Patriot Wet & Dry Sheet Sandpaper There are many types of wet & dry sand papers on the market. The high end quality is known as Latex backing. Latex backing allows for greater strength, especially when wet, excellent flexibility and less clogging. The range of Patriot abrasive sand papers will certainly increase. We thought wise to start at the high quality end first. With coarseness starting at a 80 grit, all the way through to a superfine 2000 grit. You will be able to find the correct sandpaper for any job