Waterproof silicon carbide Abrasive Paper Size: 230x280mm, 115*280, roll Grain: Silicon Carbide Backing: kraft Paper Waterproof silicon carbide Abrasive PaperSize: 230x280mm, 115*280, rollGrain: Silicon CarbideBacking: kraft PaperApplication: ... humid and dry condition. For wet sanding of paints, primes, surfaces of the automobile industries ,sanding and finishing of plastics, leather ,mechanical ...