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Medium-oil-length alkyd resin offering balanced drying speed and film flexibility.
Excellent compatibility with common solvents, nitrocellulose, and thermoplastic acrylics.
Provides superior gloss retention and color stability in air-dried coatings.
Low viscosity enables high-solids formulation without sacrificing application performance.
Designed for enhanced weather resistance in exterior decorative and protective finishes.
General-purpose solvent-based decorative paints for interior and exterior walls.
Industrial maintenance coatings for metal structures and equipment.
Wood finishing systems including varnishes and clear topcoats.
Can coatings requiring good overprintability and substrate adhesion.
Undercoat formulations for automotive refinish and OEM primer-surfacer systems.
| Chemical Type | Medium-oil modified alkyd resin |
| Product Form | Liquid (solution in aromatic hydrocarbons) |
| Appearance | Clear to pale yellow viscous liquid |
| Non-Volatile Content (wt%) | 55–60% |
| Viscosity (25°C, mPa·s) | 800–1,200 |
| Acid Value (mg KOH/g) | 6–10 |
| Density (25°C, g/cm³) | 0.98–1.02 |
| Solubility | Compatible with xylene, toluene, and mineral spirits |
Q1: What is the primary application of Sam Chung 3616-60 Alkyd Resin?
A: Sam Chung 3616-60 is a medium-oil-length alkyd resin designed primarily for solvent-based decorative and protective coatings, including industrial maintenance paints, general-purpose enamels, and wood finishes where good gloss retention, flexibility, and through-dry performance are required.
Q2: Is this resin compatible with common crosslinkers and additives used in alkyd systems?
A: Yes — it is fully compatible with conventional driers (e.g., cobalt, zirconium, and calcium types), standard organic solvents (such as xylene, mineral spirits, and butyl acetate), and commonly used alkyd modifiers like melamine-formaldehyde resins or urea-based hardeners when formulating thermosetting systems.
Q3: How does Sam Chung 3616-60 differ from short- or long-oil alkyd resins?
A: As a medium-oil alkyd, it balances drying speed, hardness development, and film flexibility — offering faster air-dry performance than long-oil resins while maintaining better toughness and chemical resistance than short-oil variants. It is particularly suited for applications requiring a balance of application ease and final film integrity.
Q4: Can this resin be used in high-solids or low-VOC formulations?
A: While originally formulated for conventional solvent-borne systems, Sam Chung 3616-60 can be adapted into higher-solids coatings by adjusting solvent blends and incorporating reactive diluents — though formulation optimization is recommended to maintain viscosity control and film formation properties.
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E-mail: wangxingqiang@ericwchem.com
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