Dry Abrasive Sand Paper I.Product main parameter Abrasive Grain: Aluminium oxide Available Grits: P80~P800 Size: 9” x 11” (230mm x 280mm) Type: Paper Sheets Backing Material: Latex Paper Bonding: Resin over Resin Coating State: Open coat Top Coat: Special top coat Polishing and grinding for lacquer, paint, magnesium, alloy, aluminum alloy, wood etc. II.Feature: 1) Sand paper sheet be used by hand grinding 2) Sand paper belt be used with belt grinder 3) Good at preventing block when buffing BECAUSE OF THE ANTI-CLOG COATING COVER. 4) Has uniform and good grinding effect after grinding.