Ensures full metal fusion, minimizing leakage during brazing and soldering. Our flat BCuP-5 brazing rod has high thermal conductivity to uniform heat distribution , making it particularly suitable for efficient brazing operating in HVAC and refrigeration systems , significantly improving weld consistency and reliability. This welding stick is designed for HVAC technicians , refrigeration system engineers , and industrial equipment maintenance personnel. Each BCuP-5 welding stick contains 15% silver and is refined from a high purity copper phosphorus silver alloy , possessing excellent mechanical strength and a smooth , dense brazing finish. Solidus temperature : 1193°F (645°C) ; Liquidus temperature : 1472°F (800°C) ; Recommended assembly : 0.002"-0.006" (0.005 cm-0.015 cm) , compatible with standard copper pipe brazing process requirements., Weight: 401.22 pounds, Manufacturer: IJSDNVJNDX