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ted_yosem
Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
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How Do I Clean Brass?




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Q. My husband and I just recently purchased a new home...it happens to be the 2nd oldest house in the town and all the hardware on the doors is brass, but it has 200 years of black crud just caked on it...I went through an entire tin of Nevr-Dull and only got 3 door knob plates clean. I'm going to try the salt/vinegar/flour method but I cannot take the hardware off the doors. I would love to have the original brass back but do not want to go broke buying cleaning supplies! Please help.

Megan Burdick
Apprentice Engraver - Olean, New York
April 30, 2008


A. Friends throw away your nasty flour, salt and water. There is a product out there that will do the job. Non abrasive, non toxic and non smelly. It's cheap, mess free and oh sooooo easy. It'll clean badly tarnished brass and copper in minutes. It's called Barkeepers Friend this on eBay or Amazon [affil links] . A white powder that dissolves in water. Just use a cloth or sponge, slightly wetter that damp, sprinkle some magic powder on the item to be cleaned, just a little, and rub gently. Rinse in clean water and buff with a dry cloth, or you can use a little metal polish. It's truly amazing.
I have just refurbished a brass bed, a lot of brass. One end took a whole week, and then it was far from perfect. When I used Barkeepers Friend I completed the other end in two days. Including stripping the old lacquer, cleaning all the brass, applying new lacquer and re-assembling.
Give it a try!

Philip Lacey
- Norwich, UK
October 2, 2009


Vintage Brass Beds & Parts on eBay [affil link]

Q. For how long does the sheen last after one has cleaned brass with the salt/flower/vinegar past. Will it in any case require a followup with a metal polish?

Gerhard Vermeulen
Collector of Antiques - Cape Town, Western Province RSA
July 19, 2010



Microcrystalline
Museum Waxes

museum_wax
on eBay or

Amazon

(affil links)
Brass Lacquers
brass_lacquer
on eBay or

Amazon

(affil links)
January 2014

A. Hi Gerhard. Brass tarnishes -- that's the way it is. For indoors you can use museum wax, and re-do it every few months, or brass lacquer and re-do it every few years. If the brass is outdoors the lacquer will probably only last a year or two. Good luck.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey




Multiple threads merged: please forgive chronology errors and repetition  🙂



Brass Handrail shows every fingerprint

1999

Q. I have been surfing the metal finishing forum and hope you can answer my question or point me to someone who can.

We have just installed a brass handrail that we bought at our local home-improvement store. We have been unhappy with it because it shows every fingerprint and within a few days looks very dull and dingy. We have to polish it every few days with Brasso this on eBay or Amazon [affil links] . I also have a brass headboard but it rarely shows fingerprints and always looks bright and shiny. I don't know if you can help with this problem or not, but we are looking for some sort of finish that we can apply to our stair rail (it's indoors) that will solve our problem. Does such a product exist?

If you can help us in any way, we would really appreciate it.

Thanks in advance,

Lisa Armstrong


A. Well, you have described precisely what brass does. It tarnishes. Unfortunately, brass is a very reactive alloy and it doesn't take much to ruin the polished surface you create by polishing with Brasso. The only way to protect the coating is to lacquer it with a good organic coating. You can experiment with store bought aerosol cans but I doubt you will get an acceptable finish with those. My advice is to remove the hand railing and take it to a custom finisher in your area who will buff the brass and apply a protective coating with professional spray painting equipment. I have finished brass bed railings with this method and it works very well. It isn't cheap by any means but you get what you pay for. Good luck.

Daryl Spindler
Daryl Spindler, CEF
decorative nickel-chrome plating - Greenbrier, Tennessee
1999



A. This note is probably too late for your application but it worthwhile for future use by others with the same situation. Brass will tarnish unless the surface is sealed with some sort of coating. Handrail does not lend itself to lacquer coatings unless it is little used. Normal wear and tear from rings and traffic will cause the lacquer to chip or wear away. Once this occurs, the exposed area will tarnish and you will not be able to make spot repairs (without looking shoddy). The whole unit will need to be removed and sent out to be stripped and re-lacquered.

The best option for handrail is to apply a wax coating. Any good paste wax will do. Many railing installers actually use car wax (i.e. Turtlewax liquid car polish [affil links] ). This will still require that the handrail be buffed to remove fingerprints but, if the wax wears away and the material tarnishes, you simply use Brasso to remove the tarnish and rewax.

The best way to avoid fingerprints is to not use a brass handrail with a "mirror finish". This high polish finish -- which everyone seems to love -- will show imperfections and fingerprints. It is the "nature of the animal".

Tony

Tony Leto
- Morton Grove, Illinois, USA
1999




Can't clean polishing wax out of threads on brass faucets

Q. I have a big problem with polishing wax after plating. We clean the parts (brass faucets) with hot cleaning and electrocleaning but it is not enough, and parts have wax in threads and small holes. How can I clean brass?

elham bolouri
- mashhad. iran
December 29, 2014


A. Hi Elham. If vapor degreasing is permitted in your area, it will usually remove all wax quickly and easily. Then proceed with your hot cleaning and electrocleaning. Good luck.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
December 2014


A. Elham,

Not sure what the temperature of your hot cleaning is, but usually for polishing residue, a temperature of nearly boiling is required to remove it. There are also proprietary compound removers that may be available in your area that will be more effective than a standard brass cleaner. Good Luck!

Kris DeBisschop
- Stratford, Connecticut USA
December 30, 2014


A. You have a couple of good ideas to follow up on; however, if high heat is a problem you might want to look at ultrasonic cleaning at lower temperatures

tony kenton
AF Kenton
retired business owner - Hatboro, Pennsylvania
December 30, 2014



Q. Hi,
What type of ultrasonic to use for cleaning wax and sand of brass faucet?

What type of wax is more suitable for polishing brass parts? In addition, the wax can be easily cleaned before plating. We use wax made of ghee and it is very hard to clean before plating.

I have a problem when we use hot water for cleaning brass: we have some spots. When the time is prolonged, we have this problem -- the color of spot is pale red.

Thanks

elham bolouri [returning]
- mashhad.iran
December 31, 2014




Thick, black, oily goop on brass knobs after dipping in vinegar in bulk on eBay or Amazon [affil links] and flour which took the bulk of the muck off after 3 applications then used wire wool and Brasso to finish, worked a treat.

9922-2

It went from black and unrecognisable to a beautiful shiny intricate piece of brass

Caroline Knight
- New Zealand




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