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High-solids, solvent-based alkyd resin offering excellent flow and leveling.
Designed for fast air-drying performance with good through-dry characteristics.
Delivers outstanding gloss retention and long-term durability in exterior applications.
Compatible with common organic solvents and conventional alkyd modifiers.
Provides balanced hardness development and flexibility for demanding coating systems.
Industrial maintenance coatings for steel structures and equipment.
General-purpose protective coatings for agricultural and construction machinery.
Marine maintenance topcoats (non-immersion zones).
Architectural metal coatings for façades and railings.
Refinish coatings for heavy-duty vehicles and utility trailers.
| Chemical Type | Short-oil modified alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Solvent | Xylene/toluene blend |
| Solids Content (wt%) | ~60–65% |
| Viscosity (25°C, mPa·s) | 1,800–2,500 (Brookfield LV, Spindle #3, 60 rpm) |
| Acid Value (mg KOH/g) | 6–10 |
| Density (20°C, g/cm³) | 0.98–1.02 |
Q1: What is the primary function of SETAL AF 26 X in alkyd-based coatings?
A: SETAL AF 26 X is a reactive additive designed to enhance the drying performance and through-dry characteristics of conventional air-drying alkyd resins, particularly in demanding ambient conditions or thicker film applications.
Q2: Is SETAL AF 26 X compatible with all types of alkyd resins?
A: It demonstrates broad compatibility with medium- to long-oil alkyds, including those based on soybean, linseed, and safflower oils. Compatibility should be verified experimentally in specific resin blends, especially when high solids or modified alkyd systems are used.
Q3: How is SETAL AF 26 X typically incorporated into a coating formulation?
A: It is generally added during the let-down stage, after the main alkyd resin has been dispersed, and mixed under moderate agitation. Pre-dilution in a compatible solvent may improve uniformity in high-viscosity systems.
Q4: Does SETAL AF 26 X affect the final film properties such as hardness or flexibility?
A: When used at recommended levels, it supports balanced film development—contributing to improved early hardness without significantly compromising flexibility or adhesion. Over-addition may impact gloss retention or long-term durability and should be avoided.
Q5: Can SETAL AF 26 X be used in water-reducible alkyd systems?
A: It is formulated for solvent-borne alkyd systems. While limited use in certain water-reducible alkyd emulsions has been explored, performance and stability are not guaranteed; dedicated testing is required before implementation.
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