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Polishing Brass Door Knocker?


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#1 TAHOE ONLINE  

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Posted October 14, 2014 - 07:39 AM

Okay, so we have this beautiful lion's head door knocker I want to restore-polish. I know the steps to final polish, etc, but I am wondering if there is anything I can soak it in to get the initial crud off and out of the crevises? I was thinking maybe vinegar or some coke as they work on rust pretty well, but don't want to damage the brass. Not sure if it's coated, it hangs on front door, but there is a storm door in front of it.

I can't afford the local polishing companies prices so its a DIY project.

 

I appears to be solid brass, not plated, it's pretty heavy.

I have seen this particular one on ebay go for $125-200 all polished up.

 

 

lion head.jpg

lion head back.jpg

 

 

 

 

 



#2 Cat385B ONLINE  

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Posted October 14, 2014 - 07:48 AM

Use a magnet to make sure it's not plated, brass isn't magnetic.

You can use ketchup with a rag to buff it.

You can try lemon juice.

You can put 2 tablespoons of white vinegar and a tablespoon of salt in a half pint of warm water.
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#3 LilysDad ONLINE  

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Posted October 14, 2014 - 08:59 AM

It took a long time to get that patina and you can't put it back.


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#4 Sawdust OFFLINE  

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Posted October 14, 2014 - 09:03 AM

Bar Keepers Friend. My wife has used this stuff for years. I recently done a remodeling job that the HO had a pair of antique nautical ship lamps as wall scounces. She wanted me to clean but no way, I told her about BKF. I guess she didn't want her pinkies dirty so she had it done. It cost her $250. but they looked great. She told me they used BKF. This is a powder but to soak add a little water to make a paste. Let it sit for a minute or two it doesn't take long then rinse. It has very good instructions on the back for various metals. It's not expensive either. Make sure you show us your pics with a glare.
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#5 jabelman OFFLINE  

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Posted October 14, 2014 - 09:03 AM

Yeah i would leave as is
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#6 TAHOE ONLINE  

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Posted October 14, 2014 - 09:27 AM

I know it has character with the tarnish but I don't like it. It was polished at one time and I would like to get it back.


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#7 Gtractor OFFLINE  

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Posted October 14, 2014 - 10:01 AM

I use Brasso.  It works great on brass serial tags on older tractors and on door knobs. 


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#8 TAHOE ONLINE  

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Posted October 14, 2014 - 10:36 AM

I was looking at ones on evilbay, what do you all thnk about just polishing the high spots and leaving creavices patina'd?

 

 

 

 



#9 Cat385B ONLINE  

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Posted October 14, 2014 - 10:40 AM

Don't cave in to patina pressure. Polish that sob up and make it shine, brother.

Patina (noun) def: looks like crap, but still works as originally designed.
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#10 TAHOE ONLINE  

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Posted October 14, 2014 - 11:11 AM

I don't care what everyone else says Cat, I like you :D


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#11 hamman ONLINE  

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Posted October 14, 2014 - 11:24 AM

BKF or Brasso. Both are great for polishing brass. BKF can be used with a tooth brush when in a paste form. Brasso also can be used with a tooth brush but it is a little harder to do. I've used both and they each have their strong points. After polishing use a good brand of clear coat or varnish type coating on it to keep it shining.  Be sure to post pictures of the after progress.                                                                                                                     Roger.



#12 robert_p43 OFFLINE  

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Posted October 14, 2014 - 11:35 AM

I don't know about brass but my guess it would work great!  I had a radiator leak in a 72 Chevy Impala that my wife had once.  I didn't have the money to get a new one so I clipped the fins away from the tube that was split.  Then I went to the local hardware store and bought a propane torch, some radiator lead solder and here's the kicker....MURIATIC ACID!  I brushed that on that tube and it was instantly shiney, like a brand new penny. Actually, I brushed it for a few seconds.  I told the guy at the hardware store that all I had done was dipped the flux brush in once and he said, bring the gallon of acid back, if you don't need it.  So I did. I had no use for a whole gallon.



#13 TAHOE ONLINE  

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Posted October 14, 2014 - 11:45 AM

Muriatic acid is basically Hydrochloric, it can etch metal pretty fast. I use it here at work, don't play around with it.

You could've used the left over to clean your concrete drive! :thumbs:



#14 JD DANNELS OFFLINE  

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Posted October 14, 2014 - 11:46 AM

I once had a brass bathtub internal stopper stuck. It was an upstairs bathroom that was rarely used. I took it apart and I knocked the stopper out with a wooden block.
I then put it in a bucket and mixed white vinegar and water 50/50. let it sit overnight and was amazed at how pretty it was. And it never stuck again.

Be sure it is solid brass and not plated first. Thevmild acid might take plating off? rinse it very well and if you do not was it ti weather use a good wax on it.

Edited by JD DANNELS, October 14, 2014 - 11:49 AM.

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#15 Auburn David OFFLINE  

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Posted October 14, 2014 - 12:11 PM

Don't cave in to patina pressure. Polish that sob up and make it shine, brother.

Patina (noun) def: looks like crap, but still works as originally designed.

You just described my Tractor!!!!


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