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Electroless Nickel direct seawater application

Whether Electroless nickel or EN-PTFE composite coating can be used for direct seawater application without sacrificial anodes and protective coating. Expecting your valuable suggestions.

Suresh Kumar
ocean technology - Chennai, Tamilnadu, India
2005

EN plate itself will show very little attack when immersed in boiling sea water (less than 1 micron/year according to standarized testing). Although, you will only need a tiny pore, crack, or discontinuity to cancel the afforded protection to less noble metals or alloys such as steel, aluminum, zinc, etc. This could end up in a dismal failure. So, extreme care and consciousness that lab testing is not real life is required before specifying it.

Guillermo Marrufo
Monterrey, NL, Mexico
2005

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