The last shall be first. Varnish, unlike shellac and lacquer, doesn't have a
solvent. Going over the area with more varnish will not redissolve the white
parts. It will however, fill the sanding scratches and make them, to some
With varnish and especially since you are using satin you have two choices.
Sand down a coat till it is flat and has a even scratch pattern over it. I'd
suggest 220 grit rather then 400. Then apply a perfect next coat and leave
it alone. .
Go through the whole rubbing out process until you reach a sheen you like.
Rubbing out is a process of cutting back the surface with ever finer grits
of abrasive until the scratches disappear to the eye and the finish reaches
the sheen you like.
You will probably not have to go through as many grits as you would with
have to go through if you had used a gloss varnish but, then again, you
won't end up with as a nice a finish as would be possible if you had used a
Note; sanding sealer may make sanding the first coat easier but it can cause
adhesion problems for the next coat.
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