Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 38 Miscellaneous chemical products 38 10 Pickling preparations for metal surfaces; fluxes and other auxiliary preparation 38 10 10 38 10 10 00 Commodity Code Description 38 10 10 00 00 - Pickling preparations for metal surfaces; soldering, brazing or welding powders and pa 38 10 90 00 00 - Other