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High reactivity with amine and anhydride curing agents for rapid gelation and short cycle times.
Excellent adhesion to metals, composites, and cured epoxy substrates without surface priming.
Low viscosity (12,000–15,000 cP at 25°C) enabling easy handling, degassing, and deep impregnation.
Superior electrical insulation properties with high dielectric strength and volume resistivity.
Good chemical resistance to alkalis, diluted acids, and common solvents after full cure.
Electrical encapsulation of transformers, reactors, and high-voltage insulators.
Structural bonding in wind turbine blade assembly and aerospace composite components.
Matrix resin for filament-wound pressure vessels and carbon fiber reinforced tanks.
Castings and potting compounds for power electronics and EV battery module protection.
Repair and refurbishment of industrial flooring and concrete infrastructure.
| Chemical Type | Bisphenol-A based liquid epoxy resin |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Homogeneous, transparent, free of sediment |
| Epoxy Equivalent Weight (EEW) | 185–195 g/eq |
| Viscosity (25°C) | 12,000–15,000 cP |
| Chloride Content | < 1,000 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Storage Stability | 12 months at < 25°C in sealed original container |
Q1: What is the primary functional role of KUKDO SM6091 in epoxy formulations?
A: KUKDO SM6091 is a reactive diluent designed to reduce viscosity and improve processability of standard bisphenol-A or bisphenol-F based epoxy resins without significantly compromising crosslink density or thermal performance.
Q2: Is KUKDO SM6091 compatible with common amine and anhydride curing agents?
A: Yes, SM6091 demonstrates broad compatibility with aliphatic and cycloaliphatic amines, as well as aromatic amines and acid anhydrides commonly used in industrial epoxy systems.
Q3: How does SM6091 affect pot life and gel time compared to non-reactive diluents?
A: As a reactive diluent, SM6091 participates in the curing reaction and generally maintains longer pot life than highly reactive mono-functional modifiers—offering a balanced trade-off between viscosity reduction and working time.
Q4: Can SM6091 be used in high-performance coating or composite applications requiring good chemical resistance?
A: Yes—when properly formulated and cured, systems containing SM6091 retain robust chemical resistance and mechanical integrity, making them suitable for protective coatings, electrical encapsulants, and structural composites where low viscosity processing is critical.
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