3M Wetordry Paper Sheet, 431Q, grade 240 micron, 9 in x 11 in (228.6 mm x 279.4 mm) The 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. Product Information Brand 3M Part # 7000118313 Dimensions 9x11 Grit 500 Length 11 Inch Width 9 Inch Material 431Q Mineral Silicon Carbide Origin Country USA Product Type Regular Sanding Sheets Product InformationSilicon carbide mineral helps produce a smoother finish than aluminum oxideStrong C-weight paper backing offers durability for either hand or machine sandingVersatile sheet can be used wet or dry on paint, primer, gel coat, metal, and wood finishesWaterproof backing supports wet applications for decreased loading and a faster cut
