I have had some success on other items with a
strong solution of sodium bicarbonate which is readily available
for cooking purposes. I apply it with a rag allowing a little time
for it to penetrate.? There are usually some surfaces on HP lids
that are out of sight and thus good for experimentation. I am not
sure about baking powder which has some added acid.
Paul G8AQA
On 11/07/2023 09:07, Leon via groups.io
wrote:
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Something similar happened to my old Nikon D80
camera. I cleaned it with Iso-Propyl Alcohol (IPA). It removed
all the stickeyness.
Leon Heller