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Author Topic: Lacquer V.S. Enamel  (Read 25193 times)
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ruiz_carlo
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« on: October 08, 2005, 02:42:04 AM »

How are the two different???

What are their advantages and disadvantages? Thumbs Up
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viridius
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« Reply #1 on: October 08, 2005, 02:53:09 AM »

I doubt very many cases, if any, are lacquered or enamelled.  You're probably referring to the finish type denoted on a particular variety of paint.  Correct me if I'm wrong, but I'm pretty sure lacquer is glossy, while enamel is glossy, but with a slight texture.
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linear
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« Reply #2 on: October 08, 2005, 07:37:15 AM »

The main difference is the way it behaves in the solvent, and how that affects the process.

Enamels go through a "cure" process where the polymers in the paint set up longer chains and bond together. Enamel, once hardened, won't soften back up. So laying another coat of enamel on, you want to scuff the existing coat for good adhesion.

Lacquer dries by the evaporation of the solvent. Lacquer will soften the existing coats slightly, and you get a bond between coats that way.

Putting enamel over lacquer = ok

lacquer over enamel =  Mad Mad Mad
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ruiz_carlo
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« Reply #3 on: October 08, 2005, 11:44:13 PM »

What type is commonly or best used in CPU casing painting?

I saw linear's site and there he used enamel.  Smile
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Blooz1
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« Reply #4 on: October 09, 2005, 10:26:12 AM »

Lacquer can require many coats, and is also very "brittle" - it chips easily.

When done right though, it's a great looking finish!

Ever see any councours-class antique cars? Back in the day (1920's-1930's) on the really expensive cars like Deusenburgs, Bugattis, etc. there were sometimes 20-30 coats of lacquer paint, hand-rubbed between each coat to build up the extremely smooth, glossy, rich finish.
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ruiz_carlo
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« Reply #5 on: October 10, 2005, 02:37:47 AM »

Thanks for the info Thumbs Up

Could that mean that enamel is easier to work with??
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linear
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« Reply #6 on: October 10, 2005, 03:21:08 PM »

I've actually never done a laquer job, I always use enamel, so I'm hesitant to comment.

I've heard that lacquer gives a deeper luster, esp. lacquer clears. It kind of makes sense when you think about it--instead of sanding between coats, each one kind of marries the coat below it, partially dissolving it again.

This is actually almost no help whatsoever, but what the heck:
http://www.duplicolor.com/solutions/faq.html

I'm always a big fan of the "run a test piece" approach. If you're still conflicted, invest the ten bucks and run a piece through both systems, and tell us which way you prefer. I think that technique (and notably attention to detail in prep) trumps product selection every time. Do the job right and either system will look incredibly good.
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ruiz_carlo
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« Reply #7 on: October 10, 2005, 10:03:27 PM »

ok Thumbs Up

I am going to try enamel first. I have a lacquer with me but i could not find a clear coat for it.

Thanks for your help. I am really new to this and I could not find anyone to help me. LOL

I will be posting my comments soon Wink

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ice_cubed
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« Reply #8 on: October 19, 2005, 08:22:51 AM »

Thanks for the info Thumbs Up

Could that mean that enamel is easier to work with??

In my experience, I have to be more careful with lacquer to avoid runs.  On the other hand I seem to get less orange peel with lacquer. 
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