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High-purity bisphenol-A based liquid epoxy resin with low chlorine content.
Excellent compatibility with standard amine and anhydride curing agents.
Low viscosity (12,000–14,000 cP at 25°C) enabling easy handling and processing.
Superior electrical insulation properties and dielectric strength.
Good thermal stability and adhesion to metals, glass, and composites.
Electrical encapsulation of transformers, reactors, and high-voltage insulators.
Matrix resin for filament-wound composite pressure vessels.
Adhesives for structural bonding in aerospace and rail components.
Coating formulations for corrosion-resistant linings in chemical equipment.
Prepregs and laminates for printed circuit board (PCB) substrates.
| Chemical Type | Bisphenol-A epoxy resin |
| Product Form | Clear, pale yellow liquid |
| Appearance | Transparent, slightly viscous liquid |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–14,000 cP |
| Chlorine Content | ≤ 800 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Density (25°C) | 1.16–1.18 g/cm³ |
Q1: What is the primary functional role of Shikoku L-07N in epoxy formulations?
A: Shikoku L-07N is a reactive liquid epoxy resin modifier designed to reduce system viscosity, improve processability, and enhance flexibility without significantly compromising thermal stability or chemical resistance in cured networks.
Q2: Is Shikoku L-07N suitable for use in food-contact or pharmaceutical-grade epoxy systems?
A: While L-07N is not pre-certified for direct food contact, it has been successfully incorporated into compliant epoxy systems where final formulation meets applicable regulatory requirements—validation must be performed at the finished product level by the formulator.
Q3: How does L-07N compare to conventional bisphenol-A based epoxy resins in terms of reactivity?
A: L-07N exhibits moderate reactivity—lower than standard DGEBA resins but higher than many high-molecular-weight solid epoxies—making it well-suited for ambient or mild thermal cure cycles when paired with appropriate hardeners.
Q4: Can L-07N be used as a sole resin component, or is it intended only as a co-resin?
A: L-07N is formulated as a reactive diluent and modifier—not a standalone base resin—and is typically blended with higher-functionality epoxy resins to balance performance, handling, and crosslink density.
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