Walter SURFOX-M Aluminum Etching Electrolyte

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Walter SURFOX-M™ Alu Electrolyte

SURFOX-M Alu is an electrolyte solution specially conceived to permanently black mark aluminum. This oxidation process will leave a black mark on the surface of aluminum without altering it. Marking on aluminum is resistant against mechanical and chemical attacks.


  • Fast and simple electrochemical process
  • Permanently mark aluminum
  • Ideal for marking company logos and addresses, and other repetitive information with the permanent stencils
  • Ideal for marking serial numbers, barcodes, QR codes, lots & batch numbers, and other information that require constant change and evolution with the disposable stencils (PRO marking kit)

Package sizes and part numbers:

  • 100 ml 3.4 oz bottle - 54-A 131
  • 5 L Container - 54-A 136

Product Info Sheet