F-21 Solder Flux
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After multiple grinding, the paste is more delicate.
Imported rosin is an excellent raw material, the high active factor can fully fill the solder with the solder, stronger adhesion, less reflow residue, environmental protection and lead-free.
Smoke and no choking smell， High-definition transparent, bright solder joints.
Syringe design, With the putter and needle, welding is not wasteful, more precise, after use, the sealing plug can be reused many times.