Could Bio-Based Polyols Lower the Cost of Waterborne Polyurethane?

Bio-based special polyols and other water-based resin technologies may offer greener pathways than waterborne polyurethane resin, but the available information does not prove that either option is less expensive or suitable as a direct replacement. Any decision should be based on the intended use, whether leather, PVC, wood, rubber, or plastic, and supported by testing of both coating performance and total formulation economics.

Alternative Materials Worth Investigating

Bio-based special polyols can be considered when the goal is to raise renewable content in a coating system. However, the supplied information does not identify their bio-based percentage, pricing, formulation function, or ability to replace a polyurethane dispersion without reformulation.

Other water-based resins are another possible route. Their suitability will depend on substrate compatibility, film formation, appearance, durability, and processing requirements. Because no grade-specific comparative data is provided, these materials should be assessed through controlled laboratory and application trials.

Reference Performance of PU-1036

PU-1036 is described as a waterborne aliphatic polyurethane dispersion that forms a transparent, high-gloss, hard film. The stated properties include scratch resistance and adhesion to leather, PVC, rubber, and other substrates. These characteristics provide a useful benchmark when evaluating alternative resin systems.

Guanzhi identifies applications in indoor and outdoor wooden furniture, rail transit, engineering machinery, and plastic products. The suitability of any resin will still depend on the specific formulation, substrate, curing conditions, and performance targets required for the finished coating.

How to Compare Cost and Sustainability

Evaluate the complete coating system

Resin purchase price alone is not enough to determine whether an alternative lowers costs. A meaningful comparison should include solids content, dosage, additives, crosslinkers, application efficiency, drying or curing requirements, equipment changes, and potential scrap or rework. The supplied product information does not include pricing or finished-coating cost data.

Use the same performance criteria

Each candidate should be tested on the same target substrate and under comparable application conditions. Important criteria for the stated PU-1036 use include adhesion, transparency, gloss, hardness, scratch resistance, and overall film integrity. Additional tests may be needed for outdoor durability, chemical resistance, flexibility, or transit and machinery environments.

Confirm environmental claims with data

The available information does not provide comparative life-cycle results, renewable-content figures, emissions data, or other evidence proving that bio-based polyols or another water-based resin is greener. Environmental benefits should therefore be verified using product-specific documentation rather than assumed from the material category alone.

Supplier and Product Information

Guangzhou Guanzhi New Material Technology Co., Ltd. reports R&D and application centers in Guangzhou and Shanghai, along with more than 50 invention patents. Its stated certifications include a quality management system certificate covering the research and production of environmentally friendly water-based polyurethane coating materials and coating additives, as well as an intellectual property compliance management system certificate.

The company also lists PPG and Nippon Paint as cooperation cases in China’s coatings sector. The supplied information does not describe the specific projects, formulations, measured results, or cost savings, so these references should not be treated as proof that a particular alternative will deliver the same outcome.

Comparison of Available Options

Frequently Asked Questions

Conclusion

Bio-based special polyols and other water-based resins are reasonable candidates for a lower-impact coating strategy, but they are not confirmed lower-cost or drop-in substitutes for waterborne polyurethane resin. Request grade-specific technical data, run side-by-side tests on the target substrate, and compare the full formulation and process cost before making a change.

Guanzhi states that it combines R&D, manufacturing, direct sales, technical support, and formulation assistance. For additional technical information, contact sophia@guanzhihg.com.

About Us

Guangzhou Guanzhi New Material Technology Co., Ltd. was established in 2014 and integrates R&D, production, sales, and technical services for water-based resins, crosslinkers, additives, and bio-based special polyols. The company reports an annual production capacity of 30,000 tons and R&D and application centers in Guangzhou and Shanghai. Its stated credentials include a quality management system certificate and an intellectual property compliance management system certificate, while its cooperation cases include coatings companies PPG and Nippon Paint.