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Excellent chemical resistance to solvents, acids, and alkalis for durable protective coatings.
High gloss retention and superior color stability under UV exposure and outdoor weathering.
Optimized viscosity and reactivity for smooth application and efficient curing with melamine-formaldehyde crosslinkers.
Low volatile organic compound (VOC) content, supporting compliance with stringent environmental regulations.
Consistent batch-to-batch performance ensured by Chang Chun’s ISO 9001-certified manufacturing control.
Prefinished metal coil coatings for architectural panels and roofing systems.
Automotive OEM and refinish topcoats requiring high aesthetics and corrosion protection.
Appliance coatings for refrigerators, washing machines, and ovens.
General industrial maintenance coatings for metal furniture and enclosures.
Can coatings for food and beverage containers requiring FDA-compliant formulations.
| Chemical Type | Saturated polyester resin, melamine-curable |
| Product Form | Liquid, solvent-based |
| Appearance | Clear to pale yellow transparent liquid |
| Non-Volatile Content (wt%) | 58–62% (at 120°C, 60 min) |
| Acid Value (mg KOH/g) | 8–12 |
| Hydroxyl Value (mg KOH/g) | 140–160 |
| Gardner Color | ≤ 3 |
| Viscosity (25°C, mPa·s) | 3,500–5,500 (Brookfield RV-DV2T, spindle #3, 20 rpm) |
Q1: What is the primary application field for ETERKYD 5063-X-70?
A: ETERKYD 5063-X-70 is specifically formulated for high-performance coil coating systems, where excellent gloss retention, flexibility, and resistance to weathering and chemical exposure are required.
Q2: Is this resin suitable for use in food-contact coatings?
A: While ETERKYD 5063-X-70 is designed for industrial metal finishing, its suitability for food-contact applications depends on final formulation, curing conditions, and regulatory evaluation by the end-user. It is not pre-certified for such use and requires full compliance verification per applicable jurisdictional requirements.
Q3: How does ETERKYD 5063-X-70 differ from conventional unsaturated polyester resins?
A: As a saturated polyester resin, ETERKYD 5063-X-70 offers superior hydrolytic stability and reduced susceptibility to yellowing under UV exposure compared to unsaturated types, making it especially well-suited for outdoor coil-coated substrates requiring long-term durability.
Q4: What type of crosslinkers is ETERKYD 5063-X-70 typically formulated with?
A: This resin is commonly used with melamine-formaldehyde crosslinkers in solvent-borne or high-solids coil coating systems. Compatibility with alternative crosslinkers—such as blocked isocyanates—should be confirmed through laboratory evaluation due to differences in cure kinetics and film properties.
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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
