The anodize thickness is supposed to be .002" with water seal, no PTFE or nickel acetate sealant. The problem appears to be more than just a powdery residue. The residue is easily removed by wiping down the part with solvent. However, the anodize surface appears to be "unsealed" and very dull...
I recently had some large 7075 aluminum alloy parts hard anodized at a local Anodizer. The parts are covered with a powdery residue and look extremely dull in appearance. The anodizer has offered no explaination for the appearance of the parts. I quick google search suggests that the parts may...
I am working on a medical equipment design where desire is to have a brushed stainless steel enclosure. The appearance of fingerprints on the panels is a concern. I know that many household appliance manufacturers are using "fingerprint proof stainless steel" panels on refrigerators...
