Meltolit 9730 Metal paste
Copper-alloyed soft solder metal paste for copper, copper alloys, steel and stainless steel used mainly in HVAC and refrigerant industry but also for car body work Working temp: 250-350°C
Copper-phosphorus alloy primarily used for brazing of copper pipes and HVAC connections. Meltolit Nr 1 can be used for brazing in copper, brass and in some extent steel. When brazing brass or copper to brass you need a separate flux, Meltolit 770.