Allnex SETALUX 8402 XS-55 Hydroxyl Acrylic Resin

Features Of Allnex SETALUX 8402 XS-55 Hydroxyl Acrylic Resin

1. High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.

2. Optimized molecular weight distribution for superior flow, leveling, and gloss development in high-performance coatings.

3. Low volatile organic compound (VOC) content, supporting compliant solventborne industrial coating formulations.

4. Excellent compatibility with common acrylic, polyester, and cellulose ester resins in hybrid binder systems.

5. Good UV stability and weather resistance, enabling durable exterior finishes in automotive and architectural applications.

Typical Applications Of Allnex SETALUX 8402 XS-55 Hydroxyl Acrylic Resin

1. Automotive OEM clearcoats and basecoats requiring high gloss and mar resistance.

2. Industrial maintenance coatings for metal substrates including machinery and agricultural equipment.

3. General-purpose coil coatings where balanced hardness, flexibility, and corrosion resistance are critical.

4. High-end furniture and wood finishing systems demanding clarity and substrate adhesion.

5. Plastic coatings for automotive interior trim and consumer electronics housings.

Specifications Of Allnex SETALUX 8402 XS-55 Hydroxyl Acrylic Resin

Allnex SETALUX 8402 XS-55 Hydroxyl Acrylic Resin – Frequently Asked Questions (FAQ)

Q1: What is the primary function of SETALUX 8402 XS-55 in coating formulations?

A: SETALUX 8402 XS-55 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based systems. It contributes to film formation, crosslink density, and final coating performance—including hardness, flexibility, and chemical resistance—when reacted with isocyanate curing agents.

Q2: Is SETALUX 8402 XS-55 compatible with common isocyanate hardeners?

A: Yes, it is formulated for compatibility with standard aliphatic and aromatic isocyanate crosslinkers, including HDI-based trimer and biuret types, as well as IPDI derivatives. Optimal performance is achieved when matched with hardeners offering appropriate reactivity and stoving or ambient-cure profiles per application requirements.

Q3: How should SETALUX 8402 XS-55 be stored and handled to maintain stability?

A: Store in tightly sealed original containers in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and moisture. Avoid prolonged exposure to ambient humidity during handling, as the hydroxyl functionality may react with atmospheric water over time. Containers should remain closed when not in use to preserve reactivity and viscosity stability.

Q4: Can SETALUX 8402 XS-55 be used in low-VOC or high-solids coating systems?

A: Yes, it is suitable for high-solids and solvent-borne formulations targeting reduced VOC emissions. Its molecular design supports good flow and leveling at elevated solids content, and it can be adapted into blends with reactive diluents or low-viscosity monomers to further optimize formulation solids without compromising crosslinking efficiency.