Acid Etch Anodizing
What is Sapa Select Acid Etch?
Sapa Select is an alternative chemical etching process that produces a superior finish compared to traditional caustic etch anodizing. Acid etching is performed in the pre-treatment cleaning of aluminum profiles, prior to the anodizing process.
Why choose Sapa Select Acid Etch?
Sapa Select acid etch is an improved process that produces better color consistency than traditional caustic etch. Sapa Select hides metal imperfections (visual streaks, die lines, light scratches, etc.) while providing a superior uniform matte finish. Also, the Sapa Select process exceeds AAMA (American Architectural Manufactures Association) specifications.
How is Acid Etch a “greener” alternative?
Sapa Select reduces the amount of waste sludge produced by conventional caustic etching processes by 90%, which simply means that less sludge goes into landfills. The byproducts created by this environmentally friendlier process can be recycled.
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At a glance:
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Reduces or eliminates: Die lines, surface defects, minor corrosion and scratches
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Finishes are available in Class I, II & III clear finishes
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Bronze finishes from champagne to black
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Produces a very matte surface with a gloss rating of 4.0 to 6.0
(typical caustic etch produces a 9.0 to 18 rating)
*Please make sure to ask your Sapa Sales Representative to see our high quality Sapa Select samples* |