… and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other … preparations of a kind used as cores or coatings for welding electrodes or rods. …
Explanatory notes
… and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes … inhibitors which restrict the corrosion of the metal. Some, however, have a basis of alkalis (e.g., sodium hydroxide). … only when : (a) They contain other constituents as well as metals. These constituents are the auxiliary …