August 25, 2026 Kester NF372-TB Flux-Pen
The Kester NF372-TB Flux-Pen is a zero-halogen, no-clean, low solids flux formulated specifically for precision rework on conventional and surface mount (SMT) circuit board assemblies. Developed by Kester, this portable pen applicator provides clean, controlled dispense for high-reliability electronics manufacturing and repair.
Key Benefits and Performance Features
Engineered for high-reliability applications, NF372-TB Flux-Pen delivers critical electrical protection alongside excellent cosmetic results:
- Raw State Insulation Safety: Passes IPC SIR testing even in an unheated or raw state, making it extremely safe for delicate rework.
- Zero-Halogen Chemistry: Meets strict environmental and safety compliance without compromising fluxing efficiency.
- No-Clean Formula: Leaves minimal, clear, and non-tacky residues that eliminate the need for post-solder washing.
- Enhanced Aesthetics: Preserves board visual quality without dark or sticky buildup around hand-soldered components.
- Versatile Application: Ideal for both through-hole rework and surface mount technology (SMT) assemblies.
Technical Specifications Table
| Property | Specification Details |
|---|---|
| Product Name | NF372-TB Flux-Pen |
| Flux Type | Zero-Halogen, No-Clean, Low Solids |
| IPC J-STD-004B Classification | ROL0 |
| Halogen Content | Zero-Halogen |
| IPC SIR Testing | Passes in Raw / Unheated State |
| Residue Appearance | Minimal, Clear, Non-Tacky |
Conclusion
Using Kester NF372-TB Flux-Pen ensures safe, high-reliability rework with transparent and non-corrosive results. For procurement and technical inquiries, please visit Contact – LORIOT INDUSTRIAL.
