These Wetordry polishing papers from 3M can be used wet or dry on anything you want to put a superior finish on. 481Q is a silicone carbide grain and is used on the 30 and 15 micron sheets. 281Q is an aluminum oxide grain pulverized to be micron graded, and is used in the 1, 2, 3, & 9 micron sheets. Both have a very sharp grain and will produce a rapid finish. Comes in 4” x 6” sheets. Assortment package comes with 3 each of 6 different grits (400, 600, 1200, 3000, 6000, 8000).
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