[TheForge] clear coat question

Sun May 25 13:57:01 2003

on 5/24/03 12:58 PM, Paul Hewitt at [email protected] wrote:

> Lacquer is solvent based material with a high VOC content, and it "dries"
> literally, the VOC evaporate leaving a deposited coating any simplex
> materials that can be dissolved can be used to form lacquers..
> 
> Polyurethane is a chemical sure, typically on contact with oxygen tin the
> air, it "crosslinks" on cure to form a more durable coasting, except without
> proper preparation it will not adhere to most surfaces (primer).  Primer can
> be as simple as a chemical wash etc to cause a direct bond to the substrate.
> 
> Enamel material is a "pre made" polymer chain usually of acrylic, they can
> be short or long chemical chains and polymers, they again are solvent borne,
> and will be deposited along with a binding agent which will "dry" leaving a
> film coating.  Durability in this application is mediocre at best.
> 
> Tough durable coating and simple to use as long as you own a spray can.  Any
> acrylic clear coat sold at automotive paint stores.  Not urethanes because
> they will not stick. the gloss can be removed by "breaking" the particular
> type of material with a solvent to de-gloss the final product, or apply a
> light spray after the final coat has dried.
> 
> 
> ----- Original Message -----
> From: "Roger Olsen" <[email protected]>
> To: "Art Metal" <[email protected]>; "The Forge"
> <[email protected]>
> Sent: Saturday, May 24, 2003 6:25 AM
> Subject: [TheForge] clear coat question
I have had real good luck with krylon brand clear acrylic spray paint. comes
in several different degrees of gloss. For indoor iron it makes the stuff
look great, dries fast, doesnt smell too bad, and is cheap and quick enough
to recoat every few years.