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-   -   Removing yellowing from Amigas with peroxide (https://eab.abime.net/showthread.php?t=37808)

Kristian95 10 July 2008 05:17

I am also pretty sure that given more time you can turn that gunky brown keyboard back to it's original state :) I foresee that a lot of yellowed Amigas will be revived and now we, the initiated ones, won't worry about whether an Amiga offered is yellowed or not hence leading to perhaps some bargains on Ebay?? ;)

TheCorfiot 10 July 2008 10:10

Quote:

Originally Posted by Zetr0 (Post 432345)
Ahhhh TC is gonna love this one :D


Hmmm Nice one guys......

My sister is a hairdresser, time I had a chat regarding certain chemicals......

If I can bleach my orange keys!!!!! would be wonderfull although the shade is growing on me, she is quite unique but still ugly!!

Seriously well done all esp rkauer who risked his microwave :laughing

TC :D

Paul_s 10 July 2008 10:37

Quote:

Originally Posted by TheCorfiot (Post 432385)

If I can bleach my orange keys!!!!! would be wonderfull although the shade is growing on me, she is quite unique but still ugly!!

if your sister see's that comment she'll cut your balls off :laughing:lol

Zetr0 10 July 2008 11:59

PMSL!!!!!

to damn funny!!!

@Paul_s, did you get to see this item in the market place / amibay... I thought of you when i saw it posted my friend.

Yoto 10 July 2008 12:13

Quote:

if rkauer can bleach his super yellowed A500 keyboard I will be monk
So rkauer did it laser...

btw

Welcome to your first day as a MONK!!!!:laughing

Paul_s 10 July 2008 12:34

Quote:

Originally Posted by Zetr0 (Post 432434)
@Paul_s, did you get to see this item in the market place / amibay... I thought of you when i saw it posted my friend.

Yea I saw it, a bit too much for me at the mo though :sad I still have my fully working pimped up A530 - I was just being greedy and wanting moreeee :lol

TheCorfiot 10 July 2008 12:39

Quote:

Originally Posted by Paul_s (Post 432391)
if your sister see's that comment she'll cut your balls off :laughing:lol


Why have you met my sister too??? :laughing

I meant my Orange A1200 (see my album)

TC :D

adolescent 10 July 2008 17:31

Wow, that's great! I have an Amiga 3000 faceplate that needs a little love to be perfect (I'm the original owner!).

@Kristian
Where can we get this stuff in CA? I see it on the internet at gardening places but can I walk into a Home Depot and find it?

Kristian95 10 July 2008 17:39

@adolescent:

I have no clue where to get peroxide in the US sorry. I just figured I'd translate the description of this method from A1k.org (in German). Try google, I'm sure it must be available somewhere :)

Zetr0 10 July 2008 20:52

@Adolescent / Kristian95

I just asked the wifie, and she says you should be able to get peroxide, virtually anywhere, from any pharmacy or even Walmart :)

Kristian95 10 July 2008 21:01

@Zetr0:

Getting peroxide is easy (at 3-4% concentration) but high concentration peroxide might be more difficult but I'd expect pharmacies to carry it too :)
I don't know though and am not looking as I am not the owner of any yellowed Amiga stuff ;)

Retro-Nerd 10 July 2008 21:06

Had a quick look on ebay.de, it's pretty easy to get it here. Check if you can find something on ebay.com.

http://cgi.ebay.de/H2O2-Wasserstoffp...QQcmdZViewItem

Kristian95 10 July 2008 21:33

or look here:

http://www.pureh2o2forhealth.com/

In general: Google and you shall find :)

rkauer 10 July 2008 21:52

Quote:

Originally Posted by Kristian95 (Post 432707)
or look here:

http://www.pureh2o2forhealth.com/

In general: Google and you shall find :)

Way too expensive! I bought it with ~5USD (1 litre). It is the type used in beauty salons (30~40% concentration). Look in women cosmetic stores.

Kristian95 10 July 2008 22:00

hehehe the page I found was just an example (the first page I googled) I am sure you can google much better prices :)
For instance http://www.vandykestaxidermy.com/product/01319040/

laser 11 July 2008 23:57

I purchased h2o2 ...80 vols=24.2%
and I inserted a pair of yellowed PC keys on a small flask
Now....4 or 5 hours later I haven't see any changes...but maybe in a cup of days there's a surprise

btw, If at the local drugstore they sell the product as vols or volumens...you must divide vols/3.3 and you get the correct porcentage

in my case 80 vols/3.3=24.2 %

Kristian95 12 July 2008 00:17

@laser:

The original thread on A1k.org as well as rkauer's experiment left more time than 4-5 hours for the reaction to take place ;) I'd say give it at least 36 hours, preferably more time if you want it to bleach more :)

rkauer 12 July 2008 03:39

I had to left the caps in the flask for two entire days for almost-original state.

Sunlight acts as a catalyser, so you must left the flask on directly sunlight for at least 3 entire days.

BTW: 40% grade of peroxide is findable in professional salon stores.

Kristian95 12 July 2008 04:09

both sunshine (UV + heat) or UV alone (fish tank light?) or heat alone will catalyze the process :)

rkauer 12 July 2008 06:00

From what I see, sunlight. So must be UV and peroxide.

Heating do nothing without light.


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