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HOW TO ** Remove Anodization **  RSS Feed

#51 2009-03-02 8:30am

donvader88
Intermediate
From: Kendallville, IN
Registered: 2006-04-11
Posts: 484
Bikes: 37
Website

Re: HOW TO ** Remove Anodization **

I did this seat clamp in about a minute. I just used a plastic cup since it was so small. This was a stock one from a CW California Freestyler. It worked perfect, thanks for the tips!

http://i238.photobucket.com/albums/ff86/donvader88/CWseatclampbefore.jpg
http://i238.photobucket.com/albums/ff86/donvader88/CWseatclampafter.jpg


I really like bikes!!!
[img]http://farm5.static.flickr.com/4041/4547803020_09e38694aa_o.jpg[/img]

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#52 2009-03-13 12:19pm

johnnybmxer
Intermediate
Registered: 2007-12-16
Posts: 463

Re: HOW TO ** Remove Anodization **

Will the chrome be removed from a quick release on a D/C brake caliper using this process?

Last edited by johnnybmxer (2009-03-13 12:20pm)

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#53 2009-03-16 12:09pm

mindmural
Museum Newbie
From: Miami, Fl.
Registered: 2009-01-04
Posts: 10
Bikes: 5

Re: HOW TO ** Remove Anodization **

great thread, thanks for the info ..........


Its all Mind over Matter!
I don't Mind because you don't Matter!

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#54 2009-03-17 10:25am

felkman
Pro Member
From: Indiana
Registered: 2008-08-06
Posts: 599
Bikes: 8

Re: HOW TO ** Remove Anodization **

johnnybmxer wrote:

Will the chrome be removed from a quick release on a D/C brake caliper using this process?

I also wanted to know if the chrome would be removed from mx 1000 quick release?  Anyone know?

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#55 2009-03-17 10:57am

Bmx4Life88
Centurion Member
From: Chicago, IL
Registered: 2008-07-08
Posts: 202
Bikes: 35

Re: HOW TO ** Remove Anodization **

I'm thinking that if any chrome plating is on your part. It will only eat around where chrome is not. I had residue from a decal and the Drano did not even touch beneath decal. So it left a raised area from decal which I had to sand down even with rest.
Make sense?
this is some wicked stuff (if not used according to postie's directions) but works awesome smile

Before I tried this I was also looking at the Wood Bleach process for chrome.
I totally got the directions criss crossed between the two first time around. Added too much crystals and no bucket of water handy makes for an interesting situation lol

good luck bro

johnnybmxer wrote:

Will the chrome be removed from a quick release on a D/C brake caliper using this process?


Apply this... "Never for money. Always For Love" Our sport/hobby/world would be so much better. WTB- 03-04 Kappa "Starsky" = Kappa given props to an awesome Old school ride...The Hutch Trickstar. Prov 13:3

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#56 2009-03-17 12:03pm

felkman
Pro Member
From: Indiana
Registered: 2008-08-06
Posts: 599
Bikes: 8

Re: HOW TO ** Remove Anodization **

I guess in better words, will this toxic chemical eat the chrome on my brake or will it not effect the chrome?
http://i214.photobucket.com/albums/cc289/felkman/c132_1.jpg

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#57 2009-03-17 1:11pm

thegarman
Museum Addict
Registered: 2007-07-02
Posts: 1215
Bikes: 16

Re: HOW TO ** Remove Anodization **

On a side note, I tried this last night, and whoaaa Nellie lol

  I used the 100% Lye drain cleaner crystals...

  I deanodized a stem, a seat post clamp and a sprocket in about 30 seconds (I think I had the mixture a lil' "HOT")

  I was both impressed and scared at the same time tongue 

  let the polishing begin...

   Gar

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#58 2009-03-17 2:12pm

Bmx4Life88
Centurion Member
From: Chicago, IL
Registered: 2008-07-08
Posts: 202
Bikes: 35

Re: HOW TO ** Remove Anodization **

I'm about to do the same deal... We ave too many Black Dia Compe calipers.
I was just going to put a chrome washer in mixture to see what would happen before toasting a sweet Dia Compe.
Really don't think it will even make a mark on chrome because its actually metals verses aluminiums. Ya know

felkman wrote:

I guess in better words, will this toxic chemical eat the chrome on my brake or will it not effect the chrome?
http://i214.photobucket.com/albums/cc28 … c132_1.jpg


Apply this... "Never for money. Always For Love" Our sport/hobby/world would be so much better. WTB- 03-04 Kappa "Starsky" = Kappa given props to an awesome Old school ride...The Hutch Trickstar. Prov 13:3

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#59 2009-03-17 2:46pm

deme
Pro Member
From: Houston, TX
Registered: 2008-03-14
Posts: 1054
Bikes: 6
For Sale: 1
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Re: HOW TO ** Remove Anodization **

