... and deburring.Sandblasting, using compressed air, is traditionally used to prepare surfaces for coatings. The sharp particles of aluminum oxide or other ... are removed in the process, leaving a good surface for paint adhesion.However, substrates other than steel can often ... 42 mm60-80 mesh / 0.16-0.25 mmRecyclable. Call for details. Alumina, glass beads, silicon carbide, silicon carbide, steel, ...