DEMO® sand paper sheets are the best choice for dry or wet sanding paint, primer and primer surface, it is also used for deburring, removing sand scratches, shaping and finishing plastic filler, and feather-edging repaired areas and dry sanding old paint and between-color coats, deburring, and feather edging . DEMO® sand paper sheet is a brand waterproof paper it will not tear or crack no matter how long you leave it in water, it has curl resistance built right in so it stays flat . DEMO® sand paper are fully synthetic resin-bonded to flexible paper, densely coated with ALUMINIUM OXIDE, and can be...