Bmx4Life88 wrote:

I'm about to do the same deal... We ave too many Black Dia Compe calipers.
I was just going to put a chrome washer in mixture to see what would happen before toasting a sweet Dia Compe.
Really don't think it will even make a mark on chrome because its actually metals verses aluminiums. Ya know

the sodium hydroxide should have no effect on chrome. but be warned removing chrome at home by using chemicals is highly dangerous. It will produce hexavalent chromium which will cause cancer. You can be exposed by inhalation as well as absorption through skin. The OSHA PEL (permissible exposure limit) is 1 microgram per cubic meter. Let me put it like this, Lead's PEL is 30 micrograms per cubic meter. Lead is considered a highly dangerous carcinogen. Now lead's PEL is 30 times higher than hex chrome's. In other words its nasty stuff.

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#60 2009-03-29 11:55am

felkman
Pro Member
From: Indiana
Registered: 2008-08-06
Posts: 599
Bikes: 8

Re: HOW TO ** Remove Anodization **

felkman wrote:

I guess in better words, will this toxic chemical eat the chrome on my brake or will it not effect the chrome?
http://i214.photobucket.com/albums/cc28 … c132_1.jpg

I just wanted to say that I did my Dia Compe mx 1000 brakes the other day and the chrome on the quick release looks just as good as it did before I put it in the bucket of acid.  I couldn't find crystal drain opener anywhere so I used leftover liquid draino and mixed it half and half with water. It worked great! My scratched up and faded red brakes look like chrome after the bath and some Brasso.

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#61 2009-06-24 8:17pm

unlucky
Expert
From: Canada
Registered: 2009-02-20
Posts: 763

Re: HOW TO ** Remove Anodization **

roll

Last edited by unlucky (2009-10-15 7:16am)

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#62 2009-06-25 2:18am

Duke 01
Lunatic Child
From: Greece, Athens
Registered: 2006-11-05
Posts: 3466
Bikes: 5

Re: HOW TO ** Remove Anodization **

do you have any pics??
What type of stem?


!Midschool TANK freak!

GT parts wanted:  # GT Profile 3pc cranks in 175mm, Mint // # One GT Fly-Cutter 45t USA-Made sprocket, NOS or Mint

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#63 2009-06-25 8:26am

unlucky
Expert
From: Canada
Registered: 2009-02-20
Posts: 763

Re: HOW TO ** Remove Anodization **

Duke 01 wrote:

do you have any pics??
What type of stem?

an SR stem cap ... I wasn't sure it was annoed... as a matter of fact I was pretty sure it wasn't but since everybody was saying that it does not damage the metal I though it wouldn't do no harm and would at least take some of the color off ... I should have been more cautious...

it was just an SR stem... but I was very happy with it.

pics of it are in another thread of mine... will link later...am in a bit of a hurry... lots of work!

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#64 2009-07-02 10:42pm

The-Elemental-Empire
Formerly "mrshowtime"
Registered: 2007-06-24
Posts: 248
Bikes: 70

Re: HOW TO ** Remove Anodization **

Great info! Thanks for the tip.


Want to buy - Dans Comp catalogs from 1997-2005
Also
Want to buy - BMX catalogs from 1997-2005

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#65 2009-07-04 3:16pm

dioisradical
Intermediate
Registered: 2009-06-07
Posts: 322

Re: HOW TO ** Remove Anodization **

about the toxic stuff, definitely make sure you're doing this in a well ventilated area.

I used to drop metal in draino to make hydrogen style balloon bombs from the gas emission,

so if you smoke, or you have dumb friends that do, don't do this.


"if the crack don't get ya, then the punkers will."

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#66 2009-10-04 7:30am

harojunkie
Centurion Member
From: Cleveland Ohio
Registered: 2007-12-02
Posts: 146
Bikes: 3

Re: HOW TO ** Remove Anodization **

JS-44SDS wrote:

Well I learned an important lesson here...leave the item in too long and this solution too will pit the aluminum too. roll

When doing SILVER RIMS rims learn from my mistakes:

1st get a container large enough to cover them in one shot.  The problem I found was find something flat.  In the end I used a storage tote and ended up with 18-20 gallons of solution.  Thats why I tried the rotation technique.  This maybe fine for colors but for clear/silver anodizing this is NOT the way to go as it is next to impossible to see what you did and did not do.  This also leaves an uneven finish on the item...some parts polished BLACK and some did not.  This gave confused me as how long I was really doing it.  Also CLEAR DOES NOT GIVE OFF THE BLACK SMUT.  That is why I thought this might be a type of hard anodizing.   There for it is very hard to figure out when you're done.  I made a wrong assumption when I saw a charcoal silver coating come off after a prolonged time and assumed this was the anodizing.  It was not...it was aluminum being eaten by the caustic.

