Materials for Treatment

The steps of the process

Materials possible to be treated
  • Steal.
  • Alluminium. 1
  • Copper.
  • Brass.
1. [But must be separated from other materials. Aluminium will dissolve in the caustic soda bath we use for steal. We have a basin specially for aluminium.]
Impossible materials to be treated
  • Polyester and other plastics. 1
  • Wood.
1. [Think of wooden frames in doors.]