Subject: Re: Applying Lacquer to Polished Brass

From: [email-masked] (Jim Waggener)
Date: Wed, 04 Dec 1996 22:47:38 GMT

[email-masked] wrote:

>I am encountering an intermitent problem with "milking"
>when applying lacquer to polished brass.

>I have already taken humidity into account and have experimented
>with different methods and lacquers with no consistent result.

>Does anyone have a good technique to share that works consistently?

>thank you for your help

>Chris Sully

>[email-masked]

Chris,

I did this for years. The best lacquer I found was made by
Sherwin-Williams. Most important is that your brass is clean of
buffing compounds. I usually wiped down the brass with thinner before
lacquering. .  For a dip use a 50/50 lac to thinner ratio, for a spray
make it a 3/4 thinner to 1/4 lac. . Sherwin-Williams makes a great
metal lacquer. The lac stock number is T87-313 and thinner is
R7k22......great product, try it.

regards,

Jim Waggener

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From: Glen Gardner <[email-masked]>
Date: Thu, 12 Dec 1996 11:12:14 +0000

A great product formulated especially for copper & brass alloys is 
called "Incralac" It is manufactured by Stan Chem in New Berlin, 
CT. It is available in laquer base or water base. Based on acryllic 
resin it contains benzotriazonole which chemically bonds with the 
copper and prevents oxidation under the coating. It has an exterior 
life of over 5 years in harsh enviornments. A company called 
"Custom Aerosol Products" in Piqua, OH sells the laquer based 
version in spray cans and by the quart. Stan Chem sells only by 5 
gallon pails or more. This is GREAT stuff and is commonly used for 
preservation of outdoor sculpture.

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From: [email-masked] (Orest I Koroluk)
Date: Wed, 11 Dec 1996 16:47:22 -0400

In article <[email-masked]>, [email-masked] (Jim

> R7k22......great product, try it.

I went looking for this product last night. No luck finding a dealer that
carries Sherwin Williams, yet. 

I have been  a clear lacquer aerosol by Krylon. It works reasonably well,
but I can't help think there must be something better out there.

During my search last night I came across a product called CLear made by
Tremco. It is specifically labelled as containing anti-oxidants and
recommended for use on polished brass, copper, bronze, aluminum, chrome,
and steel. The product seems to be marketed for coating of polished brass
mailboxes, house numbers etc. I am going to give it a try to see if it
performs well. I have coated a small part made of brass by dipping last
night. It might need thinning for a less bulky coating.

Anyone else have any suggestions.

Orest

-- 
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                           Orest I. Koroluk
                   Technical Officer~Agent technique
     Royal Military College of Canada~College militaire royal du Canada      
     Department of Mechanical Engineering~Departement de genie mecanique 
                   Kingston  Ontario  Canada  K7K 5L0
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From: [email-masked] (John O. Kopf)
Date: 13 Dec 1996 03:36:16 GMT

Lacquer seems to set up harder if the brass is warm...try warming it to
150 F ...it also dries much quicker.

JK