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High-solids, medium-oil alkyd resin offering excellent flow and leveling in solventborne coatings.
Delivers outstanding gloss retention and long-term durability under outdoor exposure conditions.
Compatible with common amino resins, melamine-formaldehyde crosslinkers, and other alkyds for enhanced cure performance.
Provides balanced drying characteristics—good through-dry with low tackiness during film formation.
Low volatile organic compound (VOC) formulation support, enabling compliance with stringent environmental regulations.
Industrial maintenance coatings for metal structures and equipment.
General-purpose decorative enamels for metal furniture and appliances.
Marine and offshore protective topcoats requiring weather resistance.
Automotive refinish primers and basecoats where flexibility and adhesion are critical.
Architectural metal cladding and façade coatings exposed to UV and moisture.
| Chemical Type | Medium-oil modified alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Solvent | Xylene / aromatic hydrocarbon blend |
| Solids Content (wt%) | 65 ± 1 |
| Acid Value (mg KOH/g) | 6–8 |
| Viscosity (25°C, mPa·s) | 4,000–6,000 (Brookfield RV, spindle #4, 20 rpm) |
| Density (20°C, g/cm³) | 0.98–1.02 |
Q1: What is the primary function of SETAL FX7/65 in coating formulations?
A: SETAL FX7/65 is a low-viscosity, solvent-free alkyd resin designed to act as a reactive diluent and rheology modifier—enhancing flow, leveling, and substrate wetting while supporting crosslinking in air-drying or forced-dry systems.
Q2: Is SETAL FX7/65 compatible with common acrylic or polyester resins used in industrial coatings?
A: Yes, SETAL FX7/65 demonstrates good compatibility with a broad range of thermosetting resins—including hydroxyl-functional acrylics, polyesters, and melamine formaldehydes—making it suitable for hybrid baking systems and ambient-cure topcoats.
Q3: How does SETAL FX7/65 contribute to film formation and drying performance?
A: As a fast-reacting, high-unsaturation alkyd, it accelerates autoxidative crosslinking, improving through-dry and early hardness development without compromising flexibility or gloss retention in final films.
Q4: Can SETAL FX7/65 be used in low-VOC or solvent-reduced systems?
A: Yes—it is inherently solvent-free and functions effectively at low addition levels in high-solids, waterborne hybrids, and reactive diluent-based formulations, helping formulators meet evolving VOC compliance targets.
Q5: What handling or storage precautions should be observed?
A: Store in tightly sealed containers under inert atmosphere (e.g., nitrogen blanket) at cool, dry conditions to minimize premature oxidation. Avoid prolonged exposure to air, heat, or strong oxidizing agents during handling.
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E-mail: wangxingqiang@ericwchem.com
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