Formulated for very fine surface conditioning. Low R.M.S. finishes are commonly achieved. Plastic medias are widely used in the precision metal industries. Also due to fine surface finishes achieved, parts are prepared for preplate, pre-anodize, or decorative polishing. Brown, V-Cut, Cone (medium cut), Green (light cut), andWhite (very fine cut). Density - 55 lbs. / Cu. Ft.