2nd Don't assume and don't try something late in the day.  It may bite you in the ass.

3rd When someone tells you it should only take 15-20 minutes to work don't overthink the process...they already did that.

Well looks like I have to lace a set of chrome 7x's as if I try this again is doesn't make dollar sense right now.

Regards,
Scott

Sorry about the unfinished results as I was looking forward to this project.  However, I hope this helps those trying this.

So has anyone had any luck removing the hard/clear anno yet?  Before I try anything I would like to hear of some positive results.

Thanks

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#67 2009-10-04 10:36pm

oldschoolrevisit1986
Intermediate
From: Roseville, CA
Registered: 2008-07-13
Posts: 463
Bikes: 17

Re: HOW TO ** Remove Anodization **

Cool, gonna try this tomorrow.


I don't have A.D.D., it's just.... oh look, a chicken.

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#68 2009-10-05 12:58pm

wired
Pro Member
From: 6202', CO
Registered: 2009-06-14
Posts: 4484
Bikes: 56
For Sale: 56
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Re: HOW TO ** Remove Anodization **

I've had to do the clear anodizing removal and it worked great.  I just wanted to polish these rims without having to take them apart but they wouldn't shine up with Blue Magic.  I removed the hub and spokes then gave them a Draino bath per these instructions.  When they were finished cooking they came out more dull than they went in.  What I was looking at was now the raw, unfinished aluminum.  I hit the rim with my buffing wheels and polishing compounds and produced what you see here.

I have only used this Draino method twice and paid close attention to all the details shared above.  My solutions must have been a little weaker because it took about 15 minutes for mine to finally come off all the way.  I had success both times so, based on what happened with me, I'd say go ahead and give it a try.

http://i98.photobucket.com/albums/l258/GHS_Wired/BMX_Museum_Posts/clearanno.jpg

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#69 2009-10-05 4:53pm

harojunkie
Centurion Member
From: Cleveland Ohio
Registered: 2007-12-02
Posts: 146
Bikes: 3

Re: HOW TO ** Remove Anodization **

Thanks, that was what I was hoping to see.

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#70 2009-10-05 5:29pm

TRILOGY
Pro Member
From: Lafayette, IN
Registered: 2007-09-27
Posts: 1604
Bikes: 1

Re: HOW TO ** Remove Anodization **

just don't let the part sit on the bottom of the container ontop the crystals or you will be sorry. it will pit the aluminum.

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#71 2009-10-05 6:14pm

harojunkie
Centurion Member
From: Cleveland Ohio
Registered: 2007-12-02
Posts: 146
Bikes: 3

Re: HOW TO ** Remove Anodization **

Thanks for all the help, I'm gonna try it this weekend, let you know how it turns out.

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#72 2009-10-05 6:28pm

TRILOGY
Pro Member
From: Lafayette, IN
Registered: 2007-09-27
Posts: 1604
Bikes: 1

Re: HOW TO ** Remove Anodization **

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#73 2009-10-05 7:07pm

1966bmx
BMXer 4 Life
From: Toluca Lake , CA
Registered: 2007-11-11
Posts: 5137
Website

Re: HOW TO ** Remove Anodization **

i should add that this is great for stripping . BUT if you ever plan of having something re-anno'd . do not do this . another member here found this out the hard way when he tried to have some stuff re anno'd . but for stripping and polishing . this works great .


I used to have a handle on life ...... but it broke ...

If you are under 18 I am sorry . But I will no longer be selling to or buying from you . Too many hassles .

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#74 2009-10-05 10:11pm

Jumpnbean
Centurion Member
Registered: 2009-06-11
Posts: 211

Re: HOW TO ** Remove Anodization **

1966bmx wrote:

i should add that this is great for stripping . BUT if you ever plan of having something re-anno'd . do not do this . another member here found this out the hard way when he tried to have some stuff re anno'd . but for stripping and polishing . this works great .

Why can't it be re-ano'd does it leave it blochy ?


BMX is NOT a sport, it's a ADDICTION

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#75 2009-10-05 10:38pm

OLDSCHOOLBMXER67
Pro Member
From: Ohio
Registered: 2007-06-11
Posts: 2544
For Sale: 8

Re: HOW TO ** Remove Anodization **

this is how i bought it off a member here
http://i23.photobucket.com/albums/b394/bmx35/100_6074-1.jpg

this is after i removed the ano with easy off oven cleaner
http://i23.photobucket.com/albums/b394/bmx35/100_6313-1.jpg

this is how it looks after i sanded it and polished it.
http://i23.photobucket.com/albums/b394/bmx35/100_6353-1.jpg

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