Black Paste Flux 1 Pound Jar

Weldcote Black Paste Flux is a creamy, black silver brazing paste flux that is active and protective to 980?C/1,800?F. It was formulated for the majority of brazing operations, and is recommended for use with copper and copper-based alloys, steel, stainless steel , nickel , carbides, precious metals and heat-resistant alloys. Weldcote Black Paste Flux is available in dispensable form suitable for spraying or other automatic application methods. The flux will not harden or crystallize, retaining its creamy texture up to two (2) years.