Electronics > Repair
rotting rubber
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GLouie:
Yes, such man-made materials seem to run the gamut of longevity, requiring painful vigilence.

I also have a rant with polyurethane foam, commonly used to pack delicate devices. They usually turn to goo after a decade or so.
tooki:

--- Quote from: Haenk on June 27, 2024, 01:17:48 pm ---
--- Quote from: tooki on June 27, 2024, 11:43:51 am ---Leather certainly can be form-fit to quite complex shapes.

--- End quote ---

Outer shape, yes, but not usable for structural parts. Plus the rather small-ish supply. Plus difficult to process in an industrial scale.

--- End quote ---
The footwear industry would beg to differ. It makes complex-ish structural leather goods at industrial scale. Not sure why you’d think this is impossible or even uncommon.
Coordonnée_chromatique:
My mother sewing machine of 1972 that have a tooted cotton belt in a perfect condition since 1972.
Doctorandus_P:
I'm also quite annoyed by the "soft plastic" / Rubber / TPE on toothbrush handles, drills and all kinds of other hand tools. I don't buy srewdrivers and pliers from Wiha anymore for example. The quality of Wiha tools is quite nice for the metal parts, but the soft plastics is a mess.

Another nuisance is the stuff that gives plastic a "velvety" feel. Those also always get damaged and peel of after a few years. I have even have some transformers in a plastic box and rubber feet, and the rubber feets literally turns into liquid and drips off and makes a mess of everything it touches. Real yucky stuff.

Sometimes I guess it's somewhere in between "the factory does not care as long as it looks good when it's still in the shop" and planned obsolescence.

I've also heard that the old space suits used for the moon landings are now very delicate museum pieces that almost fall apart when they get touched. Longevity was probably never a big concern during production of those things, but their degradation is nonetheless quite remarkable.
Messtechniker:

--- Quote from: cncjerry on June 27, 2024, 02:09:41 am ---
p.s. and don't talk me out of tape decks!  I use Reel to Reel on my analog setup, LTO tape on my computers, DAT tape on my digital machines.  When I was a kid a ran around recording everything onto a small cassette player.

--- End quote ---

Just for kicks: do an echo with a tape machine and compare it with a digital echo.
Which degrades faster? Just to give you an idea how bad analogue tape copies can be.
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