Yes, and it will give some corrosion protection.
A coat of shellac can be placed over polyurethane. You should use de-waxed shellac if you plan on placing more polyurethane on in the future.
Yes, shellac can be used over paint as a durable finish.
no there is not because shellac is created by a bug.
No, it is not recommended to put lacquer over shellac for a durable finish. Shellac is not compatible with lacquer and can cause issues with adhesion and durability. It is best to use one type of finish throughout the project for the best results.
Yes, shellac is not recommended for outdoor use as it is not as durable or weather-resistant as other finishes like varnish or polyurethane.
Actually, it's rarely used in paint, and if it is, it would be as a dryer. Methanol is, however, a basic ingredient used to cut shellac to proper weight for application. Shellac is not paint, though.
To effectively remove shellac by rubbing it out, you can use denatured alcohol and a soft cloth to gently rub the surface until the shellac is removed. Be sure to work in small sections and apply even pressure to avoid damaging the underlying surface.
That is the correct spelling of the word "shellac" (referring to a varnish).The same spelling is used as a proper name by a band Shellac.
Production of Shellac records started in 1898
Zinsser Shellac Primer is beneficial for painting projects because it provides excellent adhesion, seals in odors and stains, dries quickly, and can be used on various surfaces like wood, metal, and plastic.
In my limited experience, yes.
A clear enamel spray will just absorb into the cork. You might as well use the paint straight. Get a stain kill primer or a shellac based primer ant coat the cork prior to painting.