Aluminum Oxide grain with a flexible "J" weight full cotton backing in an open coat to prevent premature loading. Full resin bond. Engineered for use on soft woods like pine, fir or spruce and non-ferrous metals including aluminium, copper, lead, nickel, tin, titanium and zinc, and alloys such as brass. Suitable for profile work and sanding contours or curves.
This product can expose you to chemicals including formaldehyde, which is known to the State of California to cause cancer. For more information go to: www.P65Warnings.ca.gov.