Dave Liquorice wrote:
On Sun, 20 Oct 2019 07:38:16 +0100, alan_m wrote:

Sugru.

Looks like pretty cool stuff. I can think of a couple of jobs for
it.

But it probably sets rock hard and the flexi wire no longer bends.

No Sugru stays soft but not as soft as a thin layer of silicone. It's
also opaque and quite firm before curing. Neutral cure clear silicone
is far softer before curing and far more flexible/robust when cured.

Not quite sure what "... the insulation of the ribbon cable has
completely perished and come away." actually means. PVC is normally
very stable but doesn't like UV from sunlight.

It's also not clear if the controls/screen are on the flap, thus the
cable has to flex with the hinge or if the controls/screen are merely
covered by the flap. A photo or three would be very useful.

Other things a PCB "conformal coating", sprys or paint on with small
brush. Flexible to some extent but won'ttake repeated flexing. Or
maybe pot the whole in "Magic Gel" from Raytech.


Conformal coating, such as Humiseal, would be a good choice if he can get
hold of some. Ive never tried to buy it privately/over the counter, it
came across it professionally- it was used to coat PCBs as you say. PCBs
are normally dipped or sprayed but reworked areas are touched up by hand
with a brush.

The older stuff was, I believe considered hazardous but I think a newer
version ( with a safer solvent) was introduced.