Antique Engines and Old Iron
[Home] - [HELP] - [Forums] - [Articles] - [Photo Gallery] - [Groups] - [Chat] - [Classified Ads] - [Subscribe] - [Links] - [Books] - [Sponsors] - [Tools]

Go Back   SmokStak > SmokStak® Antique Engine Community > Antique Gas Engine Discussion
Forgot Password? Join Us!

Notices

Antique Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Antique Gas Engine Discussion

How to get copper to look old?


this thread has 16 replies and has been viewed 15606 times

Reply
 
Thread Tools Display Modes
  #1  
Old 03-26-2007, 06:20 PM
Gene Fisher's Avatar
Gene Fisher Gene Fisher is offline
Subscriber
 
Join Date: Nov 2004
Location: Pilot Point, Texas
Posts: 938
Thanks: 1,601
Thanked 1,489 Times in 295 Posts
Images: 5
Default How to get copper to look old?

I need to get some copper tubing to look old, what chemical can i use? I don't want the new look that comes with new tubing. Thanks
Reply With Quote
Sponsored Links
  #2  
Old 03-26-2007, 06:32 PM
Robert Haus Robert Haus is offline
Registered-III
 
Join Date: Dec 2004
Location: North Pole, Alaska
Posts: 404
Thanks: 28
Thanked 43 Times in 36 Posts
Default Re: How to get copper to look old?

Try using liver of sulphur. (can be found at jewelers supply houses) ...Ammonia might also work. (so might burying it in the cat's litterbox) .....The mixture strength and duration will dictate what level of tarnish you end up with (coppery-brown or full green) Use a dilute solution at first and make sure you use some solvent (like acetone) to remove any oil that may be present on the fresh, new tubing before you start.

rh
Reply With Quote
  #3  
Old 03-26-2007, 06:34 PM
Byron Roberts's Avatar
Byron Roberts Byron Roberts is offline
Registered-III
 
Join Date: Oct 2004
Location: Germantown, Ohio USA
Posts: 614
Thanks: 141
Thanked 155 Times in 56 Posts
Default Re: How to get copper to look old?

Gene: see if some of this might help.. http://www.finishing.com/faqs/patina.html
Reply With Quote
  #4  
Old 03-26-2007, 07:10 PM
Gene O. Carpenter's Avatar
Gene O. Carpenter Gene O. Carpenter is offline
Subscriber
 
Join Date: Nov 2004
Location: Rumson, New Jersey,,Soon to be Brookville Pa
Posts: 1,281
Thanks: 1,121
Thanked 581 Times in 226 Posts
Images: 15
Default Re: How to get copper to look old?

Gene to Gene :<)
I found this while looking for a way to "age" my brass cannons.. Haven't gotten around to trying it yet but I do have a 8" Napoleon hanging up out back..It's been there for 3 years and it looks good but not quite good enough!
What ever you use make sure to wear safety glasses and do it outside or with adequate ventilation!

The copper should be clean and free from grease and then immersed in the following solution:
Copper nitrate. . . . . . . 8 oz.
Calcium chloride . . . . . .8oz
Ammonium chloride . . . . . 8oz
Water . . . . . . . . 1 gal.
Alternatively, use the following:
Nitrate of iron . . . . . 4 oz.
Hyposulphate of soda . . . . . 4 oz
Water . . . . . . . 1 quart.
Apply until the desired finish is obtained and then rinse with clear water.

If it's 21ft lengths or already installed you might try wrapping it with paper towels and saturating the toweling keeping it wet til you get the results you want..Then rinse. But expect a mess..If it's coiled tbng use 1x6's to build a frame big enough to accept the coil,,lay 6 mil poly over that and fill it with your solution..Make sure ends are sealed, you don't want it to get inside.

Gene
Reply With Quote
  #5  
Old 03-26-2007, 07:36 PM
Franz Franz is offline
Registered 0
 
Join Date: Nov 2004
Location: Hilton, New York USA
Posts: 522
Thanks: 0
Thanked 0 Times in 0 Posts
Default Re: How to get copper to look old?

1, bring it over and let me touch it. Within 48 hours, it will look old.

