Megacast Handy Flux Paste - Professional Solder for Jewelry, Gold, Silver, Copper, Brass, Steel - High Heat, Strong Bond, Easy Cleanup after Soldering - 1 Lb Jar

["Megacast Professional-Grade Soldering Flux — Trusted by jewelers, metalsmiths, and repair professionals for strong, clean bonds on gold, silver, brass, copper, steel, and other metals. Ensures smooth solder flow and lasting results.","Megacast High Heat Resistance up to 1,600°F (870°C) — Maintains reliable performance during prolonged heating. Starts oxide removal at 600°F (320°C) to deliver clean, solid joints and a bright finish","Megacast Low-Residue Formula for Easy Cleanup — Leaves minimal residue that rinses away easily with hot water, preserving metal shine and reducing post-solder polishing time","Megacast Smooth, Precise Application — Thick paste consistency allows accurate placement in detailed soldering jobs, from ring resizing to chain and clasp repair.","Megacast Multi-Metal Versatility — Ideal for jewelry fabrication, silversmithing, brass and copper repairs, and fine metalwork requiring consistent, professional-quality results."]