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High purity bisphenol-A based liquid epoxy resin with low ionic impurity content.
Excellent compatibility with standard amine and anhydride curing agents.
Low viscosity (10,000–12,000 cP at 25°C) enabling easy handling and processing.
Superior electrical insulation properties and thermal stability up to 130°C.
Consistent batch-to-batch performance meeting stringent industrial quality control standards.
Electrical encapsulation and potting compounds for transformers and sensors.
High-performance laminating resins for printed circuit board (PCB) substrates.
Structural adhesives in aerospace and automotive composite bonding.
Coating systems for corrosion-resistant industrial tank linings and pipe coatings.
Composite matrix resin for fiber-reinforced wind turbine blade components.
| Chemical Type | Bisphenol-A epoxy resin |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Colorless to pale yellow transparent liquid |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 10,000–12,000 cP |
| Chloride Content | ≤ 750 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Storage Stability | 12 months at ≤ 25°C in sealed original packaging |
Q1: What is the primary application area for KUKDO SM828U Epoxy Resin?
A: KUKDO SM828U is specially formulated as a reactive diluent and viscosity modifier for high-performance epoxy systems, commonly used in electrical insulation coatings, potting compounds, and advanced composite matrices where low volatility and good compatibility with standard DGEBA resins are required.
Q2: How does SM828U affect the curing behavior of epoxy formulations?
A: SM828U participates in the crosslinking reaction as a mono-functional or low-functionality reactive diluent, which reduces initial viscosity without significantly compromising final network density. It typically extends working time slightly while maintaining acceptable gel time and thermal stability in cured systems.
Q3: Is SM828U compatible with common amine and anhydride hardeners?
A: Yes, SM828U demonstrates broad compatibility with aliphatic and aromatic amines, as well as cyclic anhydrides. It integrates homogeneously into most two-component epoxy systems without phase separation, though optimal performance should be verified under specific formulation conditions.
Q4: What handling precautions should be observed during processing?
A: As with most epoxy resins, appropriate personal protective equipment—including nitrile gloves, safety goggles, and adequate ventilation—is recommended. Avoid prolonged skin contact and inhalation of mists or vapors. Store in tightly sealed containers away from moisture, heat, and direct sunlight.
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