2, use it as an electrode on the positive side of an electrolosys tank and allow to dry.
Reply With Quote
  #6  
Old 03-26-2007, 09:22 PM
R Lebs R Lebs is offline
Defective Email Address
 
Join Date: Nov 2006
Location: Modesto, CA USA
Posts: 15
Thanks: 0
Thanked 0 Times in 0 Posts
Default Re: How to get copper to look old?

I aged some 3/4" copper tubing for a home improvement project with a vinegar and salt solution. While this method isn't very sophisticated, it left the tubing with the dusty green patina I was looking for. Ultimately, it didn’t last in the outside weather and turned the color of an old penny. I simply brushed it on, let it dry and left it outside. For the solution, I dissolved several tablespoons of salt in a cup of white vinegar – you might have to experiment a little on the solution strength. If you are in a hurry, I’d go with Franz’s electrolysis process. Good luck!
Reply With Quote
  #7  
Old 03-27-2007, 12:50 AM
diyer diyer is offline
Registered
 
Join Date: Mar 2007
Location: NH
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
Default Re: How to get copper to look old?

SSSHHH, Don't tell anyone about this secret.

My father in law was showing me the nice copper roofs on a well know College. They replaced the copper roofs on some of the buildings and wanted it to look aged like the other roofs.

The workers urinated into buckets and poured it over the new roof. The new copper aged very quickly. I haven't tried it, but it does seem like it would work. Urine is very acidic and will eat away at many metals.

Don't tell people how you aged it. They will not appreciate it.

diyer
Reply With Quote
  #8  
Old 03-27-2007, 09:05 AM
Bill Geyer's Avatar
Bill Geyer Bill Geyer is offline
Subscriber
 
Join Date: Jul 2005
Location: Granbury, Texas, USA
Posts: 1,273
Thanks: 256
Thanked 123 Times in 83 Posts
Images: 12
Default Re: How to get copper to look old?

Just take it over to my friend Roger in Arlinton, it will be un-recognizable in a day or two, just like the Mag Lite he got for Christmas, or the radio he put in his car, (I thought it came from a wrecking yard but it was new). Better not give him the fittings, they will never be seen again
__________________
May the Stak be with you
Bill
Reply With Quote
  #9  
Old 03-27-2007, 10:54 AM
Robert Haus Robert Haus is offline
Registered-III
 
Join Date: Dec 2004
Location: North Pole, Alaska
Posts: 404
Thanks: 28
Thanked 43 Times in 36 Posts
Default Re: How to get copper to look old?

The suggestion about urinating on the copper roof sheets is similar to my bury it in the cat box idea...The really dirty secret, or perhaps just a forgotten one is that the Statue of Liberty was rennovated several years ago and that is what many of the workers were doing from up on the scaffolds...not very polite (especially for someone on a lower scaffold ) but the result was aged copper.

rh
Reply With Quote
  #10  
Old 03-27-2007, 11:00 AM
MoRo's Avatar
MoRo MoRo is offline
Registered-III
 
Join Date: May 2005
Location: Jamestown, North Dakota USA
Posts: 2,963
Thanks: 2,398
Thanked 1,322 Times in 650 Posts
Default Re: How to get copper to look old?

Quote:
Originally Posted by Franz© View Post
1, bring it over and let me touch it. Within 48 hours, it will look old.

2, use it as an electrode on the positive side of an electrolosys tank and allow to dry.
Franz, he wants it to look old, not ancient!!! (wicked laughter coming from the Midwest!)
Reply With Quote
  #11  
Old 09-05-2013, 04:34 PM
Jumpa Jumpa is offline
Registered
 
Join Date: Feb 2012
Location: Plymouth, Massachusetts
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
Default Re: How to get copper to look old?

Quote:
Originally Posted by Gene Fisher View Post
I need to get some copper tubing to look old, what chemical can i use? I don't want the new look that comes with new tubing. Thanks
simply pour some well water over it the P'H. is so low in all well water it will give you that green affect pronto... if you want it eve faster sand down the pipe first to remove the protective film on it. It will shine for a day or so then turn brown then it will start the greening which is actually copper itself then dip it pour some unfiltered well water over it
Reply With Quote
  #12  
Old 09-05-2013, 04:51 PM
LarrapMan's Avatar
LarrapMan LarrapMan is offline
Subscriber
 
Join Date: May 2010
Location: Derbyshire, England.
Posts: 1,751
Thanks: 1,002
Thanked 3,108 Times in 843 Posts
Default Re: How to get copper to look old?

