3M 7000045219 Abrasive Disc 1000 Grit 12 Inch Silicon Carbide

Product Description

The 3M 7000045219 is a silicon carbide abrasive disc designed for wet or dry finishing on a wide range of substrates. Built on an A-weight paper backing, it delivers extra-fast cutting action while remaining flexible enough for hand or machine sanding. The 1000 grit rating makes it well suited for fine finishing, polishing, and surface preparation where a smooth, consistent scratch pattern is required. At 12 inches in diameter, it covers substantial surface area per pass, reducing overall sanding time on larger panels or flat stock.

This disc is used in automotive body shops, marine finishing environments, woodworking operations, and general metalworking wherever fine-grit wet or dry sanding is part of the workflow. It performs on paint, primer, gel coat, bare metal, and wood surfaces. The waterproof backing allows wet sanding, which helps flush swarf away from the cutting surface, reduces loading, and extends disc life. Dry use is equally supported, giving technicians flexibility depending on the job.

Key Features

• Silicon carbide mineral cuts faster than aluminum oxide and leaves a finer finish
• Waterproof A-weight paper backing supports both wet and dry sanding applications
• 1000 grit provides fine finishing and polishing capability
• 12 inch diameter suits machine and hand sanding on larger work surfaces
• Compatible with paint, primer, gel coat, metal, and wood substrates
• Reduced loading during wet use extends usable disc life

Compatibility

Designed for use on paint, primer, gel coat, metal, and wood surfaces in wet or dry sanding applications with standard 12 inch disc backing pads.

Installation Notes

This disc is installed by finishing technicians and trades professionals using compatible 12 inch backing pads on orbital or rotary sanders. Ensure the backing pad is clean and free of debris before mounting to avoid uneven contact. When sanding wet, keep the work surface and disc adequately lubricated to maintain cut rate and minimize heat buildup. Always wear appropriate respiratory protection when dry sanding, in accordance with applicable safety standards.

Technical Specifications

• Grit: 1000
• Disc Diameter: 12 inches
• Abrasive Mineral: Silicon Carbide
• Backing Weight: A-weight paper
• Application Type: Wet or Dry
• Package Dimensions: 13 inches x 12.63 inches x 4 inches
• Package Weight: 7.381 pounds
• Unit of Measure: Each
• UPC: 051141279195

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000045219