Soldering - and for tinning tinning of brass and copper. The paste is thinly applied to the parts to be tinned and heated with a flame. For large soft soldered it is optimal to tin the parts before. Also ideal as Flußmittelersatz. The soft solder pastes is an excellent corrosion protection for steel parts. Bengs model uses the soldering paste in steel cylinders with cooling water jacket. For example, the flame-eater elector.
The stirring of the paste before use is not required!