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High hydroxyl functionality for excellent crosslink density with melamine and polyisocyanate curing agents.
Low VOC formulation compatible with high-solids and solvent-borne industrial coating systems.
Superior gloss retention and weather resistance in exterior architectural and automotive refinish applications.
Good compatibility with common acrylic, polyester, and alkyd resins for hybrid binder systems.
Consistent batch-to-batch performance ensured by Allnex’s stringent quality control and GMP-compliant manufacturing.
Automotive refinish topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
Architectural high-performance façade coatings.
General-purpose coil coatings requiring durability and flexibility.
Plastic coatings for automotive interior trim and consumer electronics.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear to slightly hazy, colorless to pale yellow liquid |
| Solvent System | Aromatic hydrocarbons and esters (e.g., xylene, butyl acetate) |
| Hydroxyl Value (mg KOH/g) | 75–85 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 50 ± 2 |
| Viscosity (DIN 4, 25°C, mPa·s) | 2,500–3,500 |
Q1: What is the primary function of SETALUX 1193 SS-51 in coating formulations?
A: SETALUX 1193 SS-51 is a hydroxyl-functional acrylic resin designed to serve as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, crosslink density, and overall durability while supporting excellent gloss retention and weather resistance.
Q2: Is this resin suitable for high-solids or low-VOC applications?
A: Yes — SETALUX 1193 SS-51 is formulated to support high-solids coating systems and is commonly used in solventborne industrial and automotive refinish applications where VOC reduction is a key objective. Its molecular design enables good flow and leveling without requiring excessive solvent dilution.
Q3: How does SETALUX 1193 SS-51 perform in terms of UV stability and yellowing resistance?
A: As a purely acrylic hydroxyl resin, it offers inherently strong resistance to UV-induced degradation and yellowing, making it well-suited for topcoats and clearcoats exposed to outdoor conditions or artificial aging. Performance is further enhanced when combined with appropriate UV absorbers and HALS stabilizers in the final formulation.
Q4: Can SETALUX 1193 SS-51 be blended with other resins such as melamine or polyester hydroxyls?
A: Yes — it exhibits good compatibility with common crosslinkers including aliphatic isocyanates and melamine-formaldehyde resins. Blending with polyester hydroxyl resins is also feasible and often done to balance hardness, flexibility, and chemical resistance, though compatibility testing under intended processing and curing conditions is recommended.
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E-mail: wangxingqiang@ericwchem.com
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