Section 06 Products of the chemical or allied Industries 38 Miscellaneous chemical products 38 10 Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods Commodity Code Description 38 10 10 Pickling preparations for metal surfaces; soldering, brazing or welding powders and p 38 10 90 Other