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Reply by Mark A. DeCou

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Posted on White stained item turns yellow

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Mark A. DeCou

1971 posts in 2912 days


#1 posted 2682 days ago

Hey Kat: just a caution for you, the CA glue has a very strong odor, I mean very strong. Not like Deft Lacquer, but much worse. You’ll want to be cautious about working with it in a large quantity during the winter with closed windows. This summer I used 12-14, 4 oz bottles sealing up cracks and knots in my China Hutch and Dining Table I built. The smell can deaden your nostrils to the point that you don’t really smell it after awhile, until you start to feel bad, which happened to me a few times even with all of the shop windows open, and the vent fan running. What I learned to do with so much of it out wet at one time was to do it before I quit at night, and then went into the house while it was curing.

I put my source for CA glue in the Skills Forum under “What Glue to Use”, which is quite a bit cheaper than Rockler, and I can get bigger bottles from them. I like Rockler and use them for just about everything else I need. I use www.rocklerpro.com which usually is something like 20% less than their regular website. I think you need a tax number as a business to sign up for it, but they have special pricing for professional woodworkers.

You will not want to use the Activator spray with your thin coating of CA glue, as it will turn the CA white-ish, or cloudy. Just use the Thin CA and put it on reall lightly, covering all of the wood, and then let it cure naturally. It can be brushed, but I learned to just use the bottle tip to spread it out while I squirted it out on the wood. Then you can lightly sand to get it smooth after the CA dries. This technique on Oak and Walnut, and other open grain woods will not fill the grain pores, but will seal the wood and hopefully prevent it from turning yellow on you.

Also, I have learned that if I stay away from Paint Thinner thinned finishes, it yellows less, meaning I use Lacquer most of the time. I like the durability of Polyurethane, but keeping a dust free environment in my little shop while it is drying beyond tacky is just impossible. I have learned that if I put down fill coats of lacquer, and let it cure for 2-3 weeks, I can put a coat of either wipe-on poly, or spray poly over the top of the lacquer.

You’ll want to practice on a non-project board before you do your project wood,
let us all know how it works,
mark

-- Mark DeCou - American Contemporary Craft Artisan - www.decoustudio.com


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