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Low viscosity liquid epoxy resin enabling excellent processability and easy handling in mixing and dispensing operations.
High purity with low chlorine content, supporting superior electrical insulation properties and long-term reliability.
Consistent reactivity profile optimized for compatibility with common amine and anhydride curing agents.
Excellent adhesion to metals, composites, and cured polymer substrates without requiring aggressive surface pretreatment.
Good thermal stability and hydrolytic resistance, contributing to robust performance in demanding environments.
Electrical encapsulation and potting of transformers, sensors, and power electronics modules.
Structural adhesives for aerospace and automotive bonding applications requiring high strength and temperature resistance.
Matrix resin for filament-wound composites and pultruded profiles in industrial and infrastructure applications.
Coating systems for corrosion protection of steel pipelines and offshore equipment.
Formulation base for high-performance composite tooling and mold-making resins.
| Chemical Type | Bisphenol-A based liquid epoxy resin |
| Product Form | Clear, pale yellow liquid |
| Appearance | Homogeneous, low-viscosity liquid at 25°C |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity at 25°C | 12,000–16,000 cP |
| Chloride Content | ≤ 800 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Primary Applications | Encapsulation, adhesives, composites, protective coatings |
Q1: What is the primary functional role of Dow DER A 3414 in epoxy formulations?
A: Dow DER A 3414 is a liquid bisphenol-A based epoxy resin designed primarily as a reactive diluent and viscosity modifier. It reduces formulation viscosity without significantly compromising crosslink density or thermal performance, enabling improved processability in coating, adhesive, and encapsulation applications.
Q2: Is Dow DER A 3414 compatible with common amine and anhydride curing agents?
A: Yes, Dow DER A 3414 exhibits broad compatibility with standard aliphatic and aromatic amines, as well as cyclic anhydrides. Its reactivity profile supports conventional epoxy-amine and epoxy-anhydride cure chemistries, though optimal stoichiometry and cure schedules should be determined experimentally for each specific system.
Q3: How does Dow DER A 3414 compare to conventional glycidyl ether reactive diluents in terms of volatility and handling safety?
A: As a higher-molecular-weight liquid epoxy resin, Dow DER A 3414 has very low volatility and negligible vapor pressure at ambient conditions. This makes it safer to handle than low-MW monofunctional diluents, with reduced inhalation risk and no significant flash point concerns under standard storage and processing conditions.
Q4: Can Dow DER A 3414 be used in food-contact or potable water applications?
A: Dow DER A 3414 is not pre-approved for direct food-contact or potable water applications. Formulators intending such use must conduct full regulatory evaluation—including extraction testing and compliance verification—according to applicable regional requirements, as final approval depends on the complete cured system and end-use conditions.
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