shellac application

Depends on how thick you are applying it and how much you've thinned the shellac with alcohol. You don't need to sand except for appearances sake. Shellac will stick to itself quite well, regardless of how glossy it gets.

David

brandt wrote:

snipped-for-privacy@telus.net (brandt) wrote in news: snipped-for-privacy@posting.google.com:

white shellac is used as a primer under one or more paint coats, right? Zinsser BIN product in the US.

Two good coats should suffice. Sand only if you need to level under the topcoat.

Now if we're discussing something else...

Patriarch

I've been using two coats of 2lb shellac on my projects. MDF shouldn't make a difference.