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Low-viscosity liquid formulation for excellent processability and easy metering/mixing.
Fast-reacting aliphatic amine-based chemistry enabling rapid gelation and early handling strength.
Superior compatibility with standard DGEBA-type epoxy resins without phase separation.
Low volatility and low odor, supporting safer handling in enclosed or semi-ventilated production environments.
Good flexibility retention in cured networks, reducing brittleness in thermal cycling applications.
Electrical potting and encapsulation for transformers, sensors, and PCB modules.
Structural adhesives for automotive trim assembly and lightweight composite bonding.
Coating systems for corrosion protection of metal substrates in industrial equipment.
Composite matrix resin for filament-wound pipes and pressure vessels.
Tooling and mold-making compounds requiring short demold times and dimensional stability.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Clear to pale yellow liquid |
| Appearance | Homogeneous, transparent liquid |
| Density (25°C) | 0.92–0.94 g/cm³ |
| Viscosity (25°C) | 250–400 mPa·s |
| Amine Value | 380–420 mg KOH/g |
| Reactivity Profile | Medium-to-fast cure at ambient temperature; accelerated at 60–80°C |
| Primary Applications | Potting, adhesives, coatings, composites |
Q1: What is the primary chemical class of BE186EL?
A: BE186EL is an amine-functionalized curing agent based on modified aliphatic amine chemistry, designed to provide balanced reactivity and low volatility for epoxy resin systems.
Q2: Is BE186EL suitable for room-temperature cure applications?
A: Yes, BE186EL is formulated to enable effective room-temperature curing of standard bisphenol-A and bisphenol-F epoxy resins, though elevated temperatures may be used to accelerate full property development.
Q3: How does BE186EL compare to conventional DETA or TETA in terms of handling safety?
A: BE186EL offers reduced volatility and lower skin sensitization potential compared to unmodified aliphatic polyamines like DETA or TETA, making it safer to handle in industrial environments—though appropriate PPE and ventilation are still required.
Q4: Can BE186EL be used in high-performance coating or adhesive formulations?
A: Yes, BE186EL delivers good chemical resistance, adhesion to diverse substrates, and mechanical toughness after cure, supporting its use in demanding protective coatings, structural adhesives, and electrical encapsulation systems.
Q5: What is the typical dosage range for BE186EL in epoxy formulations?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight relative to epoxy resin solids, with optimal levels determined through small-scale compatibility and performance testing.
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E-mail: wangxingqiang@ericwchem.com
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