Velleman Solder Flux - 10g
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Product Information
Full details
The Velleman VTFL1 solder flux is a professional-grade, halogen-free, and lead-free solution designed for electronics technicians and hobbyists working on PCB, BGA, and CSP soldering tasks. It provides consistent, high-activity performance for precision electronics assembly, ensuring clean joints and effective wetting. While highly effective, users should note its slightly acrid odor and keep in mind that it is insoluble in water, requiring specific cleaning procedures after use.
All features
| Model Part Number | VTFL1 |
|---|---|
| Brand | Velleman |
Extended Product Information
FAQs
Is this flux safe for lead-free soldering?
Yes, the Velleman VTFL1 is a lead-free and halogen-free formula specifically designed to be compatible with lead-free soldering processes.
Can I wash this off with water?
No, this flux is insoluble in water. You should use an electronic-grade solvent, such as isopropyl alcohol, to remove residue.
What is the shelf life of this product?
While it does not decompose easily, keeping the container tightly sealed and out of direct sunlight will ensure the best performance over time.
Does this flux contain halogens?
No, the VTFL1 is formulated to be halogen-free.
Is it safe to use on BGA components?
Yes, its moderate viscosity and stable rheology make it well-suited for BGA and CSP soldering applications.
Troubleshooting
Flux is too thick or difficult to apply
Ensure the container has been stored at room temperature. If it remains thick, check that the cap is tightly sealed to prevent solvent loss.
Residue remains on the PCB after soldering
Since the flux is insoluble in water, use an isopropyl alcohol (IPA) or a dedicated flux cleaner to gently scrub the board with a soft brush.
Pros and Cons
Pros
- Excellent for precision soldering tasks
- Non-flammable composition for added safety
- Moderate viscosity ensures controlled application
- Lead-free and halogen-free formula
Cons
- Slightly acrid odor during application
- Insoluble in water, requiring specialized solvents for removal
- Small 10g container size
Setup, Compatibility & Care
To use the VTFL1 effectively, ensure the target metal surfaces are free of heavy oxidation or debris. A small amount goes a long way; use a flux applicator needle or a fine-tip brush to apply the flux directly to the joint area. Once the soldering process is complete, remove residual flux using an appropriate electronic-grade solvent, as the product is insoluble in water and may leave a tacky residue if not cleaned correctly. Always store the container sealed in a cool, dry place to prevent the solvent from evaporating and to maintain the flux’s optimal viscosity. The flux is compatible with a wide range of standard electronic solders, including lead-free variants.