3M 7000118884 Psa Cloth Sanding Disc 348D 80 Grit 20 Inch

Product Description

The 3M 7000118884 is a PSA cloth sanding disc in the 348D series, designed for heavy-duty material removal in industrial and trade applications. The disc measures 20 inches in diameter and carries an 80-grit aluminum oxide abrasive, making it well-suited for aggressive stock removal on metal, wood, and composite surfaces. A pressure-sensitive adhesive (PSA) backing bonds securely to backup pads or steel platens, then releases cleanly for fast disc changes. A resin bond locks the abrasive in place and dissipates heat to extend disc life during prolonged use.

This disc is built for production grinding and finishing environments where high material removal rates and consistent performance are required. It is appropriate for use in metal fabrication shops, woodworking operations, and surface preparation tasks on large flat or contoured workpieces. The 80-grit cut level targets initial shaping, weld blending, and coarse surface conditioning. The disc supports both wet and dry sanding setups, giving it flexibility across different production workflows. Technicians and operators working with large-diameter rotary or oscillating equipment will find this disc a direct fit for high-output applications.

Key Features

• Pressure-sensitive adhesive backing adheres firmly to backup pads or steel platens and releases cleanly for quick replacement
• X-weight cloth backing resists tearing and edge wear under aggressive cutting conditions
• Aluminum oxide abrasive delivers fast cutting action and long service life across a range of surfaces
• Resin bond construction protects against heat buildup, extending disc longevity in sustained use
• Compatible with both wet and dry sanding applications for workflow flexibility
• 20-inch diameter suits large-format machines and high-volume material removal tasks

Compatibility

Designed for use with large-diameter rotary sanding equipment that accepts 20-inch PSA-mount discs with backup pads or steel platens.

Installation Notes

Installation should be performed by qualified operators familiar with large-diameter abrasive disc equipment. Ensure the machine is fully powered down and locked out before mounting or removing the disc. Clean the backup pad or steel platen surface before applying the PSA disc to ensure full adhesive contact and prevent slippage during operation. Follow the equipment manufacturer's maximum speed rating and do not exceed the disc's rated operating speed.

Technical Specifications

• Abrasive Type: Aluminum Oxide
• Grit: 80
• Diameter: 20 inches
• Backing Weight: X-weight cloth
• Bond Type: Resin
• Attachment Method: Pressure-Sensitive Adhesive (PSA)
• Application: Wet or Dry
• Package Dimensions: 20.7 x 20.7 x 1.8 inches
• Package Weight: 7.75 pounds
• UPC: 00051144888740

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000118884