NORTON BLUEFIRE R821P zirconia pressure sensitive adhesive (PSA) backed cloth discs are precision stamped and bonded with an extra strong PSA backing. This aggressive material delivers a fast cut on hardwoods, stainless steel, aluminum, nickel alloy, and tool steel. Great for grinding, surface polishing, and de-burring of forgings and castings.

• Premium zirconia grain | Closed coat
• Recommended for: stainless steel, aluminum, blades and rotors, titanium, nickel alloy, cast iron, high cobalt, carbon and tool steel, and de-burring of welds.
• Cloth backing | Resin over resin bonding
• Release paper protects the adhesive from contaminants and allows for superior grip
• Anti-static / Anti-clogging stearate resists heat and loading for better performance and a cleaner working environment
• Adhesive (PSA) backing | Super heavy Y-weight poly/cotton backing
• 24-80 grit:wet or dry applications
• 100-120 grit:dry applications only