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Old 5th July 2004, 08:34 AM   #1
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Red face copper wire insulation remover chemical

hey hello all

any body help me to remove insulation by any chemical of copper wire for my winding of toroid please help me
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Old 5th July 2004, 08:52 AM   #2
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... just take a sharp knife or a razorblade and scratch it off. Very easy
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Old 5th July 2004, 10:02 AM   #3
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There is a solvent. A local company uses it to remove the enamel from wires in a transformer ( lead out wires).
It doesn't say what the chemical is. It however has a warning on it about being dangerous if it enters the eyes.The bottle is locally made and I couldn't find out what it is made up of.
I will try to find out from the chemicals market one of these days.
My contact in the company has moved away and so I can't access the place again. It's great for thin wires.
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Old 7th July 2004, 02:51 PM   #4
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Hi Ashok

please tell me name of that solvent if you know
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Old 7th July 2004, 02:52 PM   #5
Electrons are yellow and more is better!
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Quote:
Originally posted by himanshuraval
please give me the name of that solvet if you know
Do you have to remove insulation from many wires?
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Old 7th July 2004, 03:07 PM   #6
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Hi peranders,
ya there is 6X0.8mm copper wire to wind my toroid for car amplifier and i want to remove that all twisted wire's insulation at a time
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Old 8th July 2004, 02:50 AM   #7
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I think it might be Methylene Chloride.

Safety: EP7771 vapors are heavier than air and will collect in low or unventilated areas. Use respiratory protection in those situations. Use face shield for eye protection and do not wear contact lenses.
Skin contact sometimes results in a stinging sensation; use solvent resistant gloves. EP7771 should be handled with respect, where adequate ventilation, personal protective gear is used and personal hygiene is practiced. See MSDS.
It boils at just under 40 deg C .

From the safety blurb it is obvious that it is a dangerous chemical to handle. If you have kids and family around you it is safer not to use such things.

Try to burn away the enamel with a small molten solder pot ------- a far safer way of doing it. It may not be too difficult to make one with some heating element from an electric iron and a small thin steel tube. You can work out the details.
Cheers.
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Old 12th July 2004, 03:10 PM   #8
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hey Ashok,
what is this "EP7771" i dont know about this
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Old 12th July 2004, 04:06 PM   #9
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Quote:
Originally posted by ashok
I think it might be Methylene Chloride.


Methylene Chloride is available in the US as "Zip-Strip" -- it's nasty, but not terribly so -- I can guarantee this, however, it will remove the color from Corian -- learned this the hard way when some dripped onto a bathroom sink.
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Old 13th July 2004, 01:32 AM   #10
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I always just melted it off with the iron. Heat the cut end and apply liberal amounts of solder, the heat and flux work their magic and you don't lose any copper. Smells a bit though and is a bit tough on the tip.
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