Reply by splintergroup

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Posted on Strange behavior in finish when HVLP spraying

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6013 posts in 2503 days

#1 posted 12-08-2019 03:35 PM

Those look like tiny popped bubbles.

My only guess is the area has the primer thinned out too much with sanding. The bubbles form when air trapped in the wood pores seeps out (breathes), possibly from some temperature differential between the project and the sprayed material?

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