Fryolux Solder Paste - 125g
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Product Information
Full details
The Fryolux Solder Paste 125g tub is an essential utility for metalworkers and hobbyists who require a reliable, versatile flux for various jointing applications. Designed for effective performance with metal solder sticks or bars, this zinc chloride-based paste is ideal for users needing precise control during soldering tasks, though it requires careful handling due to its active chemical composition.
All features
| Model Part Number | Jointing Metals Bare Brush Swab Flux Solder Grams |
|---|---|
| Brand | Nealetin |
Extended Product Information
FAQs
Can I use this for electronics or circuit boards?
No, this flux is too acidic and active for electronic components. It will likely cause permanent damage and corrosion to circuits.
Do I need to heat the paste before applying?
No, the Fryolux Solder Paste is designed to be applied cold using a brush or swab.
Is this safe to handle with bare skin?
It is recommended to wear gloves when handling active fluxes to prevent skin irritation.
Does it have a shelf life?
If kept sealed in its original tub in a cool, dry environment, it will remain effective for a long period.
What metals is this compatible with?
It is formulated for general metal jointing, specifically working well with lead-based and lead-free solder sticks used on copper and other common metals.
Troubleshooting
Solder is not flowing into the joint.
Ensure the surfaces were properly cleaned and that enough heat is being applied to the base metal, not just the solder stick.
Paste has hardened in the tub.
Add a very small amount of distilled water and stir thoroughly to return it to a workable consistency.
Visible corrosion appearing near the joint after a few days.
The flux residue was not cleaned thoroughly. Scrub the area with a cleaning agent and rinse with water to neutralize remaining chemicals.
Pros and Cons
Pros
- Highly effective for removing oxidation
- Easy to apply with a brush or swab
- Excellent value with the 125g tub size
- Compatible with a wide range of metal solder sticks
Cons
- Requires proper ventilation due to chemical components
- Active flux must be cleaned thoroughly after use to prevent corrosion
- Not suitable for electronics or delicate circuit work
Setup, Compatibility & Care
To use the paste, ensure your workpiece is mechanically cleaned of heavy dirt or grease first. Apply a thin, even coating to the joints using a small brush. Once the soldering is complete, it is critical to perform a post-process cleanup. Because the zinc chloride base is chemically active, any residue left on the metal can cause corrosion over time. Wipe away excess flux with a damp cloth or wash with warm soapy water once the joint has fully cooled. Store the tub in a cool, dry place with the lid tightly secured to prevent the paste from drying out or absorbing moisture.