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Low-viscosity liquid epoxy resin enabling excellent flow and wetting in demanding formulations.
High purity with consistent epoxide equivalent weight (EEW) for reliable reactivity and cure performance.
Excellent compatibility with a broad range of curing agents, including amines, anhydrides, and phenolics.
Superior electrical insulation properties suitable for high-reliability electronic encapsulation.
Good adhesion to metals, composites, and engineered substrates without requiring surface priming.
Electrical and electronic encapsulants for transformers, sensors, and power modules.
Structural adhesives for aerospace and automotive bonding applications.
Matrix resin for filament-wound composite pressure vessels and pipes.
Coating systems for corrosion protection of steel infrastructure and pipelines.
Formulation base for high-performance casting and potting compounds.
| Chemical Type | Bisphenol-A based liquid epoxy resin |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Water-white to pale yellow, transparent |
| Epoxide Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity at 25°C | 12,000–14,000 cP |
| Chlorine Content | ≤ 800 ppm (total chlorine) |
| Softening Point | Not applicable (liquid at room temperature) |
| Density at 25°C | 1.16–1.18 g/cm³ |
Q1: What is the primary chemical classification of EPIKOTE 215?
A: EPIKOTE 215 is a liquid bisphenol-A based epoxy resin, characterized by its low viscosity and reactive epoxide functionality, making it suitable as a base resin in formulated epoxy systems.
Q2: How does EPIKOTE 215 compare to solid epoxy resins in terms of processing?
A: As a liquid resin, EPIKOTE 215 offers simplified handling—no melting or pre-heating is required—enabling easier metering, mixing, and incorporation into coatings, adhesives, and composites at ambient or moderately elevated temperatures.
Q3: Is EPIKOTE 215 compatible with common amine-based hardeners?
A: Yes, EPIKOTE 215 is widely used with aliphatic, cycloaliphatic, and aromatic amine hardeners, providing flexibility in cure speed, thermal performance, and mechanical properties depending on the selected curing agent and formulation conditions.
Q4: Can EPIKOTE 215 be used in high-performance composite applications?
A: Yes, due to its good wetting behavior, reactivity, and ability to yield thermosets with balanced toughness and rigidity, it is commonly employed in fiber-reinforced composites for industrial and transportation sectors—though final performance depends on full system design including hardener, fillers, and processing parameters.
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