Dynaflow® Description: PhosCopper Brazing AlloyDynaflow melts and flows at temperatures very close to Stay Silv 15, and provides comparable brazed mechanical properties. This makes Dynaflow an excellent cost effective alternative to the 15% silver alloys. This premium, medium range silver alloy has been meticulously formulated to even tighter specifications than our standard copper-to-copper alloys.PN: D620F1 .050" x 1/8" - 28 Stick Tube (1 LB of alloy)Cu - 87.9%P - 6.1%Ag - 6%Solidus: 1190° F - 643° CLiquidus: 1465° F - 796° CFluidity Rating: 3Recommended Joint Clearance: .003" / .006"