Passivation I Anodization I Electroplating of medical equipment, medical furniture and medical tools
For passivation of aluminum, the replacement of Cr(VI)-based solutions is nothing new. Processes like SurTec 650 or Cr-free solutions are the benchmark. They are REACH and RoHS compatible. For the pre-treatment before coating or bonding, also phosphate replacements gets more popular to reduce sludge and improve process handling...