Yes, mineral spirits can effectively remove varnish from a surface.
Nail polish remover is usually diluted acetone. Varnish remover is usually either toluene or mineral spirits.
Oil-based poly varnish is thinned with mineral spirits. Water-based poly varnish is thinned with water. And polyurethane car paint is thinned with reducer.
No, mineral spirits are not conductive. They are non-conductive solvents commonly used for cleaning and thinning oil-based products like paint, stain, and varnish.
its youse to do protact somethink eg wood suface or a hard shiny surface
Yes, mineral spirits can be used on wood for cleaning and finishing purposes. It is commonly used to clean wood surfaces before applying a finish, as it helps to remove dirt, grease, and other contaminants. Additionally, mineral spirits can be used as a solvent for oil-based finishes, such as varnish or polyurethane. However, it is important to use mineral spirits in a well-ventilated area and follow safety precautions, as it is flammable and can be harmful if inhaled or ingested.
No, this I wouldn't do, you must remove as much of the oil finish as possible, try using Naphtha, Turpentine, or Mineral Spirits, let dry completely, sand and then varnish, the finish will be determined by how well you removed the old oil finish.
methylated spirits
To effectively varnish wood, start by sanding the surface smooth and clean. Apply a coat of wood conditioner to help the varnish adhere evenly. Then, apply the varnish in thin, even coats, allowing each coat to dry completely before applying the next. Sand lightly between coats for a smooth finish. Choose a high-quality varnish for durability and UV protection.
acetone and mineral oil.
To effectively apply polyurethane varnish to wood surfaces for a durable and protective finish, follow these steps: Prepare the wood surface by sanding it smooth and clean. Apply a coat of polyurethane varnish using a high-quality brush or applicator. Allow the varnish to dry completely before sanding lightly and applying additional coats as needed. Sand between coats for a smooth finish. Allow the final coat to dry thoroughly before using the wood surface.
I would think it should be sealed with something. As a test, lick the slate and see if you get a mineral or dirt taste. If so, this could transfer to the cheese. I wonder if mineral oil applied and buffed off might not seal it well enough. You can mix varnish and lacquer thinner 50/50 and rub it on. This penetrates more and does not leave as much of a surface of varnish.
To remove varnish from any surface, use Acetone. Acetone is also in nail varnish remover.