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Sealing problem after anodising
In the anodising plant, Hard anodised aluminium components are not properly sealed even after soaking in nickel acetate - de mineralised water solution for a hour at 70 °C. What are reasons?
Rajaramanodiser - Mumbai City, Maharastra state, India
2006
There could be a number of causes, including contaminated or weakened seal, too large of a poor size, a powdery coating to begin with...
But, the most likely one is that you should turn up the heat a bit... try running above 95 C.
Good luck!
Compton, California, USA
2006
Unless you are using a "cold seal" or a "mid temp seal" Your Ni seal should operate between 140 and 170 F
you can also try soaking rinsed parts in hot DI water after the seal. When I say hot I mean 200+ degrees.
this will ensure the hydration of the anodic coating.
Ryan Cook
Toccoa, Georgia
2006
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