FONTARGEN A/AF 314

FONTARGEN AP 644/21Lead free tin copper solder paste/DVGW conformDIN EN 29453: S-Sn97 Cu3 / Alloy-no. 24Composition, typical analysis (% w/w):CuSn3,0 RemainderMechanical and physical properties:Working temperature: 300°CMelting range: 230 – 250°CElectrical conductivity:8,5 Sm/mm²Specific weight:7,3 g/cm³ (metal content)Characteristics / Applications:For soldering with copper tube installations for hot and cold water supplies, includingdrinking water. The paste is suitable for applications in the food industry, sanitary(plumbing works – hot water up to 110°C) and miscellaneous metal products. Thissoldering paste is conform to DVGW-GW2 and GW7. If used in copper tubeinstallations, additional solid wire of solder A 644 S-Sn97 Cu 3 needs to be added toguarantee maximum penetration.Removal of flux residues: Wash with warm water.Heat sources:Oxyacetylene torch (excess of fuel gas), air-gas torch, soldering iron, soldering lampFlux:3.1.1 acc. DIN EN 29454.1Storage: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 ccm; 6 Weeks in cartridges