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  • Versatile disc can be run wet or dry on paint, primer, gel coat, metal, and wood
  • 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 cuts faster than aluminum oxide and produces a smoother finish
  • 3M Wetordry Paper Disc 431Q features extra-fast cutting silicon carbide on a strong, waterproof paper backing that gives you superior finishing for both wet and dry applications on a variety of substrates.

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