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Post by Leftee on Jul 15, 2023 15:22:43 GMT -5
So… until today I’ve never used the stuff. I bought a couple cans a week or two ago because I figured as wet as this summer is, I’ll need it.
Sure enough, today I tempted fate and lost.
Wow! This stuff is magic in a can! Not only did it cure the problem, it also made the color look deeper and richer and the overall finish smoother.
I had another guitar in-work that didn’t have any blushing so I went ahead and hit it too. Wowzers! Smoother finish and nicer colors.
Should I have been using this all along?
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Post by funkykikuchiyo on Jul 15, 2023 20:25:21 GMT -5
Not sure... I know some people put fish eye eliminator in every batch without many consequences.
How does the anti-blush work? Is it just an extra thinner? If it is something along those lines, my guess is that it might alter cure time or not let you spray as thick as you want.
I might make a mental note during sand out/buff to see if it behaves the same. I know a lot of lacquer formulations can be extra gummy, though I doubt this stuff would do that...
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Post by Leftee on Jul 16, 2023 15:19:43 GMT -5
This is the stuff, although there's not a helpful description of the product. www.mohawk-finishing.com/products/wood-touch-up-repair/aerosols/super-blush-retarder/I'm still using rattle cans. For those who shot with a gun, there is an anti-blush product and, from what I can find, you mix it with the lacquer or with thinner. So maybe this stuff is thinner and the anti-blush component? I really don't know. I will take you advice, though. It seems experimentation is in order. |
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Post by funkykikuchiyo on Jul 16, 2023 15:37:55 GMT -5
Yeah, that's over my head. There is an SDS sheet which will tell you what it is in it, and a very quick google search tells me that they are indeed solvents used in paints/finishes/plastics and some cleaners. My guess is that it just loosens up the lacquer enough to let moisture escape. If that is true, then once it is dry it shouldn't make any difference....?
If it makes it past the final buff and doesn't do weird post cure stuff after that, I would think you're in the clear. I would think that anything long down the road (weird adhesion/peeling, extra reactive to other materials, whatever) would require a change to the composition of the lacquer solids, not just the solvents.
Really, I'm just guessing, though.
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Post by Leftee on Jul 16, 2023 15:40:33 GMT -5
I would think you're in the clear I see what you did there. 🤣 I wish the Goo was here. He'd know. I'll just soldier on. And do some more innerweb searches. |
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Post by Leftee on Jul 16, 2023 15:41:16 GMT -5
I will add that this stuff dries crazy-fast.
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Post by funkykikuchiyo on Jul 16, 2023 15:46:24 GMT -5
I would think you're in the clear I see what you did there. 🤣 I noticed it after I typed it, but left it. I'm quite proud of it.
I know some people have dealt with blush just by shooting straight thinner/acetone, but that is pretty sloppy. Maybe those thinners (ones I didn't recognize) bond differently with h2o and help it flash off without making the lacquer super runny?
Only pitfall I can think up now (and I'm really pulling this out of my @$$) is if instead of flashing off the moisture it leaves it bound up but somehow just makes it less blushy. If that is the case, using it too much wouldn't be an issue, but relying on it too much might be, since you could have very blushy finish down the road. Might be worth keeping an eye out in online searches and see if anyone experiences the blush coming back later? (As I said, I'm totally making this up. Don't put too much weight into it.)
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Post by Leftee on Jul 16, 2023 16:03:26 GMT -5
The instructions are to only apply a light coat and wait a few minutes to see if the problem goes away. On the blushed body one thin coat was all it took.
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Post by Leftee on Jul 17, 2023 8:57:25 GMT -5
My guess is that it just loosens up the lacquer enough to let moisture escape. That's what my online research is finding. It also seems to "settle" the lacquer coats in the process. I bought the Super Blush Retarder - which is Mohawks slowest anti-blush solvent. I would have been OK with their "normal" blush retarder. They say the Super is their slowest... but it still evaporates pretty fast, IMO. |
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