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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for superior flow, leveling, and gloss development in high-performance coatings.
Low viscosity at high solids content, enabling energy-efficient, low-VOC formulations without sacrificing film integrity.
Excellent compatibility with common solventborne resins and additives used in industrial and automotive refinish systems.
Consistent batch-to-batch reproducibility supported by Allnex’s stringent quality control and global manufacturing standards.
Automotive original equipment manufacturer (OEM) topcoats and clearcoats.
Automotive refinish basecoats and clearcoats requiring high DOI and mar resistance.
Industrial maintenance coatings for metal substrates exposed to harsh environments.
Appliance coatings demanding excellent hardness, flexibility, and chemical resistance.
General-purpose high-solids solventborne coil and can coatings.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Aromatic hydrocarbons and esters |
| Non-Volatile Content (wt%) | 70 ± 1% |
| Hydroxyl Value (mg KOH/g) | 68 – 74 |
| Acid Value (mg KOH/g) | < 5 |
| Gardner Color | < 3 |
Q1: What is the primary function of SETALUX 1757 VV-70 in a coating formulation?
A: SETALUX 1757 VV-70 serves as a hydroxyl-functional acrylic resin that provides reactive sites for crosslinking with melamine, polyisocyanate, or other multifunctional curing agents—enabling the formation of durable, thermoset coatings with enhanced chemical resistance, gloss retention, and mechanical performance.
Q2: Is SETALUX 1757 VV-70 suitable for high-solids or low-VOC applications?
A: Yes—its low viscosity and high solids content make it well-suited for high-solids formulations, supporting VOC reduction strategies without compromising flow, leveling, or crosslink density when properly balanced with compatible crosslinkers and solvents.
Q3: How does SETALUX 1757 VV-70 compare to conventional hydroxyl acrylic resins in terms of weatherability?
A: As a premium acrylic-based hydroxyl resin, it offers superior UV stability and hydrolytic resistance compared to many alkyd- or polyester-based alternatives—making it particularly effective in exterior architectural and industrial maintenance coatings where long-term gloss and color retention are critical.
Q4: Can SETALUX 1757 VV-70 be used in waterborne hybrid systems?
A: While inherently solvent-based, it can be incorporated into solvent-borne or solvent-reduced hybrid systems; however, direct incorporation into fully waterborne dispersions is not recommended without prior compatibility testing and potential modification, as its hydrophobic nature may affect colloidal stability.
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