Use Adalox A211/A213 coarse grit paper sheets for versatile dry sanding of fiberglass, aluminum, brass, bronze, titanium, super alloys, and carbon steels. With an open coating and P-graded aluminum oxide grain, these sheets are suited for moderate-to-heavy material removal. Their A213 C-weight or A211 D-weight backing provides durability and strength, ensuring they perform well under extended use on hardwoods, metals, and composites.