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-   -   PCB etchant (http://laserpointerforums.com/f57/pcb-etchant-35271.html)

toked323 02-08-2008 08:29 PM

PCB etchant
 
anyone know of any good homeade or place for pcb etchant, besides the muriatic acid and hydrogen chloride? they are too dangerous for me

knimrod 02-08-2008 09:44 PM

Re: PCB etchant
 
Radio Shack sells ferric chloride in 16oz. bottles in-store for $4.50.. If you warm it up and agitate it while etching, it works pretty good.

toked323 02-08-2008 10:01 PM

Re: PCB etchant
 
yea i went there and the guy said they discontinued it, hey knimrod for toner tranfer do you have to use photo paper?

knimrod 02-08-2008 11:16 PM

Re: PCB etchant
 
Quote:

Originally Posted by toked323
yea i went there and the guy said they discontinued it, hey knimrod for toner tranfer do you have to use photo paper?

My local Radio Shack still carries it and it's still listed on their website as "available in store"..

Almost any kind of paper will work to a degree but glossy ink-jet paper seems to work the best.. *I always used the JetPrint brand from Staples.

BlueFusion 02-08-2008 11:53 PM

Re: PCB etchant
 
all friggin etchants are dangerous. I use sodium persulphate as an etchant and sodium hydroxide as a photocoat developer.

toked323 02-09-2008 03:04 AM

Re: PCB etchant
 
hey when you get the chance put muriatic acid in a bottle with foil and close it, it makes a loud bang

amkdeath 02-10-2008 01:44 AM

Re: PCB etchant
 
Quote:

Originally Posted by toked323
hey when you get the chance put muriatic acid in a bottle with foil and close it, it makes a loud bang

AKA "The Works" bomb

put "the works" (toilet lceaner) and tin foil in a bottle, be ready to make up an excuse for the noise

wooooooolazer 02-10-2008 06:44 PM

Re: PCB etchant
 
Dude!! I absolutly hate that stuff we got like 5 bottles of it on sale and when i tried it it started smoking in the *and it almost makes you pass from the fumes *lol.. i have to try that.. do you just put it in like a water bottle with foil inside the close the lid?

Man... its almost gone but i have another one that has a 16%Hydrogen Chloride (the same active ingrediant in the works) would that still work or is there something else that makes it do that.

...lazer... ;D ;D ;D

toked323 02-11-2008 01:40 AM

Re: PCB etchant
 
no for the bottle just muriatic acid, not peroxide, i never realized how dangerous that stuff was till i went to home depot and they said they cant keep it in the store.
i had to buy 2 gallons for 9.99$ i didnt need that much i needed like 1 liter but oh well

amkdeath 02-11-2008 03:57 AM

Re: PCB etchant
 
put tin foil in bottle. pour in the works. close lid. hide behind bush for like 5 mins. then BOOM

toked323 02-12-2008 08:18 PM

Re: PCB etchant
 
yea i did that and wow i was barely able to hearr

wooooooolazer 02-12-2008 10:04 PM

Re: PCB etchant
 
Awsome i guess that other type has it in there too, the first one i didnt put enough foil so it took about 30min to go.. after 10 min i gave up and left it out there then 20 minutes later i heard i big boom all the way in my house ;D.. the next one went off in like 5min but the bottle had a leak and didnt explode so it wasnt very loud :(.

Im gona try it with a 2 liter bottle later.. that should be biggg.

..lazer.. ;D ;D ;D

amkdeath 02-12-2008 11:33 PM

Re: PCB etchant
 
Quote:

Originally Posted by wooooooolazer
Awsome i guess that other type has it in there too, the first one i didnt put enough foil so it took about 30min to go.. after 10 min i gave up and left it out there then 20 minutes later i heard i big boom all the way in my house ;D.. the next one went off in like 5min but the bottle had a leak and didnt explode so it wasnt very loud :(.

Im gona try it with a 2 liter bottle later.. that should be biggg.

..lazer.. ;D ;D ;D


i suggest hiding behind a stone bush for a 2 liter bottle. oh, and add more foil ;D

toked323 02-13-2008 01:23 AM

Re: PCB etchant
 
yea but liquid doesnt really goe flying it goes like a mist

toked323 02-13-2008 02:07 AM

Re: PCB etchant
 
you bet ;)

amkdeath 02-13-2008 02:22 AM

Re: PCB etchant
 
in action:

[media]http://www.youtube.com/watch?v=Q9qVJR_D3Rw[/media]



another fun project:

[media]http://www.youtube.com/watch?v=Z3fBHtXxFn4&feature=related[/media]


lol im such a pyro, I made a rocket out of an oxidizer and a king size snickers bar!!! LOL


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