FONTARGEN A/AF 314

FONTARGEN AP 308 VSilver-Copper-Eutectic paste for vacuum brazingDIN EN 1044: AG 401DIN 8513: L-Ag 72EN ISO 3677: B-Ag 72 Cu – 780AWS A 5.8: B Ag – 8Composition, typical analysis (% w/w):AgCu72 28Mechanical and physical properties:Working temperature: 780°CMelting range:779°C (Eutectic)Specific gravity:10g/cm³ (Metal content)Electrical conductivity:46,1 S m/mm²Characteristics / Applications:Zinc- and cadmium free alloy with good flowing properties for gap brazing in vacuumand for vacuum-sealed joints of alloyed and unalloyed steel, nickel and nickel alloys.Very good vacuum durability even at high temperatures. Also suitable for joints ofcopper and copper alloys. The brazing alloy is coalesced in vacuum with a minimumpurity of 99,9%.Heat sources:Vacuum furnaceFlux:NoneStorage:Keep sealed, under stable temperatures in dry rooms. Optimum temperature range isbetween 5 and 20°C. Stir well before use.Shelf life:6 Mo. in pots; 3 Mo. in cartridges >175 cc; 6 weeks in cartridges