2UUL SF99 Union Repair Soldering Flux Paste
The 2UUL SF99 Union Repair Soldering Flux Paste (2pcs/box) is a professional-grade soldering consumable engineered to elevate reliability and precision in electronics rework and repair. Crafted with a balanced, high-activity flux formula, SF99 improves solder wetting, enhances joint strength and reduces oxidation — making it ideal for BGA reballing, PCB soldering, IC replacement, SMT rework and precision micro-soldering tasks.
Each box includes two 15 mL syringes of SF99 flux paste, providing excellent value and extended usage for frequent repair workflows. The medium-viscosity paste spreads evenly and holds well on pads and small components, enabling accurate application without excessive bleed-out.
With low-residue performance, the SF99 leaves minimal flux remnants, reducing cleaning time and preserving delicate board surfaces. Compatible with hot air rework stations and soldering irons, this flux works reliably under high heat conditions and helps deliver consistent solder joints on modern lead-free assemblies.
Perfect for professional technicians, service centers, production lines, and advanced DIY enthusiasts, the 2UUL SF99 Union Repair Soldering Flux Paste helps you achieve cleaner, stronger, and more dependable soldering results.
⭐ Key Features
- High-Activity Flux Formula — promotes strong solder wetting and flow
- Medium Viscosity Paste — easy, controlled solder application
- Low Residue Formula — minimal post-repair cleanup
- Dual Pack (2pcs/box) — excellent value and extended usage
- Ideal for BGA Reballing & IC Rework — improves joint reliability
- PCB & SMT Soldering Compatible — works with dense board layouts
- Hot Air & Iron-Safe — stable under high temperatures
- Reduces Oxidation — cleans surfaces for quality solder joints
- Precision Micro-Soldering Friendly — great for small components
- Professional & DIY Ready — suitable for labs, workshops & repair benches
📐 Technical Specifications
| Specification | Detail |
|---|---|
| Model | 2UUL SF99 Union Repair Soldering Flux Paste |
| Pack Size | 2 pieces per box |
| Volume per Piece | 15 mL (approx.) |
| Consistency | Medium-viscosity flux paste |
| Activity Level | High activity |
| Residue | Low residue |
| Application | BGA reballing, PCB soldering, IC rework, SMT |
| Compatibility | Lead-free and standard solder alloys |
| Operation | Hot air station / soldering iron safe |
| Suitable For | Mobile phones, laptops, motherboards, gaming consoles |
| Packaging | Box with 2 syringes |



















