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Replacing brown sponge/foam material in vintage AKAI receiver... with what??

Danzilla

Active Member
Anyone that's opened an old receiver or other electronics has probably seen this. They sometimes use a spongy foam material to hold certain pieces in place but still to keep them separate. When aged, this stuff just disintegrates when disturbed. I'm cleaning out an AKAI AA-1050 and it has brown foam pads in several places* and is just falling apart. So I'd like to replace it with something suitable, but have no idea what to use or where to look.

I have some melamine sponges (ie. magic erasers) I was considering cutting up and using, but not sure how they'd hold up over time and exposed to regular heating. Also, was thinking the original dark sponge material would be less likely to be obvious from the outside than these white melamine sponges.
Another I was considering was that cheap weatherstriping foam material (though I don't have any on hand) that has adhesive already on one side so you just have to stick it in place.

Any suggestions?

*spots include: around faceplate lamps, against VU meters, in spots on the case top.
 
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Door Seals. Sealing foam strips. An adhesive on one side.
Yeah, that was what I meant. "weatherstripping" was the only description that came to mind, even though it's usually a different type of material than I was looking for.

I can pick some up easy enough, but am willing to wait and get something better suited for the task... if there's any other recommendations.
 
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The PE foam is a good bit more substantial than the insulating foam tape, more like the pipe insulation. I cut it to fit as needed.
 
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