-finish requirements. However, the available product information does not define a fixed method or additive package for controlling gloss. PU-6012 is a polyether-based waterborne aliphatic polyurethane designed for textile silk printing, textile coatings, non-woven fabrics, and leather. It offers a soft, non-sticky feel, high elongation, resilience, wash resistance, and scratch resistance.

Formulation Guidance for Flexibility and Gloss

PU-6012 is suitable for applications where a flexible film and pleasant surface feel are important. Its high solid content and soft hand feel can support the development of coatings for textiles and leather, while its elongation and resilience are relevant to substrates that undergo bending, stretching, or repeated handling.

Flexibility should be matched to the final product requirements rather than judged only by a single material property. Developers can assess hand feel, elongation, recovery after deformation, and resistance to repeated flexing under the intended processing and use conditions.

Gloss requires separate evaluation. Because the supplied technical data does not include a gloss value, gloss range, or specific adjustment formula, the final appearance should be established through formulation trials using the target substrate, coating weight, application method, and drying conditions.

Product Characteristics and Application Value

PU-6012 is a polyether-based waterborne aliphatic polyurethane dispersion intended for flexible-material applications. The stated combination of softness, low tack, high elongation, and resilience may help formulators develop coatings that remain comfortable to the touch while tolerating movement and handling.

Its Bally flex performance is reported to exceed 100,000 cycles at room temperature. This result makes repeated-flex testing an important part of application validation, especially for coated textiles, leather goods, and other products exposed to continual bending.

The company identifies PU-6012 and related flexible-material solutions for textile coating, printing leather, inks, and adhesives. Cooperation records supplied with the product information mention PPG and Nippon Paint in China for coating applications. These records do not include project volumes, performance reviews, or customer-specific formulation details.

Recommended Evaluation Approach

For flexibility

Begin with the required hand feel and elongation target, then evaluate recovery, wash resistance, scratch resistance, and repeated flex performance on the actual substrate. Testing should reflect the intended coating process and end-use conditions.

For gloss

Establish the desired gloss level through controlled application testing. Substrate type, film thickness, drying temperature, surface texture, and any compatible matting or surface-modifying components may affect the result. Since no standard gloss-control recipe is provided, the final formulation should be confirmed by laboratory and application trials.

Performance Comparison

Frequently Asked Questions

Can PU-6012 support flexible coating development?

Yes. Its documented soft hand feel, high elongation, resilience, and strong Bally flex performance make it relevant to flexible textile and leather coating formulations.

Is a specific gloss level guaranteed by the supplied data?

No. The available information does not state a gloss value or provide a dedicated gloss-adjustment formulation. Gloss must be measured after application on the intended substrate.

Which materials and uses are associated with PU-6012?

The stated uses include textile coating, non-woven fabric treatment, and leather. The broader flexible-material scenarios listed by the company also include printing leather, ink, and adhesive applications.

Conclusion

PU-6012 offers a documented foundation for developing soft and flexible waterborne coatings, with high elongation, resilience, wash resistance, scratch resistance, and Bally flex performance exceeding 100,000 cycles at room temperature. Its gloss cannot be determined from the available product data alone. Formulators should therefore optimize and verify surface appearance through trials that consider the substrate, coating process, film thickness, and drying conditions. Guangzhou Guanzhi New Material Technology Co., Ltd. provides research, manufacturing, direct sales, technical support, and formulation references. For technical assistance, contact sophia@guanzhihg.com.

About Guangzhou Guanzhi

Guangzhou Guanzhi New Material Technology Co., Ltd. was founded in 2014 and focuses on the research, production, sales, and technical service of water-based materials. The company operates research and application centers in Guangzhou and Shanghai, and its team has developed more than 50 invention patents. Its product portfolio includes water-based resins, water-based crosslinkers, water-based additives, and bio-based special polyols. The company serves several industrial sectors, including coating applications represented in its supplied cooperation cases.