These 15% silver brazing rods feature a flux coated surface to ensure clean melting, reduced oxidation, and consistent performance. Perfect for silver solder hvac systems, copper tubing, and soldadura work requiring precision and durability. Suitable for professional technicians or workshop use. Quality Material – Each brazing rod contains 15% silver for exceptional flow, strength, and heat stability. Deep Capillary Penetration – Ensures full metal fusion, minimizing leakage during brazing and soldering. High-Performance Brazing Rods – Consistent results on HVAC, refrigeration, and plumbing copper joints. Wide Thermal Window – Operates between 1193°F–1472°F, perfect for silver solder hvac and brass brazing rod use. Complete Kit – Includes 20 pcs rods, ideal for professionals working on welding, soldadura, or industrial assembly.