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Medium-oil-length alkyd resin offering balanced drying speed and film flexibility.
Excellent compatibility with nitrocellulose, PVC plastisols, and common solvent-based resins.
Provides good gloss retention and resistance to yellowing in interior applications.
Low-viscosity liquid form enables easy handling and formulation without excessive thinning.
Designed for high-solids coatings systems to support VOC-compliant formulations.
Interior wood finishes including furniture, cabinets, and moldings.
General-purpose industrial maintenance coatings for metal substrates.
Decorative architectural coatings for interior trim and doors.
Basecoats and clearcoats in low-VOC decorative varnish systems.
| Chemical Type | Medium-oil alkyd resin (glycerol-phthalic anhydride based) |
| Product Form | Clear to pale yellow liquid |
| Appearance | Homogeneous, transparent, free from sediment |
| Solvent Content | Toluene/xylene blend (typical) |
| Non-Volatile Content | 68–72 wt% (at 105°C, 30 min) |
| Viscosity (25°C, Ford Cup #4) | 60–90 seconds |
| Acid Value | 6–10 mg KOH/g |
| Primary Applications | Interior wood and metal coatings; high-gloss decorative varnishes |
Q1: What is the primary application field for SETAL 215 XX-70?
A: SETAL 215 XX-70 is a fast-drying, medium-oil alkyd resin specifically designed for high-performance air-dry decorative and protective coatings, including interior and exterior architectural paints, wood finishes, and general industrial maintenance coatings.
Q2: Is SETAL 215 XX-70 compatible with waterborne systems?
A: SETAL 215 XX-70 is a solvent-borne alkyd resin and is not inherently water-dispersible. It may be incorporated into hybrid or water-reducible systems when properly emulsified or formulated with co-solvents and surfactants, but compatibility must be verified experimentally in the target formulation.
Q3: How does SETAL 215 XX-70 contribute to film formation and drying performance?
A: Due to its optimized fatty acid composition and molecular architecture, SETAL 215 XX-70 promotes rapid autoxidative crosslinking, resulting in good through-dry, hardness development, and early block resistance—making it well-suited for applications requiring efficient production throughput.
Q4: Can SETAL 215 XX-70 be used in combination with acrylic or polyester resins?
A: Yes, SETAL 215 XX-70 exhibits good compatibility with many common synthetic resins—including solution acrylics and saturated polyesters—enabling formulators to tailor balance between flexibility, gloss, and chemical resistance in hybrid binder systems.
Q5: What solvents are typically recommended for dissolving or diluting SETAL 215 XX-70?
A: The resin dissolves readily in common aromatic and aliphatic hydrocarbon solvents (e.g., xylene, Solvesso™ types, high-flash naphthas) as well as oxygenated solvents such as butyl acetate and ethyl acetate. Selection should consider VOC regulations, evaporation rate requirements, and compatibility with other formulation components.
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E-mail: wangxingqiang@ericwchem.com
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