[Tfug] OT: Llatex/rubber solvents

[William McNulty]

Try laquer thinner. Let it soak a bit. Xylene is a solvent for rubber and
it may work but I doubt it. It's fairly tame. Laquer thinner definitely is
what I would try first.
On Mar 2, 2014 2:57 PM, "Bexley Hall" <bexley401 at yahoo.com> wrote:

> Hi John,
>
> On 3/2/2014 1:33 PM, John Karns wrote:
>
>> On Mar 2, 2014 1:11 PM, "Bexley Hall"<bexley401 at yahoo.com>  wrote:
>>
>
>  I buy acetone, MEK, spirits, etc. by the gallon so having it on hand
>>> isn't a problem.
>>>
>>
>> Those solvents are most effective in dissolving urethane based substances,
>> AFAIK. I'm not really knowledgeable with synthetic substances in general
>> to
>> give good advice, but I believe that synthetic rubbers are *prene, but no
>> doubt this is not news to you.
>>
>
> No, thinking about chemistry essentially causes my brain to shut down.
> Too much "rote memorization" when I was taught it.  I was never able to
> deduce a pattern to the naming rules, etc. (ide, ite, ate, etc.)  So,
> I tend to lump lots of things into very broad categories.  Kinda like
> most people consider all wood to be "wood" (despite the differences
> between the varieties).
>
> So, my approach to "synthetics" mimics Earl Sinclair's reasoning...
>
> Earl:     As you can see, I have separated all known dinosaur wisdom
>           into three catagories: Animal. Vegetable. Rocks.
> Robbie:   What about fire?
> Earl:     Vegetable.
> Charlene: What about water?
> Earl:     Water is the opposite of fire, which we have previously
>           established as a vegetable. What's the opposite of a
>           vegetable? Fruit. So, water is a fruit. Fruit is not a
>           vegetable, so it has to be either an animal or a rock.
>           We know it's not an animal, therefore, fruit is a rock.
> Charlene: Daddy, I asked you about water.
>
> [Works for me!  :>]
>
>  Googling synthetic rubber solvents brings
>> up, among others:
>>
>> pubs.acs.org/doi/abs/10.1021/je60029a035
>>
>> but I don't see any simple answer from the brief look I gave it.
>>
>
> <frown>  OK, I'll wade through it.  No doubt it is written for
> *chemists* (or "material scientists") and not EE's... :<
>
>  Yes, but I've still got the "stalk" (stem?  shaft?) that has to
>>> extend up through any "cover" (it's about 2 ft long).
>>>
>>
>> Yes, which is why the foil popped into my head - just punch the stem
>> through it. Not a 100% seal, but much better than just leaving it
>> uncovered; no doubt safer (as in fire hazard), and more eco-friendly too.
>>
>
> For the MEK, I suspect it won't noticeably affect evaporation rates.
> Probably the same is true of the acetone.  Those things seem to
> disappear *almost* as fast as you pour them out of the container!
> (exaggeration.  OTOH, the "flux cleaner" I use for cleaning circuit
> boards *does* evaporate as fast as you pour it!)
>
>  And, you don't want to leave anything like this indoors (noxious
>>> vapors).  So, set it outside where it *will* see faster evaporation.
>>>
>>
>> Yes, covering the container will probably leave you with the dilemma of
>> proper disposal afterward, or maybe just putting it aside for the next
>> time.
>>
>
> Well, I can always uncover it and let it evaporate once I'm done
> with it.  If I have a little mineral spirits left in a jar when
> I'm done (usually, it all gets soaked up into the rags that I
> use to clean things), I will often set it ablaze just to burn it
> off.  No real way to "dump" that stuff otherwise.
>
> [Disturbing to consider how much stuff undoubtedly makes its way
> into local landfills... keeping ion mind that the water we *drink*
> comes from the same "ground"!  :< ]
>
> And, that reminds me... I forgot to bring the used motor oil to
> the recycling center yesterday  :<  (WTF?  You can only recycle
> on a monthly basis???)
>
> I'll wade through the document you found.  And, maybe ask at
> the hardware store to see what they come up with.  OTOH, I *am*
> kind curious to see what a propane torch will do to it!  :>
>
> Thx,
> --don
>
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