Conversion Coatings

H&W Global

Conversion Coatings Aluminum

Aluminum Conversion Coating / Chem Film

  • MIL-DTL-5541 Type I Class 1A & Class 3
  • MIL-DTL-5541 Type II Class 1A & Class 3
  • MIL-DTL-81706
  • STP 58-405 (Code 210A)

H&W Global Industries offers a chromate and hexavalent chrome-free, RoHS-compliant aluminum conversion coating for various industrial products, depending on the needs of the customer. Alodine®, Irridite®, and Chem Film are commonly used terms for conversion coating of aluminum.

Prior to coating, the base metal is mechanically or chemically cleaned to make sure a water break-free surface is obtained. Abrasives containing iron, such as steel wool, iron oxide, rouge or steel wire are never used for cleaning operations. Treated parts that have become soiled are cleaned with materials that will remove the soil without damaging the base metal, the part, or the conversion coating. If the coating is damaged, the damages are re-cleaned and recoated, or the part is rejected upon inspection.

Our company is proud to offer non-hexavalent chrome and lead-free products to our clients as perfect alternatives for most applications. These alternatives not only help to ensure compliance with ELV (End of Life Vehicle), and WEEE Directives, but are the environmentally "right" and responsible way to finish products for our future.

Conversion Coatings

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