KESTER 186 Soldering Flux
Harmonization Code : 29051200 | Propan-1-ol (propyl alcohol) and propan-2-ol (isopropyl alcohol)
Main features
- Approved under MIL-F-14256 as Rosin Mildly Activated.
- High thermal stability
- Excellent electrical reliability
Product Description
Kester 186 Rosin Flux is a high-performance formula developed for critical soldering applications, even on difficult assemblies, where process requirements mandate a Type RMA (Rosin Mildly Activated) flux. It meets requirements for MIL-F-14256 and provides fluxing ability approaching that of Type RA flux.
Kester 186 is engineered for reliability, possessing high thermal stability suitable for soldering multi-layer assemblies that require high preheat temperatures. Its residue offers superior electrical and environmental properties, making it acceptable for many no-clean applications.
Product Key Features
- Maintains performance and residue solubility even after exposure to high preheat temperatures for multi-layer soldering.
- Causes no surface insulation resistance (SIR) degradation.
- Non-corrosive and non-conductive.
- No-clean compatible
Applications
- Designed for use in applications where difficult assemblies must be soldered but an RMA flux type is required.
- Ideal for soldering complex multi-layer electronic assemblies requiring high preheat temperatures.
KESTER 186
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TDS, SDS & Technical Documents
Technical Specifications
General Properties
Thermal Properties
Additional Information
In Wave Soldering, 186 can be applied to circuit boards by a foam or dip process. An air knife after the flux tank is recommended tp remove excess flux from the circuit board and prevent dripping on the preheated surface. A spray application can be used if the spray system can handle a high solids flux (36%).
▶ Alcohol-base Flux Wave Soldering Profile (Click here to expand)
