Brown Aluminum Sand Paper Roll: can be made belt,used for wood,plywood,painted surface,good anti-clogging performance Brown Aluminum Sand Paper Roll:(1)Abrasives:aluminum oxide;(2)Bond:resin over resin;(3)Paper:E,F-weightGrit:36-40-50-60-80-100-120-150-180-220-240-280-320-360-400-500-600-800;sheet:230*280MM;Max.width for roll:1400MM;Min.width for roll:50MM Brown Aluminum Sand Paper Roll