Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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Need hydrophobic coating for glass
I need to coat glass with a 20 micron hydrophobic material. What material will be best (nickel, chrome? or possibly anodized aluminum) and how is the process done.
Gad IgraMechanical engineer in R&D - Yavne, Israel
June 8, 2010
Once exposed to water, metals will oxidize, forming a passive layer of oxides and hydroxides. Also, you are not going to be able to plate glass with metal through conventional means, as glass is not a good electrical conductor.
You should perhaps look into using a fluoropolymer, such as PTFE.
From an engineering aspect, I'm wondering why you are using a glass tube and not simply just a poymer tube. Polymer is going to cost less and better satisfies your hydrophobicity requirements.
- Toledo, Ohio
June 16, 2010
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