Global

Basonat® HI 3100: Don’t Drop the Ball on Coating Performance

January 29, 2026

Global

Basonat® HI 3100: Don’t Drop the Ball on Coating Performance

BASF’s new aliphatic polyisocyanate is a gamechanger in industrial coatings.

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The start of the new year brings fresh opportunities and fresh challenges. For formulators, winter weather, tightening regulations, and the growing demand for sustainable solutions make coating performance more critical than ever. BASF’s  Basonat® HI 3100 delivers the innovation needed to stay ahead, combining reliability with environmental responsibility.

As BASF’s latest advancement in aliphatic polyisocyanate technology, Basonat HI 3100 is designed to meet evolving market needs for industrial coatings. This next-generation crosslinker offers exceptional durability in demanding environments, low viscosity for easier processing, and sustainability benefits that align with today’s regulatory and environmental goals. With proven performance and versatility, Basonat HI 3100 gives manufacturers the confidence to protect their coatings in the toughest conditions.

Unlock Potential: Key Features and Benefits

Outstanding weather and chemical resistance

Basonat HI 3100 offers a unique combination of properties that make it a standout choice for both solvent and water based industrial coatings. This compatibility allows formulators to use a single crosslinker across multiple coating platforms, reducing reformulation work and streamlining product development.

Provides long-term protection against harsh environmental exposure and aggressive chemicals, ensuring coatings maintain integrity over time.

Excellent color stability

Remarkable hardness and flexibility

Helps preserve appearance and gloss even under UV exposure and demanding conditions, reducing maintenance, and extending service life.

Delivers a balanced performance profile that supports durability without sacrificing elasticity, ideal for applications requiring impact resistance and structural strength.

Low VOC formulation

Completely solvent-free

Supports compliance with stringent environmental regulations and contributes to improved air quality during application. It also helps formulators move toward Oxsol‑free coating systems, supporting cleaner and more sustainable formulations.

Enhances sustainability credentials and minimizes emissions, making it a responsible choice for modern coating systems.

Properties:

Solids [wt. %] NCO [%] Equivalent Weight Viscosity @ 23 oC Density @ 20 oC
100 21.3 - 22.3 192 750 - 1,000 1.13

Together, these features and properties make Basonat HI 3100 a versatile and future-ready solution for manufacturers seeking durability, sustainability, and superior performance in demanding environments.

Exciting Applications and Use Cases

Basonat HI 3100 brings versatility to a wide range of applications, from automotive coatings to industrial machinery and protective finishes. Its low viscosity ensures effortless application and excellent coverage, making it a trusted choice for professionals, developing less than 250g/L VOC coatings.

Built for durability, this crosslinker delivers outstanding resistance to wear and tear, making it perfect for high-performance environments were longevity and reliability matter most. Whether safeguarding machinery in harsh conditions or achieving a flawless finish on automotive parts, Basonat HI 3100 consistently delivers results you can count on.
Formulation flexibility is another key advantage. Effective in both clear coat and pigmented systems, it works seamlessly with metal and metal-free catalysts. It supports solvent-borne, 100% solids, and water-borne systems, giving formulators maximum freedom. Its similarity to other products in the market ensures broad compatibility and easy integration, reducing the need for major formulation changes.

Commitment to Sustainability

Basonat HI 3100 is engineered with the future in mind. It is completely solvent‑free composition, combined with its low viscosity, enables the formulation of high‑solids and low‑VOC 2K PU coatings. This combination helps reduce emissions and improves air quality during application, supporting compliance with stringent environmental regulations while promoting healthier workplaces and communities.

By lowering environmental impact without compromising durability, quality, or high‑performance standards, Basonat HI 3100 empowers manufacturers to achieve their sustainability goals with confidence. Choosing Basonat HI 3100 means investing in a solution that protects both your coatings and the planet, delivering long‑term value for your business and the environment.

Why Choose Basonat HI 3100?

Ready to Elevate Your Coatings?

Performance and sustainability should never be a tradeoff. With proven durability, formulation flexibility, and environmental responsibility, Basonat HI 3100 is more than a crosslinker. It is a solution for both water-based and solvent-based PU market needs.

Discover how Basonat HI 3100 can transform your formulations and deliver unmatched performance in the toughest conditions. Contact BASF today to learn more, request samples, or speak with our technical experts about integrating Basonat HI 3100 into your next project.

Explore our full Basonat portfolio in our Industrial Coatings Selection Guide.

Last UpdateJanuary 29, 2026