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Medium-oil-length alkyd resin offering balanced drying speed and flexibility.
Excellent compatibility with nitrocellulose, acrylics, and other common coating resins.
Provides good gloss retention and film hardness in air-drying systems.
Low viscosity enables high-solids formulations without excessive solvent demand.
Consistent batch-to-batch performance for reliable manufacturing scale-up.
General-purpose decorative wood coatings (interior and exterior).
Industrial maintenance coatings for metal substrates.
Can coatings requiring moderate chemical resistance and gloss.
Automotive refinish primers and basecoats where air-dry performance is critical.
Printing ink varnishes and overprint coatings.
| Chemical Type | Medium-oil modified alkyd resin |
| Product Form | Liquid solution in aromatic hydrocarbons |
| Appearance | Clear, amber to light yellow liquid |
| Non-Volatile Content (wt%) | 60 ± 1% |
| Viscosity (25°C, mPa·s) | 1,200–1,800 (measured in 60% solution) |
| Acid Value (mg KOH/g) | 8–12 |
| Density (20°C, g/cm³) | 0.98–1.02 |
| Solubility | Compatible with xylene, toluene, and high-flash naphthas |
Q1: What is the primary application area for SETAL 1742/60?
A: SETAL 1742/60 is a medium-oil alkyd resin designed primarily for solvent-based industrial maintenance and protective coatings, including general-purpose enamels, primers, and topcoats where good gloss retention, through-dry performance, and compatibility with common crosslinkers are required.
Q2: Is SETAL 1742/60 compatible with amino resins and isocyanates?
A: Yes — SETAL 1742/60 is formulated to be compatible with melamine-formaldehyde resins and can also be used in two-component polyurethane systems when appropriately modified or stabilized. Compatibility should always be verified experimentally in the final formulation.
Q3: How does SETAL 1742/60 perform in terms of drying behavior?
A: It exhibits balanced surface dry and through-dry characteristics typical of medium-oil alkyds, supporting efficient production workflows in ambient-cure applications. Drying time is influenced by film thickness, ambient temperature, humidity, and catalyst selection.
Q4: Can SETAL 1742/60 be used in high-solids formulations?
A: Yes — its viscosity profile and solubility in common aromatic and aliphatic hydrocarbons make it suitable for moderate- to high-solids coating systems. Formulators may adjust solvent blends and add reactive diluents to further optimize solids content without compromising film integrity.
Q5: What types of pigments and additives is SETAL 1742/60 typically stable with?
A: It demonstrates broad compatibility with conventional inorganic pigments (e.g., titanium dioxide, iron oxides) and many organic pigments. For optimal dispersion stability and rheology control, standard alkyd-compatible dispersants and anti-settling agents are recommended.
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