3M G120C Wetordry Sandpaper Sheet 120 Grit 9x11 in

Product Description

The 3M G120C is a 120-grit silicon carbide abrasive sheet designed for wet or dry sanding applications across automotive, metalworking, and surface prep tasks. Measuring 9 inches by 11 inches, this flat, flexible paper-backed sheet delivers consistent cut and finish on a range of substrates. Silicon carbide abrasive mineral provides sharp, fast cutting action, making it well suited for shaping plastic filler, removing paint around damaged areas, and scratch refinement on bare metal. Trades working in body shops, general fabrication, or surface restoration will find this sheet compatible with machine sanding setups.

This abrasive sheet is used in automotive refinishing and metal surface preparation workflows. It performs in both wet and dry sanding conditions, giving technicians flexibility depending on the finish stage and material. Common applications include removing paint from damaged panels, refining scratches on bare metal, and shaping plastic body filler. Its 9-inch by 11-inch format fits standard sanding blocks and machine holders used in production and repair environments.

Key Features

• 120-grit silicon carbide abrasive for fast, controlled material removal
• Wet or dry compatible for flexible use across sanding stages
• 9 inches by 11 inches flat sheet fits standard machine and hand sanding applications
• Flexible paper backing conforms to contoured surfaces
• Suited for shaping plastic filler, paint removal, and bare metal scratch refinement

Compatibility

Designed for use in wet or dry sanding applications including shaping plastic filler, removing paint around damaged areas, and scratch refinement of bare metal. Compatible with machine sanding equipment that accepts standard 9-inch by 11-inch abrasive sheets.

Installation Notes

Load the sheet into a compatible machine sander or wrap around a sanding block before use. Power down any connected equipment before changing abrasive sheets. When wet sanding, ensure the work area and drainage are appropriate for water use. Follow applicable shop safety practices and wear appropriate eye and respiratory protection when dry sanding.

Technical Specifications

• Grit: 120
• Abrasive Mineral: Silicon Carbide
• Sheet Size: 9 inches x 11 inches
• Shape: Flat
• Backing Type: Paper
• Flexible: Yes
• Sanding Method: Machine
• Wet or Dry: Wet-Dry

Standard Information

• Brand: 3M
• Manufacturer Part Number: G120C