3M™ Wetordry™ Paper Sheet 431Q features extra-fast cutting silicon carbide on a strong C-weight, waterproof paper backing to provide superior finishing for both wet and dry applications on a variety of substrates, including paint, primer, gel coat, metal, and wood.
Features
Versatile sheet can be used wet or dry on paint, primer, gel coat, metal, and wood finishes
Waterproof backing supports wet applications for decreased loading and a faster cut
Strong C-weight paper backing provides durability for either hand or machine sanding
Silicon carbide mineral produces a smoother finish than aluminum oxide
Sheet is standard 9" x 11" and can be sized according to task