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Medium-oil-length alkyd resin based on phthalic anhydride and glycerol for balanced drying and flexibility.
Excellent compatibility with nitrocellulose, PVC plastisols, and common organic solvents.
Provides good gloss retention and film hardness in air-drying coatings.
Formulated for low VOC content, supporting compliance with modern environmental regulations.
Consistent batch-to-batch performance ensured through strict Allnex quality control protocols.
General-purpose industrial maintenance coatings.
Wood finishing systems including varnishes and clear coats.
Metal primers and topcoats for agricultural and construction equipment.
Decorative architectural paints requiring durable, weather-resistant films.
Overprint varnishes for flexible packaging laminates.
| Chemical Type | Phthalic-Glycerol Alkyd Resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Solvent | Xylene / Solvent Naphtha (typical) |
| Non-Volatile Content (wt%) | ~60–65% |
| Acid Value (mg KOH/g) | 6–10 |
| Viscosity (mPa·s at 25°C) | 4,000–7,000 |
| Primary Applications | Industrial coatings, wood finishes, metal protection |
Q1: What is the primary function of SETAL 82 in coating formulations?
A: SETAL 82 functions as a reactive diluent and viscosity modifier in high-solids alkyd and hybrid resin systems. It helps reduce formulation viscosity without sacrificing film formation or drying performance, supporting improved application properties and solvent reduction.
Q2: Is SETAL 82 compatible with waterborne systems?
A: SETAL 82 is an organic-soluble alkyd resin and is not inherently compatible with fully waterborne systems. However, it can be incorporated into solvent-borne or hybrid (solvent/water) systems where coalescing agents and appropriate emulsification strategies are employed—formulation testing is recommended to confirm stability and performance.
Q3: How does SETAL 82 influence drying behavior in air-drying coatings?
A: As a short-oil alkyd resin with reactive functionality, SETAL 82 contributes to oxidative crosslinking and enhances through-dry characteristics. It supports balanced surface dry and hardening development, particularly in blends with other alkyds or acrylics, without significantly delaying cure under ambient conditions.
Q4: Can SETAL 82 be used in industrial maintenance or marine topcoats?
A: Yes—SETAL 82 is commonly selected for industrial maintenance and marine coatings where good gloss retention, flexibility, and compatibility with pigments and corrosion inhibitors are required. Its molecular structure supports robust film integrity in demanding exposure environments when properly formulated and cured.
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