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Default Protecting aluminium edge

On a boat dash I need to fit an extra display dial.
There is an existing aluminium frame, used for non-purchased GPS plotter
accessory, they fit a sunglasses holder/ oddment tray behind it.
I have had a black plate CNC machined, carbon fibre finish printed, and
filed out a segment to allow the display gauge to fit €¦
The Plate & fitted gauge show he
https://www.4shared.com/s/flrk4SqFXiq

The segment I filed out, has of course lost its protective coating, so
need to apply something to the edge to prevent the Ally plate going
crusty in salt air.
Ideally it should be Anodized, but I cant get just the edge done, and
dont want to lose the nice trim features.

Although not readily visible having it black would be an advantage, just
so there is a shadow line.

Anybody got a thought on what product I could use €¦€¦ not easy to spray
as the stepped €˜sliver trim would not be easy to mask.
Thinking there may be something I could apply with artist brush or
cotton bud €¦€¦ any suggestions.?


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Default Protecting aluminium edge

Hmm the problem of course is that the ally will already be oxidised a bit
where its open to the air. That would mean it would need to be some kind of
etch primer but on such a small area and trying to make it invisible, one
might ask is it worth it? I guess any paint layer is better than none at
all, how about some kind of dope as used on models, if it keyed into the
existing surfaces.
Car paint even.
Brian

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On a boat dash I need to fit an extra display dial.
There is an existing aluminium frame, used for non-purchased GPS plotter
accessory, they fit a sunglasses holder/ oddment tray behind it.
I have had a black plate CNC machined, carbon fibre finish printed, and
filed out a segment to allow the display gauge to fit .
The Plate & fitted gauge show he
https://www.4shared.com/s/flrk4SqFXiq

The segment I filed out, has of course lost its protective coating, so
need to apply something to the edge to prevent the Ally plate going crusty
in salt air.
Ideally it should be Anodized, but I can't get just the edge done, and
don't want to lose the nice trim features.

Although not readily visible having it black would be an advantage, just
so there is a shadow line.

Anybody got a thought on what product I could use .. not easy to spray as
the stepped 'sliver' trim would not be easy to mask.
Thinking there may be something I could apply with artist brush or cotton
bud .. any suggestions.?




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Default Protecting aluminium edge

On 05/08/2020 07:42, Brian Gaff (Sofa) wrote:
Hmm the problem of course is that the ally will already be oxidised a bit
where its open to the air. That would mean it would need to be some kind of
etch primer but on such a small area and trying to make it invisible, one
might ask is it worth it? I guess any paint layer is better than none at
all, how about some kind of dope as used on models, if it keyed into the
existing surfaces.
Car paint even.
Brian



I have smooth Hammerite - but response from Hammerite is that you cannot
use 'standard' Hammerite product the 'Direct to Rust' tins ..... it is
only for Ferrous metals.
It would have to be 'Direct to Galvanised' prodcut, and not worth buying
an expensive tin.


I have some 'Plasti-coat' flat black, I'll try that.

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