SurTec 572 Stainless Steel Passivation based on Citric Acid


  • Free of nitric acid
  • Easy handling
  • Specially developed for ferritic and martensitic steels
  • Combinable with the SurTec-Processes for degreasing, pickling und electropolising
  • Removes auburn-coloured surface corrosion products ("rouging") from austenitic stainless steel surfaces
  • Additional ultrasound support accelerates the formation of the passive layer

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