BLOCKADE® phos-copper brazing filler metal has an innovative composition that provides the ability to form a large shoulder or cap at the braze connection. It is a low melting temperature alloy that is very fluid and fast flowing. Best for tight fitting connections under two inches in diameter. Ideal for copper-to-brass applications such as solenoid valves, ball valves, Schrader valves and distributors. BLOCKADE® is self-fluxing on copper. Its lower melting temperature makes it an excellent choice for brass. Complies with the EU Reach & RoHS directive.