Wet sanding, which is sanding with the addition of water to act as a lubricant, is less abrasive than dry sanding, and results in a smoother finish. It’s best to wet-sand the final finish of a project. Dry sanding removes more material, and smooths rough material quickly.
Also know, can you use any sandpaper for wet sanding?
You won’t want to use regular sandpaper sheets for wet sanding. The abrasive grit on regular sandpaper loads up with the material being sanded. This, plus the grains, will usually cause more scratches on the material. You’ll want to use sandpaper that’s made specifically for this method.
In respect to this, which sandpaper is waterproof? Water-resistant sandpaper is mainly composed of silicon carbide abrasives according to its abrasive composition. According to the binder, there are ordinary low-cost binder sandpaper; there are also synthetic resin as binder in high-grade water sandpaper.