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two part urethane clear coat?

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Forum topic by vandusen posted 10-25-2020 05:27 PM 202 views 0 times favorited 3 replies Add to Favorites Watch
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vandusen

1 post in 36 days


10-25-2020 05:27 PM

Topic tags/keywords: epoxy resin polyurethane varnish lacquer oil wax

does anyone have experience with this finish, or a link to some info on using this…? i am interested in a one app finish that will maintain a high gloss wet look…


3 replies so far

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Loren

10789 posts in 4565 days


#1 posted 10-25-2020 05:39 PM

I’ve used smelly 2 part floor finish. It works. I’d guess the two parts allow it to go on thicker, like a bar top finish but I’m not sure about it.

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CaptainKlutz

3835 posts in 2411 days


#2 posted 10-25-2020 07:05 PM

Welcome to LumberJocks!

Your request is little too generic, what you want to finish?

Do you have a particular brand or product you saw to generate this interest? There are many in market.

Have used various 2 part (2K) urethane for decades. First on cars in 70’s, then on wood projects in later years.

Generally with old school stuff if you can smell it, you are killing yourself. The isocyanate curatives used are really bad for your health. Need coveralls to protect skin, googles for eyes, and respirator for lungs when using them. Newer materials are less sensitizing over time, but still dangerous.

Have used an old school Lorchem 2K poly Ok865 on bar tops several times. Has a high build gloss finish. Tends to yellow/amber slightly with heat aging. Perfect for bar top as they are usually beat up badly, and amber aging lends to normal rustic look.

Sherwin Williams Industrial Coatings in US carries several SlayerLock 2K poly made by Renner Coatings in EU. These are similar to Lorchem chemistry, with slightly thinner film build. They can be temperamental to spray depending on local environment. The AZ low humidity demands extra slow retarder to get good wet out.

Several of the European 2K acrylic urethane’s sold as clear coat for vehicles, are rebranded and sold for wood working overseas. Automotive 2K urethane ‘glamor’ clear coats tend to use a higher film build than most folks want on wood. But these also can be buffed to ‘mirror’ finish gloss levels it that is goal.
Sprayed some surplus Matrix auto clear coat on a small wooden box and looked like I dipped it shiny plastic. Interesting looking, but made the box seem like it was not real wood?

Renner has introduced a new generation of water based 2K urethane finishes for wood to US market. They have been used in EU for many years with success in cabinet industry. Tough as nails surface, water white color, and lays down easy. Unfortunately, can only get semi-gloss or satin sheen locally in new Renner WB poly finishes?

Best Luck!

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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SMP

2880 posts in 823 days


#3 posted 10-25-2020 07:23 PM

First time I ever used it I didn’t habe any type of booth. A fly landed on it and destroyed it. The wet time is SOOOO long. So my recommendation is buy/make a good booth before starting. Also, get something to clean up the drips and nibs. Other than that its not too bad.

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