3M 7000118879 Psa Cloth Sanding Disc 3 Inch 50 Grit

Product Description

The 3M 7000118879 is a pressure-sensitive adhesive (PSA) cloth sanding disc designed for heavy-duty material removal on metal, wood, and composite surfaces. The disc uses aluminum oxide abrasive bonded with a resin bond system that resists heat buildup, extending disc life under sustained use. X-weight cloth backing provides the rigidity needed for aggressive stock removal without tearing or edge breakdown. Rated to 10000 RPM, this disc is built for high-speed rotary and orbital tools used in production and finishing environments. Installation and removal are fast, making it practical for high-volume sanding operations.

This disc is sized at 3 inches in diameter and carries a 50-grit cut, placing it in the coarse stock-removal range. It is suited for both wet and dry sanding applications, giving it flexibility across fabrication, weld blending, surface prep, and paint removal tasks. The PSA backing bonds securely to compatible foam or rubber backup pads and steel platens, eliminating the need for mechanical fasteners and reducing changeover time on production lines or in field repair work.

Key Features

• Pressure-sensitive adhesive backing adheres to backup pads and steel platens for fast, clean removal and quick disc replacement
• X-weight cloth backing withstands aggressive sanding without tearing or edge wear
• Aluminum oxide abrasive delivers fast cutting action and long service life across a wide range of surfaces
• Resin bond construction protects against heat damage and extends disc life
• Rated to 10000 RPM for use with high-speed rotary and orbital tools
• Compatible with both wet and dry sanding applications

Compatibility

Designed for use with PSA-style backup pads and steel platens that accept 3-inch PSA sanding discs.

Installation Notes

This disc is installed by a technician, fabricator, or metalworker onto a compatible PSA backup pad or steel platen mounted to a rotary or orbital sanding tool. Confirm the tool and backup pad are rated to at least 10000 RPM before mounting the disc. Power down and disconnect the tool before changing discs. Remove the liner from the adhesive backing, center the disc on the pad, and apply firm pressure to seat the adhesive before returning the tool to service.

Technical Specifications

• Abrasive Type: Aluminum Oxide
• Grit: 50
• Disc Diameter: 3 inches
• Backing Type: X-weight Cloth
• Attachment Method: Pressure-Sensitive Adhesive (PSA)
• Max Speed: 10000 RPM
• Application: Wet or Dry
• Weight: 0.02 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000118879