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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for superior film formation, gloss, and flow in high-solids coatings.
Low VOC formulation compatibility — supports compliance with stringent environmental regulations.
Enhanced weatherability and UV resistance for long-term exterior durability.
Good compatibility with common acrylic and polyester resins, facilitating versatile binder blending.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
Architectural coil and extrusion coatings.
General-purpose high-performance industrial finishes.
Powder coating hybrid systems requiring liquid acrylic modifiers.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to colorless liquid |
| Solvent System | Aromatic hydrocarbons and esters (e.g., xylene, butyl acetate) |
| Non-Volatile Content (wt%) | 50 ± 2% |
| Hydroxyl Value (mg KOH/g) | 65 – 75 |
| Acid Value (mg KOH/g) | < 5 |
| Viscosity (25°C, mPa·s) | 800 – 1,200 |
Q1: What is the primary function of SETALUX 1795 VX-74 in coating formulations?
A: SETALUX 1795 VX-74 is a hydroxyl-functional acrylic resin designed as a reactive binder in two-component polyurethane (2K PU) and polyester-based crosslinking systems. It contributes to film formation, enhances hardness and chemical resistance, and supports excellent gloss retention and weatherability in high-performance industrial and automotive topcoats.
Q2: Is SETALUX 1795 VX-74 compatible with common isocyanate crosslinkers?
A: Yes — it is specifically engineered for compatibility with aliphatic isocyanate crosslinkers, including HDI-based trimer and biuret types. Its hydroxyl functionality and molecular architecture support efficient curing, good pot life, and low VOC emissions when formulated accordingly.
Q3: How does SETALUX 1795 VX-74 perform in terms of UV stability and outdoor durability?
A: As a purely acrylic, non-yellowing resin with no aromatic content, it delivers outstanding UV resistance and long-term gloss and color retention under accelerated weathering and real-world exposure — making it well-suited for exterior architectural and premium transportation coatings.
Q4: Can this resin be used in low-VOC or solvent-reduced systems?
A: Yes — SETALUX 1795 VX-74 is supplied in organic solvents suitable for medium-to-high solids formulations. It can be adapted to lower-VOC systems through solvent selection and formulation optimization, supporting compliance with regional emission regulations without compromising film integrity.
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E-mail: wangxingqiang@ericwchem.com
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