Discover the ultimate solution for precise, clean, and reliable soldering with our Solder Paste Rosin Flux available in 10 g, 30 g, and 100 g packs. Formulated as a lead‑free welding flux, this premium soldering paste delivers exceptional wetting, excellent oxidation protection, and smooth flow for professional iron repair, electronics assembly, and hobby projects.
Key Highlights
- Lead‑free, RoHS‑compliant formula for safe, environmentally friendly soldering.
- High‑purity rosin flux ensures superior oxidation resistance and excellent wetting.
- Available in 10 g, 30 g, and 100 g sizes to suit hobbyists, small workshops, and industrial production.
- Low residue, easy clean‑up – no corrosive acids or harmful chemicals.
- Ideal for iron repair, PCB assembly, jewelry making, and precision electronics.
Benefits
- Strong, reliable joints – the flux promotes consistent solder flow and strong metallurgical bonds.
- Reduced spatter and bridging – precise application minimizes excess solder and short‑circuit risk.
- Enhanced safety – lead‑free composition protects both the user and the environment.
- Long shelf life – airtight packaging preserves flux activity for months.
How to Use
- Apply a thin, even layer of flux to the clean, pre‑tinned surface using a brush or dispenser.
- Heat the joint with a soldering iron (300–400 °C) until the solder melts and spreads evenly.
- Allow the joint to cool naturally; excess flux can be removed with isopropyl alcohol if desired.
- For best results, work in a well‑ventilated area and use appropriate PPE.
Technical Specifications
- Composition: Rosin (active) + organic solvents (lead‑free).
- Viscosity: Medium – easy to spread, minimal runoff.
- Flash point: ≥ 120 °C.
- Packaging: Resealable aluminum foil pouch (10 g / 30 g / 100 g).
- Storage: Store in a cool, dry place away from direct sunlight.
Why Choose Our Solder Paste Rosin Flux?
Our flux is engineered for both professional technicians and DIY enthusiasts who demand high performance without compromising safety. Whether you’re repairing a delicate circuit board, assembling a new device, or crafting intricate metalwork, this lead‑free welding flux provides the consistency and reliability you need to achieve flawless results every time.
Price: Original price was: $ 3.99.$ 1.96Current price is: $ 1.96.

