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yellowing while finishing

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Forum topic by slowboy posted 07-23-2013 07:17 AM 545 views 0 times favorited 4 replies Add to Favorites Watch
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slowboy

2 posts in 1234 days


07-23-2013 07:17 AM

I was sprayin my doors ant white.i let m dry.they were too t flat so i sprayed them laquer top coat.right away they started to yellow.what i do wrong! Allpaint was laquer based.ica. respray just cuous why


4 replies so far

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404 - Not Found

2544 posts in 2433 days


#1 posted 07-23-2013 09:40 AM

What kind of timber are the doors, is the lacquer water based, what about primer?

Sounds like a reaction with the tannin in the wood but not enough info to go on.

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NoLongerHere

893 posts in 2140 days


#2 posted 07-23-2013 12:00 PM

spell much?

seriously…..give us a break

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Finisherman

227 posts in 1313 days


#3 posted 07-23-2013 05:54 PM

Are you using a regular nitrocellulose lacquer as your top coat? If you are, then that may well be the cause of your difficulty. Nitrocellulose lacquer imparts an amber cast which can discolour a light-coloured painted finish. Next time, use either a CAB “water-white” lacquer or else a waterborne finish. Unfortunately, I don’t know of any remedy for your current dilemma, short of stripping and refinishing. Maybe someone else has an idea.

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slowboy

2 posts in 1234 days


#4 posted 07-26-2013 03:22 AM

Yes it was a nitrocellulose laquer. I sanded the doors down? followed ur advice perfect.thanks for saving my jo

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