METHOD FOR THE SURFACE TREATMENT OF CORTEN STEEL
The treatment of the activated surface in stage (3) of step (i) may be carried out using water, for example having a pH in the range of 6-8, over a period of, for example, 30 minutes to 15 hours, preferably 1 hour to 12 hours. The treatment with water may take place in principle by spraying with water and keeping the treated area moist.