Kester SF800-LR Soldering Flux
Kester SF800-LR Soldering Flux is a zero-halogen, low-residue, low-solids organic liquid flux engineered specifically for solar cell tabbing and stringing applications. Developed by Kester, this specialized liquid flux delivers superior solderability across photovoltaic module assembly processes using conduction, infrared (IR), and convection reflow methods.
Key Performance Characteristics and Benefits
Formulated for precise high-volume solar panel manufacturing, SF800-LR Soldering Flux offers exceptional wetting and thermal endurance:
- Minimal Residue Output: Eliminates the need for post-solder cleaning, ensuring solar cells emerge dry and cosmetically clean from tabbing and stringing equipment.
- Zero-Halogen Formulation: Features a low-solids, organic-based composition free of halogens to prevent ionic corrosion.
- Broad Metalization Compatibility: Provides outstanding solderability and wetting across all types of cell metalization layers.
- High Peel Strength: Delivers superior peel force performance to ensure long-term mechanical and electrical stability of solder joints.
- Process Flexibility: Operates efficiently across conduction, convection, and IR reflow heating technologies.
Technical Specifications
| Property | Specification / Detail |
|---|---|
| Product Name | Kester SF800-LR Soldering Flux |
| Flux Formulation Chemistry | Zero-Halogen, Low-Residue, Low-Solids Organic Liquid |
| Target Application | Solar Tabbing and Stringing (PV Module Assembly) |
| Compatible Reflow Methods | Conduction, Infrared (IR), Convection |
| Post-Solder Cleaning | Not Required (No-Clean / Minimal Residue) |
| Cell Appearance Post-Process | Dry and Cosmetically Clean |
Conclusion
Utilizing Kester SF800-LR Soldering Flux maximizes photovoltaic cell bonding strength and operational speed without post-process cleaning. For technical data, pricing, and distribution support, please visit Contact – LORIOT INDUSTRIAL.

