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High-purity bisphenol-A based liquid epoxy resin with consistent molecular weight distribution.
Excellent compatibility with common amine, anhydride, and phenolic curing agents.
Low volatility and low chloride content, supporting high electrical insulation performance.
Good thermal stability and low viscosity for ease of processing in casting and impregnation applications.
Reproducible quality batch-to-batch, meeting stringent industrial manufacturing requirements.
Electrical insulation systems for transformers, reactors, and busbar encapsulation.
High-voltage insulators and composite core materials in power transmission equipment.
Casting resins for medium- and high-voltage switchgear components.
Impregnation resins for dry-type motors, generators, and inductors.
Structural bonding adhesives requiring thermal and chemical resistance in industrial assembly.
| Chemical Type | Bisphenol-A diglycidyl ether (DGEBA) |
| Product Form | Clear, pale yellow to amber liquid |
| Appearance | Homogeneous, transparent liquid at 25 °C |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity at 25 °C | 12,000–16,000 mPa·s |
| Chloride Content | ≤ 750 ppm |
| Softening Point | Not applicable (liquid at room temperature) |
| Primary Applications | Electrical insulation, casting, impregnation, and structural bonding |
Q1: What is the primary application area for BECKOPOX EP 140?
A: BECKOPOX EP 140 is a liquid bisphenol-A based epoxy resin primarily designed for high-performance industrial coatings, including can and coil coatings, where excellent adhesion, chemical resistance, and cure flexibility are required.
Q2: How does BECKOPOX EP 140 differ from standard solid epoxy resins like EPON 828 or DGEBA?
A: Unlike conventional solid epoxy resins, BECKOPOX EP 140 is a low-viscosity liquid with a tailored molecular weight distribution, enabling easier handling, improved formulation stability, and enhanced compatibility with common crosslinkers—especially in high-solids or solvent-reduced systems.
Q3: Is BECKOPOX EP 140 suitable for food-contact coatings?
A: BECKOPOX EP 140 is formulated to support compliance with global food-contact regulations when incorporated into fully cured, validated coating systems. Final regulatory suitability depends on the complete formulation, curing conditions, and intended end-use—consult Allnex for technical documentation supporting food-contact applications.
Q4: Which crosslinking agents are commonly used with BECKOPOX EP 140?
A: It exhibits good reactivity with standard amine-based hardeners (e.g., aliphatic or cycloaliphatic amines), as well as with carboxyl-functional polyesters and anhydrides in thermoset systems. Compatibility and cure performance should be verified experimentally for each specific formulation.
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