Description 90 Micron Aluminum Oxide is an abrasive indicated for: • Bonding prep • Metal surfaces only • Fast cement removal from crowns and brackets • Ideal use for: MicroEtcher
GC Metal Strips - Coarse (No. 300 Mesh - 90 Micron), Blue, 12/Pack MSRP: Was: Now: $171.95 Quick view Compare Choose Options