... Powder is white powder,high active 1,In Industries Refrigeration Alumium Brazing Powder is white powder,high ... active.2,In Industries Alumium Brazing Powder is in the range of ... 550~600°C.3,In Industries Alumium Brazing Powder cooperates with brazing and aluminium ... and welds.4,The profession of In Industries Alumium Brazing Powder of applying to aluminum radiator. ...