And over 6 years later you should be good to go

Joe
__________________
My Youtube Channel
Reply With Quote
  #13  
Old 09-07-2013, 11:00 AM
Batch33 Batch33 is offline
Registered-III
 
Join Date: Oct 2007
Location: North Hampton, NH USA
Posts: 96
Thanks: 57
Thanked 160 Times in 43 Posts
Default Re: How to get copper to look old?

I thought I would share this , instead of using copper use cupro-nickel brake line . It is corrosion proof ,bends and forms like a dream and has an antique look straight out of the box.
I replaced kero and water injection lines on a 10 hp stover with copper and it just did not look good ,made new lines out of cupro nickel and after getting wet a couple of times they look like really distressed nickel plated brass , dull grey/brown .

they also look perfect for oil feed lines
Reply With Quote
  #14  
Old 09-07-2013, 01:30 PM
bigblock bigblock is offline
Email Not Working
 
Join Date: Aug 2007
Location: Taylorsville,MS USA
Posts: 156
Thanks: 5
Thanked 25 Times in 21 Posts
Default Re: How to get copper to look old?

Just let it GET old,then it will look old. LOL
Reply With Quote
The Following User Says Thank You to bigblock:
  #15  
Old 09-08-2013, 10:57 AM
W.P.Klein W.P.Klein is offline
Sponsor
 
Join Date: Oct 2004
Location: Sandy Lake, Pennsylvania
Posts: 404
Thanks: 201
Thanked 974 Times in 137 Posts
Default Re: How to get copper to look old?

Quote:
Originally Posted by Robert Haus View Post
The suggestion about urinating on the copper roof sheets is similar to my bury it in the cat box idea...The really dirty secret, or perhaps just a forgotten one is that the Statue of Liberty was rennovated several years ago and that is what many of the workers were doing from up on the scaffolds...not very polite (especially for someone on a lower scaffold ) but the result was aged copper.

rh
That must be why Obama seems to do it on a weekly basis! (sorry dems, couldn't resist!) Bill Klein
Reply With Quote
The Following User Says Thank You to W.P.Klein:
  #16  
Old 09-08-2013, 08:40 PM
Mike Lucius's Avatar
Mike Lucius Mike Lucius is offline
Subscriber
 
Join Date: Apr 2006
Location: Greeneville, TN USA
Posts: 224
Thanks: 808
Thanked 246 Times in 63 Posts
Images: 25
Default Re: How to get copper to look old?

I got some fertilizer (Miracle Grow, I think) on a brass garden hose nozzle and it aged it in a hurry. Might be worth a shot on copper.
Reply With Quote
  #17  
Old 09-08-2013, 09:41 PM
bobgill2009 bobgill2009 is offline
Registered-III
 
Join Date: Nov 2009
Location: Boaz, KY USA
Posts: 47
Thanks: 18
Thanked 205 Times in 33 Posts
Default Re: How to get copper to look old?

Gene, I have aged a lot of brass and copper by simply mixing a box of Arm and Hammer baking soda in a 5 gal plastic bucket, put the part in and check it every few days until u get the color u want, wash the part in clear water to kill the soda. You can leave it in longer it will take on a dark blue color but will fade back to a brown. Simple, cheap and easy.
Bob
Reply With Quote
The Following User Says Thank You to bobgill2009:
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

F o r u m Jump

Similar Threads Chosen at Random
Thread Thread Starter F o r u m Replies Last Post
Need source for Copper jlwright Scale Model Engineering 6 09-01-2007 03:39 PM
copper gas lines Leonard Keifer Small Air Cooled Gasoline Engines 3 12-21-2005 07:41 AM
New Copper Wire 6hpMarty Generators & Motors General Discussion 7 12-02-2005 12:44 AM
copper tank dusty Steam Stationary Engines, Traction Engines, Steam Boats 3 04-05-2004 02:10 AM
copper ring larry harding Antique Engine Archives 5 06-09-2000 07:17 AM


All times are GMT -4. The time now is 12:06 PM.

Smokstak and Enginads site search!


All use is subject to our TERMS OF SERVICE
SMOKSTAK® is a Registered Trade Mark
A Community of Antique Engine Enthusiasts
Copyright © 2000 - 2014 by Harry Matthews
P.O. Box 5612 - Sarasota, FL 34277