Liquid sandpaper is very effective in small spaces or over ornate work where you can’t use regular sandpaper. However, it also offers distinct disadvantages. Because there are two drying times involved, it’s actually a lengthy process.
Accordingly, do I wipe off liquid sandpaper?
After thoroughly cleaning your item, apply the liquid sandpaper/deglosser to an old rag or sponge, wipe down the entire item, and let it dry.
Then, what can you use liquid sandpaper on? Using liquid sandpaper/deglosser or sandpaper helps dull any old paint, gloss, or varnish; preps the area for a new coat of paint or varnish; and helps bond the new finish to prevent it from chipping off easily.