Aggressiveness: Its Angular shape and hardness make it a very aggressive abrasive, perfect for jobs requiring rapid material removal. Mercer 9" x eleven" Waterproof Sandpaper Sheets feature premium Silicon Carbide Grains that are resin on resin bonded on to strong latex-backed paper. These silicon carbide sandpaper sheets might be used https://squarebeams15926.wikinewspaper.com/3148042/helping_the_others_realize_the_advantages_of_silicon_carbide_and_aluminum