Sealing is a hydration treatment to close the fine pores in the film having porous cell structure. In case of dye articles dipping in boiling pure water sealing, the absorbed dyes will come out, so sealing is recommended. Auromex offer a different types of sealing including hot nickel-acetate sealing, environmentally metal-free sealing, and even cold sealing for better energy efficiency.
High Performance Cold Sealing Additive to Improve Better Anodizing Process