Aluminium solders accordingly to PN-75/M-69414  are used in the  welding of aluminium and its alloys with the TIG method in a gaseous envelope at 577-630 ºC. Type SA1 is used in the  welding of pure aluminium. Type SPA2 is used in the  welding of aluminium alloys containing Mg below 2%. Type SPA26 is used in the  welding of aluminium alloys containing Si below 7%. All of the types are in the form of rods of 1 m length and 3,15 mm diameter.

(available on demand for the heat to be sold)