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Removing laquer from clock brass

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David Lawrence 213/03/2014 16:04:36
16 forum posts

Hi all, I am restoring a Bulle electric clock and most of the brasswork has been laquered in the past but is in a poor state. Any ideas of how to remove the laquer so i can polish the brass again. i have tried chemical paint stripper but it did do that much. regards David

Neil Wyatt13/03/2014 18:55:11
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19226 forum posts
749 photos
86 articles

It may be shellac based, in which case try meths.

Neil

blowlamp13/03/2014 19:13:23
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1885 forum posts
111 photos

Acetone also works quite well.

Martin.

NJH13/03/2014 19:41:49
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2314 forum posts
139 photos

Hi David

THIS should do it. They also sell the lacquer so that you can re-do it when you've finished. What's more you can spend a happy hour or two browsing through all the other clock related goodies!

Norman

David Lawrence 217/03/2014 13:10:42
16 forum posts

Update on removing laquer.

Thanks for all the ideas, tried Acetone and Meths, no joy. bought some clock laquer remover from M & P.

No Joy still trying

David

WALLACE17/03/2014 13:27:56
304 forum posts
17 photos
I've found cellulose thinners and an old toothbrush good for removing the resin from home made circuit boards. The resin is quite tough, meths won't touch it but the thinners willl - it even softens the tooth brush plastic !

W.
Rik Shaw17/03/2014 13:37:53
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1494 forum posts
403 photos

Not sure if it will work but you could try some isopropyl alcohol from your local pharmacy or some nail varnish remover.

Rik

Trevorh17/03/2014 14:05:29
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316 forum posts
89 photos

If you know anyone in the printing industry try Ethyl Acetate or MEK they tend to shift all know laquers and coatings

need to where gloves tho' as they are serious degreasing agents and very flammable

roy entwistle17/03/2014 15:57:34
1716 forum posts

David I think a lot depends on what laquer has been used Some is applied hot I have used Hammerite Brush Cleaner

Roy

jason udall17/03/2014 17:35:17
2032 forum posts
41 photos
With meek
..your gloves need to wear gloves...
Fred Nightingale17/03/2014 17:47:13
19 forum posts
8 photos

Hi

Try a mixture of household ammonia in hot water with a touch of washing up liquid.

Fred

PS do it in the open air

Clive Hartland17/03/2014 17:50:21
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2929 forum posts
41 photos

I think now David you are into physical removal, going down the grades of wet and dry to bare metal and getting a nice grained finish to re-laquer.

In the old days I used to use Frigiline, put on with a camel hair brush and no over brushing. Put it on and stand back.

It is possible the plates you have may have been laquered with what was called, 'Dragons Blood' which hardens with age and is difficult to remove.

Good luck with it!

Clive

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