3M™ Microfinishing Film Disc 372L, 30 Mic, Config

3M™ Microfinishing Film Disc 372L is a fast cutting abrasive for precise, uniform, close-tolerance finish. A high friction coating on a strong, flexible 5 mil polyester film backing for use on metal and plastic surfaces, or for paint spot repair.
Special Price $0.85 Regular Price $1.00
UPC 00076308667467
3M ID 7100047359
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Micron-graded Mineral with Advantages

Available in fine micron-graded aluminum oxide, 3M™ Microfinishing Film Disc 372L features a flexible, film backing with a high-friction coating for better grip during use. This disc is available in varying diameters and center hole sizes. A polyester film backing is typically stronger than paper backings and more conformable to part profiles. It is waterproof so can be used in wet applications.

Fine Finishing, Powertrain Microfinishing, Superfinishing Performer

Microfinishing – an important application for many operators – corrects the geometry of parts and creates fine finishes. Microfinishing can remove damaged or amorphous layers to improve the surface finish and roundness of the part. Operators should consider finish and stock removal requirements when selecting the right microfinishing film.


  • Micron-graded aluminum oxide abrasive mineral provides precise, uniform, close-tolerance finishes
  • High friction coating on film backing (backsize) to prevent slipping
  • Ideal for metal, plastic finishing, and paint spot repair
  • Wide grade range for varying finish and stock removal requirements
More Information
3M ID 7100047359
Global Product Hierarchy Abrasives > Abrasive Discs > Film Discs
Abrasive Material Aluminum Oxide
Application Finishing, Polishing
Backing Material Polyester Film
Backing Thickness (Imperial) 5.0 mil
Center Hole Diameter (Imperial) 0.0 NP
Center Hole Diameter (Metric) 0.0 NP
Color Family Green
Grit Non Pertinent
Product Color Green
Product Number 372L
Product Type simple
Quantity 0
Trademark 1 3M™
Country of Origin United States
Sales Unit EA
SAP Shelf Life In Days 1825
Base - Billing Unit EA
Base - Customary Width Dimension 12.0 INCH
Base - Metric Width Dimension 0.304 M
Base - Item Quantity 1
Base - Unit EA
Pallet - Previous Packaging Level Unit LOOS
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