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#127179 - Wed Dec 27 2006 07:48 PM Re: Cleaning Cement off a Porcelain Sign ??
richburris6 Offline
Petro Enthusiast

Registered: Sat Jul 01 2006
Loc: Concord, NC
I am an inspector with NCDOT and field test concrete and other materials. We use vinegar to clean up our test instruments after the cement has dried. They are made of glass and porcelain is essentially a glass product. I have also taken concrete off of large porcelain signs by using a metay putty knife and rubber hammer to loosen the large clumps, being careful to stay off the porcelain. Then working using plastic instruments to get the rest off.
Good Luck Rich B
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#127180 - Thu Dec 28 2006 09:48 PM Re: Cleaning Cement off a Porcelain Sign ??
allsho80 Offline
Petro Enthusiast

Registered: Tue Jan 10 2006
Loc: Oquawka, IL
This might sound funny but, WD40. My dad was a contractor and when concrete would splash upon sideing WD40 would take it right off after it hardened. I also have seen it used to take concrete off many other things. It also stated it in there book they put out on what WD is good for.
Might give it a shot, alot easier on the finnish than acid!!!!
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#127181 - Fri Dec 29 2006 03:36 PM Re: Cleaning Cement off a Porcelain Sign ??
gasoildude Offline
Veteran Member

Registered: Mon Nov 29 2004
Loc: Oneida IL USA
It will give some shine too lol
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#127182 - Fri Dec 29 2006 05:22 PM Re: Cleaning Cement off a Porcelain Sign ??
hotcidr Offline
Veteran Member

Registered: Fri Jul 27 2001
Loc: Carpinteria, Ca. USA
Yo Ho and Happy New Year. Here's my take. Get some commercial porcelain toilet bown cleaner which is actually diluted muratic acid this is wont' hurt you unless you just pore it on yourself. Small brass brush, light strokes and wala you are done. Polish to perfection and good luck.

[This message has been edited by hotcidr (edited 12-29-2006).]

#127183 - Fri Dec 29 2006 08:29 PM Re: Cleaning Cement off a Porcelain Sign ??
Dick Bennett Offline
Veteran Member

Registered: Wed Oct 25 2000
Loc: Santa Paula, Calif
Are those TOPS bolted on ? Sure Glad TOKHEIM 36B doors AREN'T locked on !
Hey, what time did you say your leaving for the party ?
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#127184 - Sat Dec 30 2006 10:23 AM Re: Cleaning Cement off a Porcelain Sign ??
gasgeezer Offline
Petro Enthusiast

Registered: Wed Mar 20 2002
Loc: Hamilton Mt, USA
Ray, Looks like the pot a gold is directly under the center of the rainbow in Ca...

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