... into a small clearance of brazing seam.Use for copper and copper alloy parts,refrigeration compressor,not suitable for brazing ... plastic nature,a little higher melting point.Use for copper and copper alloy parts,suitable for air conditioning,refrigerator,evaporator, ... Can make many kinds of brazing ring,wires,brazing copper and copper and copper alloy parts,brazing ample clearance tie-in.JCuP- ...