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Medium-oil-length alkyd resin based on phthalic anhydride and soybean oil fatty acids.
Designed for excellent through-dry and film hardness development in air-drying systems.
Offers balanced gloss retention, flexibility, and chemical resistance in final coatings.
Compatible with common solvents including xylene, mineral spirits, and aromatic hydrocarbons.
Formulated for low viscosity and good pigment wetting in high-solids decorative and protective coatings.
General-purpose solvent-based decorative paints for interior and exterior wood surfaces.
Industrial maintenance coatings for metal structures and equipment.
Undercoat and primer formulations requiring good sandability and intercoat adhesion.
Enamel topcoats for agricultural and construction machinery.
Marine maintenance coatings for non-immersion above-waterline applications.
| Chemical Type | Phthalic–soy alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to slightly hazy amber liquid |
| Non-Volatile Content (wt%) | ~50–52% |
| Viscosity (DIN 4, 23°C) | 40–60 s |
| Acid Value (mg KOH/g) | 6–10 |
| Saponification Value (mg KOH/g) | 170–190 |
| Solubility | Compatible with aromatic and aliphatic hydrocarbon solvents |
Q1: What is the primary application segment for SETAL 84 XX-70?
A: SETAL 84 XX-70 is a medium-oil alkyd resin specifically designed for high-performance decorative and protective coatings, particularly in solventborne architectural and industrial maintenance paints where balanced drying, gloss retention, and substrate adhesion are required.
Q2: Is SETAL 84 XX-70 suitable for water-reducible alkyd systems?
A: Yes — SETAL 84 XX-70 is formulated to be compatible with water-reducible alkyd technologies and can be used in hybrid systems that combine alkyd functionality with waterborne processing advantages, provided appropriate emulsifiers and co-solvents are selected during formulation.
Q3: How does SETAL 84 XX-70 compare to long-oil alkyds in terms of flexibility and outdoor durability?
A: As a medium-oil alkyd, SETAL 84 XX-70 offers improved hardness and faster through-dry compared to long-oil variants, while retaining sufficient flexibility and weather resistance for exterior applications — making it well-suited for general-purpose maintenance coatings exposed to moderate UV and moisture cycles.
Q4: Can SETAL 84 XX-70 be modified or crosslinked with other resins?
A: Yes — this alkyd resin is reactive toward common crosslinkers such as melamine-formaldehyde resins and isothermal-curing isocyanates, enabling formulators to enhance chemical resistance, hardness, and cure speed in baked or ambient-cure systems.
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