UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - What causes this in polyurethane varnish?

PsychMan · 30th Jul 2020, 3:25 pm

Actually its not just the edges.

The attached picture gives a clearer picture of what is happening.

At the time of applying, the coat looks smooth and fine, with no marks like this

30th Jul 2020, 3:25 pm	#5
PsychMan Octode Join Date: Jun 2013 Location: Fleet, Hampshire, UK Posts: 1,764	Re: What causes this in polyurathane varnish? Actually its not just the edges. The attached picture gives a clearer picture of what is happening. At the time of applying, the coat looks smooth and fine, with no marks like this Attached Thumbnails