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Norton 66261100915 is a 9 x 11 inch, 400 grit Bakdurite Q421 screen abrasive sheet. It uses P-graded silicon carbide abrasive on an open-weave screen backing to provide fine sanding and finishing while resisting loading. The waterproof construction allows washing and reuse, and the open-coat surface helps prevent swarf buildup. Typical uses include hardwood floor preparation, between-coat sanding, and finishing of metals, composites, and fiberglass.
9 x 11 in 400 grit silicon carbide screen sheets on Bakdurite Q421 backing; open-coat, waterproof, washable; packaged in protective dispenser.
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