The 6" Aluminum Oxide (1200g) - Film PSA (Pressure Sensitive Adhesive) Sanding Abrasive Disc is specifically designed for fine finishing applications on mild steel and aluminum. ARC Abrasives' PSA discs are engineered to support a broad spectrum of grinding and sanding operations, ranging from aggressive material removal to precision surface finishing. Offered in a comprehensive selection of sizes and abrasive materials, these discs are compatible with a variety of equipment, including orbital sanders and large back stand grinders. With multiple backing options such as cloth, paper, and film and available in pressure-sensitive adhesive, hook-and-loop, or plain attachment formats, these discs provide the versatility and performance required for demanding industrial applications.