Crafted using a premium, heattreated abrasive, ProSand A259PS coarsegrit paper sheet cuts faster and longer than ordinary paper and is a great choice for heavy material removal Pair it with your sanding boardblock or sand by hand to remove stock from fiberglass and composites aluminum, brass, bronze, titanium and super alloys, hard, soft and 300 Series stainless steels and hard and softwoods Latexsaturated and featuring a heavyweight, fiberreinforced backing, this highly flexible tearresistant paper is easy to fold and provides excellent grain retention The waterbased stearate open coating resists clogging and loading and eliminates color transfer during sanding