P600 grit sandpaper for fine finishing on sanding blocks, sanding boards or sanding by hand Upgrade your sanding experience with Norton A275OP sandpaper, premium, P-graded, heat-treated aluminum oxide sanding sheet that provides a consistent surface finish and exceptional performance on all surfaces and coatings This sandpaper for wood, steel and glass is uniquely designed with fiber-reinforced, B-weight latex-saturated backing for 50-60% improvement in tear strength, exceptional flexibility and can be folded without cracking Professionally designed with a non-pigmented, water based stearate coating that provides the best resistance to clogging and loading during sanding Use this wood sandpaper as the best choice for finishing when hand sanding painted surfaces, composites, plastics, or any material that tends to load