... clearance of brazing seam.Use for copper and copper alloy parts,refrigeration compressor,not suitable for brazing attacking shocking bend ... little higher melting point.Use for copper and copper alloy parts,suitable for air conditioning,refrigerator,evaporator,heat exchanger ... brazing ring,wires,brazing copper and copper and copper alloy parts,brazing ample clearance tie-in.JCuP-3SnBCu88PAg Degussa866. ...