B00E78UT5W ALUMALOY as seen on TV is an easy to use, fluxless & arcless aluminum repair rod. Watch Alumaloy in action on youtube key word Alumaloy The benefit of Alumaloy is the 500  differential in melting temperature requirements Alumaloy melts at close to 728  F whereas aluminum melts at near 1220  F. Tensile Strength 39,000 psi, compression strength 60,000 to 75,000 psi