August 24, 2026 Kester 2166-BN Flux: High-Performance Organic Flux Solution
Kester 2166-BN Flux is a halide-free, organic flux engineered specifically for the automated soldering of circuit board assemblies. Operating effectively on both bare copper and solder-coated boards, this formulation delivers reliable fluxing activity without relying on harsh ionic additives. For additional insights on industry-leading joining technologies, visit Kester.
Key Features and Process Advantages
Free from aggressive chemical agents, Kester 2166-BN Flux combines strong soldering action with excellent environmental safety and post-solder washability. Key benefits include:
- Halide-Free Formula: Contains zero chlorides, bromides, phosphates, or highly corrosive materials, simplifying residue removal after soldering.
- VOC-Free Environmental Profile: Completely free of volatile organic compounds, eliminating ozone-depleting chemicals and reducing solvent emissions in assembly facilities.
- Superior Surface Insulation Resistance: Provides higher SIR values than standard water-soluble fluxes, making it ideally suited for high-density surface mount assemblies.
- Solder Resist Compatibility: Demonstrates enhanced chemical compatibility with solder resists compared to conventional water-soluble flux solutions.
- Aqueous Cleanability: Yields bright, shiny solder joints with residues that can be thoroughly removed using standard water cleaning equipment.
Assembly Compatibility
By preventing chemical degradation during exposure to elevated temperatures, Kester 2166-BN Flux protects sensitive circuit features while helping manufacturers maintain zero-VOC manufacturing standards.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Product Name | Kester 2166-BN Soldering Flux |
| Flux Type | Halide-Free, VOC-Free Organic Water-Soluble Flux |
| Halide Content | 0.0% (Free of Chlorides, Bromides, Phosphates) |
| VOC Level | 0% (Volatile Organic Compound Free) |
| Surface Compatibility | Bare Copper, Solder-Coated Boards, Standard Solder Resists |
| Post-Solder Cleaning | Standard Aqueous / Water Cleaning Systems |
Conclusion
With its combination of zero-VOC formulation, halide-free purity, and excellent surface insulation resistance, Kester 2166-BN Flux is an outstanding choice for modern automated PCB manufacturing. To learn more or discuss technical support, please visit Contact – LORIOT INDUSTRIAL.
