2936 siawet 100x50000mm P602936 siawet is a large format waterproof silicon carbide roll for professional wet sanding of painted and lacquered surfaces. The sharp silicon carbide grain cuts cleanly without scratching, while the waterproof C weight paper backing can be used with water or cutting fluid for a swarf free finish and extended abrasive life. Ideal applications: Wet sanding of automotive paint, lacquer and clearcoat Flatting high build primer and primer filler