ALI INDUSTRIES 4238 9" x 11" Waterproof Sanding Sheets Product Description Our premium waterproof sheets are the ideal choice when wet sanding and finishing by hand are required. The latex backing provide maximum durability while being flexible enough for sanding curved or contoured surfaces. The tough grain helps produce exception finishes in wet sanding applications. We offer a full grit range that will take your project from start to finish. From the Manufacturer Gator Grit 25 Count 9" x 11'' 600 Grit Ultra Fine Waterproof Sandpaper. Use this sandpaper for sanding automotive paints, urethane, lacquer, varnish, porcelain, acrylic enamel. Can also be used to remove rust stains from porcelain sinks and tubs. To smooth surface use in between coats. Sand with water to resist clogging for an improved finish. If using an orbital sander, cut sandpaper into 1/4 sheet, 1/3 sheet, or 1/2 sheet to fit sander. Features 600 grit sheets are best for sanding between coats of paint and to wet sand primer coats Made with a premium grain, which offers a higher cut rate and uniform scratch pattern which makes it perfect for achieving fine finishes When sanding wood, 600 grit waterproof sheets are ideal for smoothing and de-nibbing top coats, as well as surface preparation before soft rub out of cured top coats Use dry during the preparation phase of a project, usually when removing existing finishes, rust and oxidation; it is also key when sanding and shaping body fillers and primer coats Sheets can be cut-to-fit 1/2 sheet, 1/3 sheet, or OE sheet sanders USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.