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Forum topic by Jon1094 posted 770 days ago 562 views 0 times favorited 6 replies Add to Favorites Watch
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Jon1094

41 posts in 808 days


770 days ago

Hey everyone. I have about ten coats of minwax laquer on a chess board. I rubbed the finish to a high gloss and it has been sitting for about two weeks now. I put the weighted pieces on last night and, in the morning, when I took them off, they had settled into the finish a bit. The leather bottoms had made an imprint into the finish. Needless to say, I repolished it. How long do I let the finish cure or harden before I can use it?
Thanks!


6 replies so far

View Tennessee's profile

Tennessee

1447 posts in 1117 days


#1 posted 770 days ago

If you brushed it on, it probably is so thick you may be looking at a couple months. In the guitar world, when someone puts on a sprayed poly finish, it is not unusual for it to cure in a proper environment for 6-8 weeks before final assembly.

-- Paul, Tennessee, http://www.tsunamiguitars.com

View Fuzzy's profile

Fuzzy

289 posts in 2591 days


#2 posted 770 days ago

+1 on Paul’s perspective … 10 coats, especially brushed on will take a LONG time to thoroughly dry. Leave the piece where it has good air circulation around it, and OUT OF direct sunlight. It most likely will take weeks, if not months to thoroughly dry to the core, and any time you place an object on the surface, you are impeding the evaporation of solvents flashing off as they rise to the surface.

Don’t bother with final rubbing or polishing until it is completely dry … you will probably need to do it again at that point in time.

-- - dabbling in sarcasm is foolish … if you’re not proficient at it, you end up looking stupid … ... ...

View Doss's profile

Doss

779 posts in 867 days


#3 posted 770 days ago

Wow. 10 coats? Why so many (especially if brushed on)? Just wondering.

It sounds like you’ve got a pretty long wait in front of you. I don’t know how long you waited between each coat; so, that could make a big difference as well.

-- "Well, at least we can still use it as firewood... maybe." - Doss

View rockindavan's profile

rockindavan

283 posts in 1239 days


#4 posted 770 days ago

When I made a piano bench top that required a mirror finish, I waited a month before flattening and polishing it.

View TCCcabinetmaker's profile

TCCcabinetmaker

925 posts in 957 days


#5 posted 770 days ago

ten coats is alot, usually you only hear about that many coats in boat building…

usually unless i use a heavy pigment stain my lacquer cures within 24-48 hours.

-- The mark of a good carpenter is not how few mistakes he makes, but rather how well he fixes them.

View gfadvm's profile

gfadvm

10598 posts in 1293 days


#6 posted 770 days ago

I think too many coats too quickly keeps the finish from curing/drying. I’ve had the same experience and I can tell you that putting it in the sun to hasten curing is a BIG mistake (bubbles the size of grapes).

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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