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High-solids, low-viscosity formulation enabling excellent sprayability and film build.
Optimized for ambient- or low-bake curing with conventional melamine crosslinkers.
Superior gloss retention and color stability under UV exposure and weathering conditions.
Good compatibility with common automotive and industrial topcoat additives (e.g., flow agents, defoamers).
Consistent batch-to-batch performance supported by Chang Chun’s ISO 9001-certified manufacturing.
Automotive OEM and refinish topcoats (basecoat/clearcoat systems).
Industrial maintenance coatings for metal furniture and agricultural equipment.
General-purpose coil coating primers and topcoats for pre-painted steel.
Appliance finishes requiring high hardness, mar resistance, and chemical durability.
Architectural metal cladding and façade coatings demanding long-term gloss and chalking resistance.
| Chemical Type | Saturated polyester resin |
| Product Form | Liquid, solvent-based |
| Appearance | Clear to pale yellow transparent liquid |
| Non-Volatile Content (wt%) | 58–62% (at 125°C, 60 min) |
| Viscosity (mPa·s, 25°C) | 3,500–4,500 (Brookfield RV, spindle #3, 20 rpm) |
| Acid Value (mg KOH/g) | 12–16 |
| Hydroxyl Value (mg KOH/g) | 110–130 |
| Recommended Crosslinker | High-α-methylol melamine (e.g., Cymel 303, Resimene 747) |
Q1: What is the primary application of ETERKYD 5067-R-67 in coating systems?
A: ETERKYD 5067-R-67 is a specialty unsaturated polyester resin designed for high-performance coil coating and can coating applications, where excellent gloss retention, flexibility, and resistance to weathering and chemical exposure are required.
Q2: How does ETERKYD 5067-R-67 differ from conventional alkyd or standard polyester resins?
A: Unlike traditional alkyds, ETERKYD 5067-R-67 features a modified unsaturated polyester backbone with enhanced crosslink density and optimized molecular architecture, delivering superior hardness development, faster cure response under typical coil line conditions, and improved resistance to solvents and thermal cycling.
Q3: Is ETERKYD 5067-R-67 compatible with common curing agents used in industrial coil coatings?
A: Yes — it is formulated to be compatible with standard melamine-formaldehyde crosslinkers and can also be effectively cured with alternative amino resins or peroxide-initiated systems, depending on the specific formulation goals and cure schedule.
Q4: What viscosity range can be expected for ETERKYD 5067-R-67 in common solvent blends?
A: The resin exhibits medium-to-low solution viscosity when dissolved in standard aromatic or ketonic solvents (e.g., xylene, butyl acetate, or MEK), facilitating easy handling and integration into high-solids coating formulations without excessive dilution.
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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
