This flux paste is designed for aluminum-to-aluminum or aluminum-to-copper soldering at low temperatures. It provides for soldering below the melting point of the aluminum.
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Low-temperature soldering prevents aluminum components from melting
New aluminum HVAC components will not stall job completion
Resists electrolytic action between aluminum and copper, preventing leakage between dissimilar metals
Made in U.S.A.
DOD Std. 1866
Heat barrier spray
Soldering flux paste
Stainless steel flux liquid