... high frequency brazing, electrical resistance welding, furnace brazing, and so on.Physical descriptionsPaste, granularity ≤ 150 um, ... , compressor, stone and wood cutter, automobile accessories, ornaments and jewelry, electric apparatus, hardware tools, and so on.PreparationsTo optimize ... metals for brazing copper and copper alloys, copper and Bundy pipe, copper and stainless steel.Good brazing ...