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High-solids, solvent-based unsaturated polyester resin offering excellent flow and leveling.
Designed for superior hardness development and chemical resistance in cured coatings.
Provides balanced reactivity with standard free-radical initiators for reliable gel time control.
Delivers outstanding adhesion to metallic substrates including cold-rolled steel and aluminum.
Compatible with common reactive diluents (e.g., styrene) and conventional pigment dispersions.
Industrial maintenance coatings for machinery and equipment.
Coil coating primers and topcoats for pre-painted metal applications.
General-purpose protective coatings for metal furniture and enclosures.
Underhood automotive components requiring thermal and corrosion resistance.
Architectural metal cladding and roofing systems.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid, solvent-based |
| Appearance | Clear to slightly yellow viscous liquid |
| Solids Content (wt%) | 65 ± 2% |
| Viscosity (25°C, mPa·s) | 1,800 – 2,400 |
| Density (25°C, g/cm³) | 1.06 – 1.09 |
| Primary Applications | Protective coatings, coil coating, industrial finishes |
| Key Features | High solids, good substrate adhesion, chemical resistance |
Q1: What is the primary application area for SETAL 186 SS-65?
A: SETAL 186 SS-65 is a solvent-based unsaturated polyester resin designed primarily for high-performance coil coating and metal decorating applications, where excellent gloss retention, hardness development, and resistance to yellowing under UV exposure are required.
Q2: Is SETAL 186 SS-65 compatible with common crosslinkers used in coil coatings?
A: Yes, it is formulated to be compatible with standard amino resins such as melamine-formaldehyde types, and can be effectively cured using conventional thermal cure schedules typical for coil coating lines.
Q3: How does SETAL 186 SS-65 perform in terms of flexibility and adhesion on pre-treated metal substrates?
A: It delivers strong adhesion and good substrate flexibility on properly cleaned and chemically treated steel and aluminum, supporting standard bend and impact test requirements for architectural and appliance-grade coil coatings.
Q4: Can SETAL 186 SS-65 be used in low-VOC formulations?
A: While it is supplied in solvent-based form, it can be incorporated into reformulated systems targeting reduced VOC content—typically through partial solvent substitution or integration with reactive diluents—subject to compatibility and performance validation in the final formulation.
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