Not familiar with Hydrocote but Lacquer is way more brittle than poly.
It may be an adhesion problem but more likely applied to thickly per
coat or sharp corners. This is why I think it is critical with Lacquer
to spray it in a hatch pattern of crossing directions in thin coats.
It might be just my perception but this seems to toughen it a little
I hear some folks like per-catalized Lacquer now days. I might have
heard its harder and less brittle but not sure that is true. Maybe
someone can comment.
Me, If I use lacquer any more I put it on very thin. Fast and easy and
doesn't chip, etc. I love it. Don't use it much on tables anymore
ibecause of wear problems I favor wipe on poly.
Not sure my previous post made it up but i answered my own question
about pre-catalyzed lacquer. Looks like catalized lacquers are
(Scroll down to a few short paragraphs on Lacquer)
SP - they are a lot harder. The Sherwyn Williams rep here keeps
trying to get me to test his stuff out, but at this point I am not
I have heard different things about the cat lacquers, some good and
some bad. I know that one of the local cabinet shops got the ratios
off a little on the post catalysed, and had hell to pay as the finish
He also told me that they are heat sensitive (it was about 100 here
today!), had to sprayed with high pressure guns to get a really good
finish, and the smell would choke a hazmat specialist.
Like you I spray multiple thin coats to get what I want, and out of my
HVLP system. I would be worried about something goofing up my second
and then topcoat of finish if I were waiting on catalysing, or
anything else that could be weather and temp affected.
I would >>really<< like to hear from you (as would several here I
would bet) about what you think of the stuff if you decide to take the
Yeah, after my quick read on the pre-vs-post acatalized I think I
would opt for the pre-mixed stuff to avoid a bad mix. I wonder if you
can use the normal retarders, blush and flash control and dryers withe
the cat type lacquers. With the NC lacquers I always play with the
amount of thinner depending on the temperature and often use the flash
control on hot summer days and driers in the cold of winter, although
I have sprayed on too cold of a day and paid the price.
If I do shoot any cat lac I'll write here but nothing for that in the
pipe right now.
I got a chuckle out of that. As much of an information obssessed
addict as I am for anything I am doing, I don't even have a faint clue
if you can use all the "stuff" we use with NC. I know you can use
lacquer thinner to clean the guns >as long as< the pre cat/post cat
hasn't gone off completely.
That's not much, eh? I don't know about you, but I am just not in the
mood to learn all the little ins and outs, the little idiosyncrasies
of another finish. And I am not going back to high pressure unless my
HVLP breaks down.
Good enough. I'll keep an eye out. I have a feeling you will be
there before I am.
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