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High reactivity with amine and anhydride hardeners for rapid cure at ambient or elevated temperatures.
Excellent chemical resistance to acids, alkalis, and solvents after full curing.
Low viscosity (11,000–13,000 cP at 25°C) enabling easy processing, impregnation, and degassing.
Superior electrical insulation properties with high dielectric strength and volume resistivity.
Good adhesion to metals, glass, and composite substrates without surface priming.
Electrical encapsulation of transformers, reactors, and high-voltage insulators.
Structural adhesive formulations for aerospace and automotive bonding.
Matrix resin for filament-wound pressure vessels and composite tanks.
Castings and potting compounds for power electronics and sensor housings.
Laminating resin for high-performance prepregs in wind turbine blade cores.
| Chemical Type | Bisphenol-F based liquid epoxy resin |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Transparent, slightly yellow, homogeneous liquid |
| Epoxy Equivalent Weight (EEW) | 175–185 g/eq |
| Viscosity (25°C) | 11,000–13,000 cP |
| Chloride Content | ≤ 500 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Storage Stability | ≥ 12 months at 20–25°C in sealed containers |
Q1: What is the primary functional role of SMF-2004 in epoxy formulations?
A: SMF-2004 functions as a reactive diluent and viscosity modifier, enabling improved processability—especially in high-solids or solvent-free systems—while maintaining crosslink density and thermal stability after cure.
Q2: Is SMF-2004 compatible with standard amine-based hardeners?
A: Yes, SMF-2004 demonstrates broad compatibility with aliphatic, cycloaliphatic, and aromatic amine hardeners, supporting consistent reactivity and mechanical performance across common curing schedules.
Q3: How does SMF-2004 affect the final cured film’s chemical resistance?
A: As a low-viscosity, difunctional epoxy resin, SMF-2004 contributes to a densely crosslinked network that enhances resistance to weak acids, alkalis, and polar solvents—particularly when fully cured under appropriate thermal conditions.
Q4: Can SMF-2004 be used in food-contact compliant coatings?
A: SMF-2004 is not pre-certified for direct food contact; its suitability depends on full formulation evaluation—including hardener selection, cure profile, and regulatory review by the end-user’s compliance team—against applicable regional requirements.
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