Sujet : Re: How to stop black rubber from leaving dirt on shirt
De : joegwinn (at) *nospam* comcast.net (Joe Gwinn)
Groupes : sci.electronics.designDate : 16. Oct 2024, 20:47:13
Autres entêtes
Message-ID : <jn50hjdn9j0591jkb1etmskc7nk92nqi3n@4ax.com>
References : 1 2 3 4 5 6
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On Wed, 16 Oct 2024 08:54:01 -0700, Bob F <
bobnospam@gmail.com> wrote:
On 10/16/2024 5:15 AM, Martin Brown wrote:
On 15/10/2024 22:34, Bob F wrote:
On 10/15/2024 5:13 AM, micky wrote:
In alt.home.repair, on Tue, 15 Oct 2024 03:56:59 GMT, Jan Panteltje
<alien@comet.invalid> wrote:
>
On a sunny day (Mon, 14 Oct 2024 14:02:17 -0400) it happened micky
<NONONOmisc07@fmguy.com> wrote in
<fbmqgj9d283rt1abtf953jpu9v09q35tc9@4ax.com>:
>
I have a set of earbuds on a neckband, black rubber, several years
old,
and the yoke has started to leave a lot of black rubber marks on my
shirt collar.
>
Can you suggest a treatment or coating to prevent this?
>
The part that rubs off has no jacks or wires comeing out, it's a plain
field but otoh, many things might not stick to its surface. It;s
curved
everywhere.
>
>
It wasn't until the 3rd shirt I took the trouble to find the problem,
and the first shirt has been washed and it came did come off in the
laundry. I'm not a fancy guy but even I think it looks terrible.
>
This is a combination hearing amplifier and
bluetooth-from-the-cellphone
and cost about $300 or 400 new, by Bose, and they don't make them
anymore. They still sell some on ebay but I'm sure they are as old as
mine are.
>
Doesnt' that mean the battery on new old stock is old and weaker
too? If
the battery on this wears out, won't a replacement be already half-way
as bad, just from age? Probably lithium. (Because I'm consiering
buying
real hearing aids but I fear they will keep falling out of my ears.
The
neckband kind do, but they don't reach the ground when they fall.)
>
Cheaper ones don't give hifi sound, t hough they are still better than
nothing.
>
I have some headphone and just put grey tape around the rubber...
>
That might be a good idea too. Yours also were making your shirt
dirty? Not when new but a couple years later?
>
This is probably the same as the sticky rubber coating problem
discussed here many times.
Almost certainly. Of the commonly available solvents likely to be found
in your garage brake fluid is just about right for removing the nasty
tacky surface gunge whilst not damaging the remaining good polymer.
I was surprised how well it worked...
>
That's one I have never seen before. I will keep it in mind for the next
time I have that problem.
I hadn't heard of that option before either.
I would comment that (except for DOT5, which is a silicon oil), modern
brake fluids are glycol based, and thus can be washed away with water.
So if one has used brake fluid to remover urethane monomer, be aware
that the monomer can precipitate out a milky haze that can re-deposit
on nearby surfaces, so use a lot of water to flush it away before it
can redeposit.
May need to do the brake fluid trick twice.
Joe Gwinn