To achieve a Matt finish on polyurethane you must sand it with a grade p400 average particle size in microns(in inches) .00137. this will defuse the light rather than reflect the light. you can always use a matting solution such as turps but it can get very messy and sticky if you don't know what you are doing.
Bleach
Often, poly will not adhere due to contaminants on the surface. Remove all of the loose coating, sand the surface, brush off the surface with a brush, then remove the remainder the dust with a tack cloth.
You don't. You will most likely have to restain after stripping.
Yes, that was the original intention of urethane.
You can remove stains or blemishes from a polyurethane watch by scrubbing it with a wet terrycloth that has been dipped in a solution of warm water and liquid dish soap. For tough stains, dip a melamine foam sponge into the solution, ring out and wipe the watch gently. Dry well with a clean towel.
To remove polyurethane from brass, you can use a solvent such as acetone or denatured alcohol. Apply the solvent to the polyurethane with a soft cloth or brush, let it sit for a few minutes, and then scrub the affected areas until the polyurethane is removed. Be sure to clean the brass thoroughly afterward to remove any residue.
Bleach
To remove polyurethane from terrazzo floors, you can use a chemical stripper specifically designed for removing polyurethane coatings. Follow the instructions on the product carefully, and make sure to ventilate the area properly. After stripping the polyurethane, clean the terrazzo floors with a neutral pH cleaner and rinse thoroughly to remove any residue.
If polyurethane does not shine on a wood floor, it may be due to insufficient application of the product, improper sanding or preparation of the wood surface before application, or using the wrong type or quality of polyurethane. To achieve a shiny finish with polyurethane on a wood floor, ensure proper application techniques, including applying multiple thin coats, adequate drying time between coats, and proper sanding and preparation of the wood surface.
One way to remove polyurethane from fabric is to gently scrape off as much of the excess as possible using a dull knife or spoon. Then, apply a solvent such as rubbing alcohol or acetone to a clean cloth and blot the affected area to break down the polyurethane. Finally, rinse the fabric thoroughly with cold water and launder as usual.
Often, poly will not adhere due to contaminants on the surface. Remove all of the loose coating, sand the surface, brush off the surface with a brush, then remove the remainder the dust with a tack cloth.
Remove and absorb excess oil or just wash your face more with a shine removing soap or you can get the shine removing sheets.
Call them..
You don't. You will most likely have to restain after stripping.
Mineral spirits can be used to remove a polyurethane spill on your stainless steel refrigerator. Simply dampen an old rag with some mineral spirits and rub the affected area. Wipe away any residue with a clean, damp cloth.
Polyurethane can be recycled.
dampen a rag with lighter fluid or mineral spirits. no you wont remove the polyurethane, its dry. but it will however remove the glue with no problem or blemishes in your poly.