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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Low VOC formulation compatible with solvent-based and high-solids industrial coating systems.
Superior weather resistance and UV stability, supporting long-term gloss retention and color stability.
Excellent flow and leveling characteristics for smooth, defect-free film formation.
Good compatibility with common acrylics, alkyds, and cellulose esters in multi-resin formulations.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and formability.
High-performance appliance finishes.
Powder coating hybrid systems (liquid primer or flow-coat components).
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear to slightly hazy, pale yellow liquid |
| Solvent System | Aromatic hydrocarbons (e.g., xylene, Solvesso™) |
| Non-Volatile Content (wt%) | 40 ± 1% |
| Hydroxyl Value (mg KOH/g) | 120–135 |
| Acid Value (mg KOH/g) | < 5 |
| Viscosity (mPa·s, 25°C) | 800–1,200 |
Q1: What is the primary function of SETALUX 1197 SS-40 in coating formulations?
A: SETALUX 1197 SS-40 serves as a hydroxyl-functional acrylic resin designed for use as a co-resin or reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, hardness development, and chemical resistance while supporting excellent gloss retention and weatherability.
Q2: Is SETALUX 1197 SS-40 compatible with common crosslinkers used in industrial coatings?
A: Yes — it is specifically formulated for compatibility with aliphatic isocyanate crosslinkers (e.g., HDI-based trimer and biuret types) and exhibits good reactivity under ambient or elevated cure conditions. Compatibility with melamine-formaldehyde resins may be limited and requires formulation testing.
Q3: How should SETALUX 1197 SS-40 be handled and stored to maintain stability?
A: Store in tightly sealed original containers in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Avoid prolonged exposure to moisture or freezing temperatures. Under recommended storage conditions, shelf life is typically 12 months from date of manufacture.
Q4: Can SETALUX 1197 SS-40 be used in high-solids or low-VOC coating systems?
A: Yes — its moderate molecular weight and controlled viscosity make it suitable for formulating high-solids, low-VOC, and solvent-borne industrial coatings. Formulators often select it to help balance reactivity, pot life, and film performance without excessive solvent demand.
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