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High-gloss, durable film formation with excellent leveling and flow characteristics.
Optimized oil length for balanced drying speed and flexibility in ambient-cure systems.
Good compatibility with common solvents, nitrocellulose, and thermoplastic acrylic resins.
Enhanced weather resistance and UV stability compared to conventional short-oil alkyds.
Low volatile organic compound (VOC) content, supporting compliant industrial coating formulations.
General-purpose air-drying industrial maintenance coatings for metal substrates.
Protective topcoats for agricultural and construction equipment.
Enamels for household appliances and metal furniture finishes.
Undercoat and primer-surfacer systems requiring sandability and overcoatability.
| Chemical Type | Short-oil modified alkyd resin |
| Product Form | Liquid solution in aromatic hydrocarbon solvent |
| Appearance | Clear, pale yellow to amber viscous liquid |
| Non-Volatile Content (wt%) | 60 ± 1% (at 105°C, 60 min) |
| Viscosity (25°C, Brookfield RV-DV2T, spindle #4, 20 rpm) | 8,000–12,000 cP |
| Acid Value (mg KOH/g) | 8–12 |
| Density (25°C) | 0.98–1.02 g/cm³ |
| Solubility | Compatible with xylene, Solvesso™ 100, and toluene; miscible with esters and ketones |
Q1: What is the primary application of SM3107-X-60 in coating formulations?
A: SM3107-X-60 is a medium-oil alkyd resin designed primarily for use in air-drying decorative and protective coatings, including interior and exterior architectural paints, wood finishes, and general-purpose industrial maintenance coatings where balanced gloss, flexibility, and through-dry performance are required.
Q2: Is SM3107-X-60 compatible with common co-resins and modifiers?
A: Yes, SM3107-X-60 exhibits good compatibility with standard alkyd modifiers such as melamine-formaldehyde resins, urea-formaldehyde resins, and certain acrylic co-polymers. It also blends well with conventional solvents and common pigment dispersants used in solvent-borne systems.
Q3: How should SM3107-X-60 be stored to maintain stability and performance?
A: Store in tightly sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat or ignition. Under these conditions, the resin maintains its physical and chemical properties for at least 12 months from the date of manufacture.
Q4: Can SM3107-X-60 be used in high-solids or low-VOC formulations?
A: Yes — its molecular structure and viscosity profile support formulation into medium-to-high solids coatings. When combined with appropriate solvent blends and rheology modifiers, it helps achieve VOC levels aligned with current regional regulatory expectations for architectural and industrial maintenance applications.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
