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High-purity bisphenol-A based liquid epoxy resin with consistent molecular weight distribution.
Excellent compatibility with standard amine and anhydride curing agents for broad formulation flexibility.
Low viscosity (11,000–13,000 cP at 25°C) enabling easy handling, mixing, and processing in industrial equipment.
Superior electrical insulation properties and low dielectric loss suitable for electronic encapsulation.
Good thermal stability and adhesion to metals, glass, and composite substrates after cure.
Electrical & electronic encapsulants and potting compounds.
Structural adhesives for aerospace and automotive bonding.
Composite matrix resin for fiber-reinforced laminates (e.g., carbon/glass fiber).
High-performance coatings for corrosion-resistant industrial linings.
Wind turbine blade bonding and structural reinforcement systems.
| Chemical Type | Bisphenol-A epoxy resin |
| Product Form | Clear, amber-colored liquid |
| Appearance | Homogeneous, transparent, slightly viscous liquid |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 11,000–13,000 cP |
| Chlorine Content | ≤ 700 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Storage Stability | ≥ 12 months at <25°C in sealed containers |
Q1: What is the primary application niche for KUKDO YD-115E?
A: KUKDO YD-115E is a liquid bisphenol-A based epoxy resin primarily formulated for high-performance coating systems—especially industrial maintenance coatings, marine primers, and corrosion-resistant tank linings—where balanced reactivity, adhesion to steel or concrete, and chemical resistance are critical.
Q2: How does YD-115E differ from standard DGEBA resins like EPON 828 or YD-128?
A: YD-115E features a slightly lower average molecular weight and optimized epoxide equivalent weight compared to higher-viscosity resins, resulting in improved flow characteristics and enhanced compatibility with common amine and polyamide curing agents—without requiring aggressive solvents or elevated processing temperatures.
Q3: Is YD-115E suitable for food-contact or potable water applications?
A: YD-115E is not pre-certified for direct food-contact or potable water use. Its suitability for such applications depends on full formulation compliance—including compatible hardeners, additives, and final cured film testing—per relevant regulatory frameworks; end-users must validate compliance through third-party assessment.
Q4: What are typical storage conditions and shelf life recommendations?
A: Store in original sealed containers at temperatures between 15–25°C, away from moisture, direct sunlight, and strong oxidizers. Under these conditions, the recommended shelf life is 12 months from date of manufacture. Prolonged exposure to low temperatures may cause crystallization, which is reversible by gentle warming to 40–50°C with thorough mixing.
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