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Old 07-27-2020, 09:00 PM   #1
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Default Sanding between alkyd and acrylic

So I've used an alkyd primer. actually some windows the primer is quite thick and some windows the primer is see through because of thinning.
Should I lightly sand the alkyd primer before I put on an acrylic undercoat?
Apart from de-nibbing, is it a good idea to give it a key?
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Old 07-27-2020, 09:27 PM   #2
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A light sanding to smooth it out is all that should be needed. I think Most oil primers would accept about any acrylic coating without issue.
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Old 07-27-2020, 09:47 PM   #3
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Quote:
Originally Posted by jacob33 View Post
A light sanding to smooth it out is all that should be needed. I think Most oil primers would accept about any acrylic coating without issue.

as long as it wasn't put on too heavy and has stopped off gassing. You can have issues if the primer didn't cure correctly and results in solvent entrapment. even waterborne can have that issue.
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Old 08-01-2020, 07:40 AM   #4
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Quote:
Originally Posted by cocomonkeynuts View Post
as long as it wasn't put on too heavy and has stopped off gassing. You can have issues if the primer didn't cure correctly and results in solvent entrapment. even waterborne can have that issue.
exactly
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