Sand Paper 12.1 Waterproof Abrasive Sand Paper I.Product main parameter Abrasive grain Silicon carbide,aluminum oxide, calcinec aluminum oxide, aluminum oxide, white aluminum oxide,,, ects. Grit Size 60#---2000# Backing Latex paper, polyester cloth, cotton,blend cloth,E-wt paper,G-wt paper, C-wt paper , Sponge, ects. Sandpaper Size 9" x 11" or according to customers' need Elecro-coated waterproof abrasive paper is made of synthetic resin, silicon carbide coated on paper backing. It's suitable for grinding and polishing automobile, furniture, leather, cases of electrical household appliances and mechanical accessory.It has features of grinding in the water,bright workpieces surface and no dust pollution. II.Feature: a.Waterproof and oil proof b.Sharp,high efficiency c.High strength and toughness, Wear tear resistant,longer life d.Good anti-clogging e.With water lapping, fine finish on the workpiece surface and no dust pollution.