Crafted with fine particles and a low 700°C melting point, this silver solder flux ensures seamless bonding on gold, silver, and copper alloys for professional jewelry repairs Engineered for instantly adhesion without requiring post soldering polishing, it preserves intricate designs and structural integrity across rings, chains, and artisanal metalwork Designed for professional jewelers, and metalworkers seeking precise in delicate repairs or intricate metal fabrication projects The premium blend of silver, copper, and delivers exceptionals fluidity to penetrate tight joints while maintaining smooth, nonresidue surfaces post soldering restores break clasps, mend antique silverware, or fuses decorative metal components in homes workshops and jewelry studios, Manufacturer: Shunzhong