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High-purity bisphenol-A based liquid epoxy resin with low chloride content.
Excellent compatibility with standard amine and anhydride curing agents.
Consistent viscosity and epoxide equivalent weight (EEW) for reliable process control.
Superior electrical insulation properties and thermal stability after curing.
Low volatile organic compound (VOC) emission, supporting eco-friendly manufacturing practices.
Electrical potting and encapsulation of transformers, reactors, and high-voltage components.
Structural adhesives for aerospace composite bonding and automotive under-hood assemblies.
Coatings for corrosion-resistant linings in chemical storage tanks and piping systems.
Matrix resin for fiber-reinforced composites used in wind turbine blades and marine structures.
Printed circuit board (PCB) laminates and prepreg systems requiring high Tg and dimensional stability.
| Chemical Type | Bisphenol-A diglycidyl ether (DGEBA) |
| Product Form | Clear to pale yellow liquid |
| Appearance | Homogeneous, transparent, free from gel or sediment |
| Epoxide Equivalent Weight (EEW) | 184–190 g/eq |
| Viscosity at 25°C | 12,000–15,000 cP |
| Chlorine Content (Total Cl) | ≤ 750 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Primary Applications | High-performance composites, electrical insulation, protective coatings |
Q1: What is the primary application of KUKDO YD-128MX75 epoxy resin?
A: KUKDO YD-128MX75 is a liquid bisphenol-A type epoxy resin designed primarily for use in high-performance coating systems, including industrial maintenance coatings, protective linings, and corrosion-resistant finishes for metal substrates.
Q2: How does YD-128MX75 differ from standard DGEBA resins?
A: YD-128MX75 features a modified molecular structure that provides improved compatibility with certain amine hardeners and enhanced flexibility in cured films—without sacrificing chemical resistance or adhesion to steel and concrete substrates.
Q3: Is YD-128MX75 suitable for solvent-free or low-VOC formulations?
A: Yes—it exhibits favorable viscosity and reactivity characteristics that support formulation into solvent-free or low-VOC epoxy systems, especially when paired with reactive diluents or latent hardeners.
Q4: What are recommended storage conditions for this resin?
A: Store in original sealed containers at temperatures between 10–30 °C, away from direct sunlight and moisture. Prolonged exposure to freezing conditions or excessive heat may affect viscosity and handling properties.
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