AUTOCHEMIC

Chemical Preparations Used in Brazing, Soldering, or Heat Treating Metals-Namely, Filling and Heat Treating Substances for Metallic Articles; Powder, Filler, and Flux for Rods, Plates, and Strips, Hardening and Cleansing Substances; Fluxes in Solid or in Powder Form, Paste or Liquid Form for Treating Metals by Brazing, Soldering, or Welding